Get cirrus in the fight against climate change

FEATHERY cirrus clouds are beautiful, but when it comes to climate change, they are the enemy. Found at high-altitude and made of small ice crystals, they trap heat - so more cirrus means a warmer world. Now it seems that, by destroying cirrus, we could reverse all the warming Earth has experienced so far.

In 2009, David Mitchell of the Desert Research Institute in Reno, Nevada, proposed a radical way to stop climate change: get rid of some cirrus. Now Trude Storelvmo of Yale University and colleagues have used a climate model to test the idea.

Storelvmo added powdered bismuth triiodide into the model's troposphere, the layer of the atmosphere in which these clouds form. Ice crystals grew around these particles and expanded, eventually falling out of the sky, reducing cirrus coverage. Without the particles, the ice crystals remained small and stayed up high for longer.

The technique, done on a global scale, created a powerful cooling effect, enough to counteract the 0.8 °C of warming caused by all the greenhouse gases released by humans (Geophysical Research Letters, DOI: 10.1002/grl.50122).

But too much bismuth triiodide made the ice crystals shrink, so cirrus clouds lasted longer. "If you get the concentrations wrong, you could get the opposite of what you want," says Storelvmo. And, like other schemes for geoengineering, side effects are likely - changes in the jet stream, say.

Different model assumptions give different "safe" amounts of bismuth triiodide, says Tim Lenton of the University of Exeter, UK. "Do we really know the system well enough to be confident of being in the safe zone?" he asks. "You wouldn't want to touch this until you knew."

Mitchell says seeding would take 140 tonnes of bismuth triiodide every year, which by itself would cost $19 million.

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PM Lee congratulates Workers' Party on by-election win, calls on people to come together as one

Singapore: Prime Minister Lee Hsien Loong has congratulated the Workers' Party and MP-elect Ms Lee Li Lian for winning the Punggol East by-election.

He said in a statement issued just after the by-election results were announced that he respects the choice of Punggol East voters.

"Now that the Punggol East by-election is over, we should re-focus on national issues" said Mr Lee in his media release.

He said Singapore has a heavy agenda coming up, such as The White Paper on Population that will soon be debated in Parliament, and Budget 2013 which is less than a month away.

"Let us come together as one people to do our best for Singapore" said PM Lee.

He said the PAP fielded a good candidate and Dr Koh Poh Koon had showed character and courage in contesting this election, and did the PAP proud.

Mr Lee noted that many voters were impressed by Dr Koh's sincerity and commitment. But unfortunately there were not enough of them for him to win, as he went on to thank all those who voted for Dr Koh and the PAP.

- CNA/sf

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Oppo BDP-105: Not your average Blu-ray player

The Oppo BDP-105 Blu-ray, SACD, and DVD-Audio player

(Credit:
Oppo)

Even by Oppo's high standards the BDP-105 is an extraordinary Blu-ray player. Sure, it's loaded with up-to-the-second features -- 4K upscaling, 2D-to-3D conversion, and a high-quality USB 2.0 digital-to-analog converter -- but what really makes the Oppo special is the sound. Pop the cover and look inside and you'll see why. Most of the 17-pound component's chassis space is devoted to the audio circuitry. That's nice, but the audio advantages will be completely irrelevant if you connect the BDP-105 to your receiver with a HDMI cable (the digital-to-analog conversion would then be handled in the receiver). The 105 was designed for buyers still using older $1,000 or $2,000 receivers from the days before HDMI connectivity, that would like to hear the Blu-rays' high-resolution DTS Master Audio or Dolby TrueHD soundtracks at their best. Since the audio won't be transmitted over the HDMI cable, you would run audio cables between the 105's seven- or five-channel analog outputs and the AV receiver's analog inputs.

The BDP-105 has 7.1/5.1 analog output jacks

(Credit:
Steve Guttenberg/CNET)

Or you could forgo the receiver entirely and hook up the BDP-105 directly to a five- or seven-channel power amplifier. That approach would produce better sound quality, but would lack the connectivity, flexibility, and convenience of today's better receivers. Still, the BDP-105/power amp combo would sound better and be more powerful than most top-of-the-line receivers. The 105's connectivity options won't match any decent receiver, but its connectivity suite is a lot more extensive than most Blu-ray players. The Oppo has two HDMI inputs, so you can connect external devices such as set-top boxes and network streaming devices, three USB 2.0 ports, coaxial and optical digital inputs for satellite boxes, televisions, video-game consoles, etc., and there's a built-in headphone amplifier. The BDP-105's extensive bass management options are on par with a lot of AV receivers. The player's digital volume control is easy to use.

For my listening tests, I hooked up the BDP-105 ($1,199) with an assortment of self-powered Audioengine and Emotiva monitor speakers, and a Hsu subwoofer. With this setup I didn't need to use an AV receiver or separate power amp, but the Raconteurs' "Live at Montreux" Blu-ray was vivid and very live sounding. The system's freewheeling dynamics were really impressive, and the surround mix on King Crimson's "Red" DVD-A projected a remarkably seamless wrap-around soundstage. Each instrument was precisely focused in a near 360-degree sound environment.

The BDP-105 has full speaker setup and bass management options, just like an AV receiver.

(Credit:
Steve Guttenberg/CNET)

Classical music on SACD was just as impressive, the front three speakers produced a three-dimensional soundstage with lots of depth, and string tone was top notch. Dramatic movies on Blu-ray and DVD sounded great. I plugged headphones into the BDP-105, but the sound wasn't special, Schiit Audio's $99 Magni headphone amp was a lot better.

The $499 Oppo BDP-103 shares most of the BDP-105's features, but lacks the upgraded digital-to-analog converters, so if you're planning on using HDMI to connect the player to your receiver, buy the 103, and save $700. You can use the 103's 7.1 analog outputs with an old high-end receiver lacking HDMI connectivity, but the 103's digital converters are a step down from the ones in the 105.

The BDP-105 is an update of the Oppo BDP-95, and the new one has lots of features the old player lacks, but the two players sound about the same. Oppo still has 95s in stock and sells them for $799.

Oppo sells direct and offers a 30-day money-back guarantee, and the return shipping is free.

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Pictures: The Story Behind Sun Dogs, Penitent Ice, and More

Photograph by Art Wolfe, Getty Images

If you want the beauty of winter without having to brave the bone-chilling temperatures blasting much of the United States this week, snuggle into a soft blanket, grab a warm beverage, and curl up with some of these natural frozen wonders.

Nieve penitente, or penitent snow, are collections of spires that resemble robed monks—or penitents. They are flattened columns of snow wider at the base than at the tip and can range in height from 3 to 20 feet (1 to 6 meters). The picture above shows the phenomenon in central Chile. (See pictures of the patterns in snow and ice.)

Nieve penitente tend to form in shallow valleys where the snow is deep and the sun doesn't shine at too steep an angle, said Kenneth Libbrecht, a physicist at the California Institute of Technology in Pasadena who studies ice crystal formation.

As the snow melts, dirt gets mixed in with the runoff and collects in little pools here and there, he said. Since the dirt is darker in color than the surrounding snow, the dirty areas melt faster "and you end up digging these pits," explained Libbrecht.

"They tend to form at high altitude," he said. But other than that, no one really knows the exact conditions that are needed to form penitent snow.

"They're fairly strong," Libbrecht said. "People have found [the spires] difficult to hike through."

—Jane J. Lee

Published January 25, 2013

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Dung beetles navigate using the Milky Way

Ever look up at the stars and wonder if some bug-eyed creature is doing the same? It turns out at least one does: the dung beetle uses the glow of the Milky Way to navigate.

Once a beetle (Scarabaeus satyrus) has constructed its dung ball, it moves off in a straight line in order to escape from rival beetles as quickly as possible, lest they try and steal its carefully crafted ball. This behaviour doesn't sound complicated, but several years ago, Marie Dacke of Lund University in Sweden and colleagues showed that polarised light from the moon is important for dung beetles to keep to a straight line.

Then the researchers were surprised to find the insects were able to stay on course even on a moonless night. "We thought there was something wrong in our set-up," Dacke says.

The team allowed the beetles to crawl around the floor of a plain-walled cylindrical drum with an open top, meaning they could only use the night sky to orientate themselves. The researchers timed how long it took the beetles to reach the edge of the drum from the centre, and found that under a full moon, the insects took around 20 seconds on average; on a starry but moonless night, they took around 40 seconds.

But when beetles had a cardboard cap placed on them to prevent them from seeing the sky, they needed over two minutes, suggesting the stars were playing a role.

Planetarium clincher

To test this, the team moved the experiment to a planetarium. By switching stars on and off, Dacke discovered that the glowing strip of the whole Milky Way was what guided the beetles' movement. "Before it was assumed insects could not use the stars because their eyes don't have the resolution to see them," she says. Navigating using the whole of the Milky Way does away with the need to see individual stars.

Dacke says the results suggest moths, locusts and other insects might navigate by the Milky Way, too. Her team is now looking at whether the beetles prefer to navigate by the moon or the Milky Way when both are on view.

Journal reference: Current Biology, doi.org/kbm

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Corporations bring a 'knife to a gun fight' amid cyberattacks

Corporations are increasingly under fire from the rapidly rising threat of distributed denial-of-service (DDoS) attacks, according to new research from security firm Radware.

The study notes that DDoS attacks on corporations rose 170 percent in 2012 over the previous year.

After analyzing data from a number of security breaches and responses from 179 participating firms, Radware said that many corporations can be compared to "someone who brings a knife to a gun fight." In other words, businesses are attempting to protect themselves from cyberattacks but often fail because they are unprepared.

A number of trends point toward a critical blind spot: few businesses have the resources or protection in place to withstand long-term, drawn-out cyberattacks, which is a key element that many hackers exploit.

Avi Chesla, chief technology officer at Radware, said the security firm has studied hundreds of DoS/DDoS attacks and found that "attacks lasting more than one week have doubled in frequency during 2012."

One of the top cyberattack trends documented in 2012 is the use of compromised servers to launch botnets in denial-of-service attacks. Being able to use different servers in various locations has lifted many limitations of the single-server campaign, and a huge amount of traffic can be directed to a site to overload and close it quickly. In addition, the use of multiple servers available 24/7 not only facilities the use of command-and-control centers but improves the reliability of such attacks. The security firm expects this method to grow in popularity over the next year.

In terms of damage, complexity and force, Radware said, 58 percent of server-based botnet DoS attacks in 2012 scored 7 out of 10 points for complexity, compared with 23 percent in 2011. Seventy percent achieved a complexity rating of 3 or higher, whereas 30 percent were given that score in 2011.

In addition, financial services and e-commerce sites that rely on HTTPS are a concern due to encrypted layer attacks. Hackers now often use encrypted layers to launch application-level and SSL attacks that can remain undetected until it's too late to rectify the problem.

Finally, Radware said, the spawning of "do it yourself" sites that assist anyone with minimal coding and hacking skills to take on a corporation is reaching the commodity level. These hacking-for-hire and free kits can result in someone paying little more than $10 for a ransomware attacking tool, which in turn means that hacking is no longer just for pros.

The security firm suggests that instead of administering a "pre and post" defensive stance in relation to cyberattacks, an "on demand" force should be employed to tackle the threat head-on once it appears. That is a better option than enduring long DoS/DDoS attacks that can cost a business both revenue and reputation. According to Radware, large corporations should have no fewer than nine security engineers available to defend systems and should invest in a dynamic "security war room" to keep threats at bay.

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Deformed Dolphin Accepted Into New Family

In 2011, behavioral ecologists Alexander Wilson and Jens Krause of the Leibniz-Institute of Freshwater Ecology and Inland Fisheries in Germany were surprised to discover that a group of sperm whales (Physeter macrocephalus)—animals not usually known for forging bonds with other species—had taken in an adult bottlenose dolphin (Tursiops truncatus).

The researchers observed the group in the ocean surrounding the Azores (map)—about 1,000 miles (1,600 kilometers) off the coast of Lisbon, Portugal—for eight days as the dolphin traveled, foraged, and played with both the adult whales and their calves. When the dolphin rubbed its body against the whales, they would sometimes return the gesture.

Among terrestrial animals, cross-species interactions are not uncommon. These mostly temporary alliances are forged for foraging benefits and protection against predators, said Wilson.

They could also be satisfying a desire for the company of other animals, added marine biologist John Francis, vice president for research, conservation, and exploration at the National Geographic Society (the Society owns National Geographic News).

Photographs of dogs nursing tiger cubs, stories of a signing gorilla adopting a pet cat, and videos of a leopard caring for a baby baboon have long circulated the Web and caught national attention.

A Rare Alliance

And although dolphins are known for being sociable animals, Wilson called the alliance between sperm whale and bottlenose dolphin rare, as it has never, to his knowledge, been witnessed before.

This association may have started with something called bow riding, a common behavior among dolphins during which they ride the pressure waves generated by the bow of a ship or, in this case, whales, suggested Francis.

"Hanging around slower creatures to catch a ride might have been the first advantage [of such behavior]," he said, adding that this may have also started out as simply a playful encounter.

Wilson suggested that the dolphin's peculiar spinal shape made it more likely to initiate an interaction with the large and slow-moving whales. "Perhaps it could not keep up with or was picked on by other members of its dolphin group," he said in an email.

Default

But the "million-dollar question," as Wilson puts it, is why the whales accepted the lone dolphin. Among several theories presented in an upcoming paper in Aquatic Mammals describing the scientists' observations, they propose that the dolphin may have been regarded as nonthreatening and that it was accepted by default because of the way adult sperm whales "babysit" their calves.

Sperm whales alternate their dives between group members, always leaving one adult near the surface to watch the juveniles. "What is likely is that the presence of the calves—which cannot dive very deep or for very long—allowed the dolphin to maintain contact with the group," Wilson said.

Wilson doesn't believe the dolphin approached the sperm whales for help in protecting itself from predators, since there aren't many dolphin predators in the waters surrounding the Azores.

But Francis was not so quick to discount the idea. "I don't buy that there is no predator in the lifelong experience of the whales and dolphins frequenting the Azores," he said.

He suggested that it could be just as possible that the sperm whales accepted the dolphin for added protection against their own predators, like the killer whale (Orcinus orca), while traveling. "They see killer whales off the Azores, and while they may not be around regularly, it does not take a lot of encounters to make [other] whales defensive," he said.

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Alleged Doctor Killer Had Anger Issues, Friend Says

Jason Smith, the Philadelphia exterminator who police say showed up at the home of Dr. Melissa Ketunuti this week to solve her rodent problem before strangling her, was a problem child as an adolescent, a family friend told ABC News.

The family friend from many years ago, who asked for anonymity, said Smith, 36, had behavior and anger issues, and that he also liked to set things on fire.

After Smith and Ketunuti got into "some kind of argument" in Ketunuti's basement, he struck her, strangled her and set her on fire, according to police.

Smith reportedly admitted to the brutal slaying after hours of police questioning Wednesday night.
Smith told police that Ketunuti had "belittled" him, sources told ABC News affiliate WPVI-TV in Philadelphia

He snapped and apparently tried to hide any evidence by setting the 35-year-old doctor on fire with paper he lit in the kitchen, the station reported.

Philadelphia Police Department/AP Photo

Pa. Doctor Killing: Person of Interest in Custody Watch Video

Philadelphia Doctor's Murder Leaves Police Baffled Watch Video

"People like Mr. Smith basically walk around with a huge chip on their shoulder, and they feel so inadequate and so insecure that any perceived belittlement of them will set them off," ABC News consultant and former FBI agent Brad Garrett said.

Capt. James Clark of the Philadelphia Police Department said Smith's mood and clarity varied during his alleged confession.

"At some points, he was solemn. At other points, it was like he was in a fog," Clark said at a news conference.

Smith has been charged with murder, arson, abuse of a corpse and risking a catastrophe.

Ori Feibush, who owns a coffee shop near Ketunuti's street, said he and police pored over hours of surveillance video until they saw Ketunuti walking home from doing errands, with Smith steps behind her.

"Forty-five minutes later, we see this same guy walking past, but [he] looks a little more disheveled and he's got gloves on," Feibush told ABC News.

Police say that after the slaying, Smith circled Ketunuti's block twice, before heading off to another job.

Ketunuti was a doctor at the Children's Hospital of Philadelphia and had lived alone in the Graduate Hospital neighborhood of the city for about three years. Her family released a statement saying they are "devastated by this senseless act of violence."

"Melissa's friends from childhood, college, residency and elsewhere remember her many kindnesses, even during long hours, as well as her zest for life: traveling, running and spending time with friends and family," the statement said. "Melissa was a source of joy to everyone in her life. Her passing has left an enormous gap in our lives."

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The real lesson from the bird flu storm

The controversy over whether work on airborne H5N1 bird flu can be published shows that transparency is vital to upholding public trust

So the research moratorium on H5N1 bird flu is over. In 2011 I was one of the first journalists to report the discovery that H5N1 bird flu, which is highly lethal in humans, can mutate to become readily transmissible not just in birds but also in mammals like us – while, apparently, remaining lethal.

What happened next shocked the researchers. Publication of the work was blocked, as US biosecurity experts insisted it would be crazy to tell would-be bioterrorists about this. The 39 labs around the world that do this research responded by declaring a moratorium on further work: there's little point doing research you can't publish.

A year later, the US will shortly launch a new review process to address this. This week, the labs said they would soon resume work on whether, and how, a virus now evolving across Eurasia might become an apocalyptic threat to humanity.

This resumption is good news – but there's a proviso. Hypothetical bioterrorists aside, the real worry for many critics is the danger posed by research itself. We don't want labs to inadvertently release the virus we fear.

That doesn't just require stringent containment and more bureaucracy – it means doing experiments only when benefits really outweigh risks. If, as seems likely, all parties involved cannot agree on that, then the whole process should at least be as transparent as possible. Top research officials in the US have been saying this, and that too is good.

Alarming spin

But are researchers as committed to transparency? The H5N1 kerfuffle has been notable for an alarming amount of spin. Details of the findings have been reinterpreted as pressures have mounted. The experience may have left some researchers even less likely to tell us what they're doing.

The story emerged at a flu meeting in Malta in September 2011. Ron Fouchier of the Erasmus Medical Center in Rotterdam reported that he had made H5N1 able to spread between ferrets via airborne droplets, by simply passing it repeatedly between the animals.

This was the $64,000 question in flu research. At present, H5N1 cannot become a human pandemic as it does not spread this way in mammals. But can it evolve this ability? Some virologists said no. Others said it might, but the mutant would not be as lethal.

No such luck. "All the ferrets died," Fouchier told me. "We have to do more to control H5N1." He was clearly upset at the prospect of such a virus evolving naturally; so were other flu researchers at the meeting. I reported it

Fouchier had left out a lot of detail as the research had been submitted to the journal Science, which doesn't allow authors to say much before publication. When he said the ferrets all died, I thought he was referring to the ones that inhaled the virus. In fact those ferrets lived; the ones that died had had that same virus put into their windpipe.

We would have corrected the article had the researchers complained. Maybe it seemed a minor point: the team had also reported that putting a flu virus in a ferret's windpipe was the best test of its danger to humans. The transmissible virus killed in a way that might be relevant to people – that's what mattered. The detail wouldn't have changed our conclusion.

Dangerous or not?

But then the dispute over whether the work could be published blew up, and The New York Times charged that this research was just too dangerous.

In February last year, the researchers' story had changed dramatically. The press had blown things out of proportion. The mutant virus wasn't dangerous. None of the ferrets that inhaled it died, you had to practically shove it into their lungs to kill them. Anyway, animal work doesn't show what will happen in people.

Efforts to portray the transmissible virus as harmless were almost comical. One researcher told me the mutant H5N1 was no biggie – even the 2009 pandemic flu kills in ferrets' tracheas. Ah, but only one in three – the H5N1 killed them all, so not quite the same.

When the research was finally published, none of the spin seemed very relevant. The message of Malta remained: H5N1 became airborne in mammals, and could still kill. That's enough. Yes, this is animal work: if a virus that kills in a ferret's throat, but not in its nose, emerges in nature, we may get lucky. Or maybe we'd best not inhale.

Full transparency

Some defensiveness is understandable if scientists fear work they rightly consider vitally important may be banned. Yet full transparency is the answer. I fear that lesson has not sunk in. After the papers were published, one of the researchers insisted to me that there was no reason why he should ever talk to a journalist; this week that person begged journalists to tell the public the researchers' side of the story, so they wouldn't get this kind of opposition.

That's not how it's done. Transparency is an important safeguard against some who may take excessive risks (it happens) as well as showing the good that scientists do. It must serve both these functions, or no one will believe the good news.

I gave a talk in Malta too, about public communication. I told a roomful of flu researchers the old risk-management saying: strive to be, not trusted, but accountable. I got a lot of blank, angry stares.

This problem won't go away until that gets rueful, knowing nods. It isn't happening yet.

Debora MacKenzie is a consultant for New Scientist based in Brussels

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

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Keppel Corp's net profit falls 22% on-year in Q4

SINGAPORE: Falling margins from building oil rigs has hit the bottomline of Keppel Corp.

Net profit for the world's leading rig builder fell 22 per cent on-year to S$305 million in the fourth quarter last year.

Still, full year profit for the conglomerate came in 15 per cent to S$2.24 billion.

Despite lower net profit in the three months ended Dec 31, Keppel Corp still declared a final dividend of 27 cents per share.

As part of its 45th anniversary, Keppel Corp is handing out more goodies to its shareholders.

The company has proposed to distribute one Keppel REIT unit for every five Keppel Corp shares.

That is about 27.4 cents per share based on Keppel REIT's closing price of S$1.37 on Thursday.

Together with the interim dividend of 18 cents, total distribution for 2012 will be 72.4 cents per share.

Keppel Corp said the lower net profit was partly due to lower contributions from its offshore and marine unit.

Offshore and Marine's contribution was 12 per cent lower from a higher base in 2011 when margins were at record highs. It contributes to half of Keppel Corp's net profits.

"Keen rivalry from Chinese and Korean yards have suppressed prices and squeezed margins on newbuilds," said Choo Chiau Beng, chief executive officer at Keppel Corp. "In 2013, we will be completing a record of 22 newbuild units."

Analysts remained upbeat of Keppel's prospects going forward.

They say their financial results still outperformed market expectations.

Keppel Corp expects crude oil prices to stay above US$100 per barrel, supporting the need for more global exploration and production.

But global challenges like the slower US economy and the eurozone crisis from last year will continue to pose uncertainties for Keppel Corp's business.

Keppel Corp's property arm, led by the listed Keppel Land, boosted the group's earnings.

Net profit for the property division was 2.5 times higher than in 2011, offsetting the lower earnings from business in the offshore and marine, and infrastructure.

But Keppel Corp does not expect its property arm to perform better this year.

This is because recognition from sales of completed units at its development Reflections at Keppel Bay is expected to be lower this financial year.

- CNA/xq

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Temple Run 2 swings onto Android devices

Temple Run 2 for Android.

(Credit:
Screenshot by Lance Whitney/CNET)

Android users can now try to escape giant apes, swing on ropes, and jump over chasms, all courtesy of Temple Run 2.

The fast-paced action game debuted on Google Play today, where
Android device owners can download it for free. Temple Run 2 has already proven a hit among iPhone and iPad users by racking up 20 milllion downloads from Apple's App Store in its first four days.

The new game places you in a jungle environment just like the original but throws in a variety of new twists and turns and better graphics.

This time you start off trying to escape a large ape as you swing across a rope. From there, you have to navigate your way through the jungle paths. You struggle to keep your character alive by jumping over huge gaps in the path, ducking under low bridges, and figuring out when to turn left or right.

Along the way, you score points by picking up gold coins.

But the action itself is fast and furious. Fail to react quickly enough, and your character meets his demise either by crashing, falling, or getting caught by the giant ape.

The basic game is free, but in-app purchases allow you to buy coins to enhance your character's skills or play as a different character.

I took Temple Run 2 for a ride on my Nexus
tablet, and it's definitely addictive. Even when your character gets killed, and you have to start over, the scenario changes to keep the game fresh. Now the challenge is to get far enough along to face even more dangers on my quest to complete the game.

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Deformed Dolphin Accepted Into New Family

In 2011, behavioral ecologists Alexander Wilson and Jens Krause of the Leibniz-Institute of Freshwater Ecology and Inland Fisheries in Germany were surprised to discover that a group of sperm whales (Physeter macrocephalus)—animals not usually known for forging bonds with other species—had taken in an adult bottlenose dolphin (Tursiops truncatus).

The researchers observed the group in the ocean surrounding the Azores (map)—about 1,000 miles (1,600 kilometers) off the coast of Lisbon, Portugal—for eight days as the dolphin traveled, foraged, and played with both the adult whales and their calves. When the dolphin rubbed its body against the whales, they would sometimes return the gesture.

Among terrestrial animals, cross-species interactions are not uncommon. These mostly temporary alliances are forged for foraging benefits and protection against predators, said Wilson.

They could also be satisfying a desire for the company of other animals, added marine biologist John Francis, vice president for research, conservation, and exploration at the National Geographic Society (the Society owns National Geographic news).

Photographs of dogs nursing tiger cubs, stories of a signing gorilla adopting a pet cat, and videos of a leopard caring for a baby baboon have long circulated the web and caught national attention.

A Rare Alliance

And although dolphins are known for being sociable animals, Wilson called the alliance between sperm whale and bottlenose dolphin rare, as it has never, to his knowledge, been witnessed before.

This association may have started with something called bow riding, a common behavior among dolphins during which they ride the pressure waves generated by the bow of a ship or, in this case, whales, suggested Francis.

"Hanging around slower creatures to catch a ride might have been the first advantage [of such behavior]," he said, adding that this may have also started out as simply a playful encounter.

Wilson suggested that the dolphin's peculiar spinal shape made it more likely to initiate an interaction with the large and slow-moving whales. "Perhaps it could not keep up with or was picked on by other members of its dolphin group," he said in an email.

Default

But the "million-dollar question," as Wilson puts it, is why the whales accepted the lone dolphin. Among several theories presented in an upcoming paper in Aquatic Mammals describing the scientists' observations, they propose that the dolphin may have been regarded as nonthreatening and that it was accepted by default because of the way adult sperm whales "babysit" their calves.

Sperm whales alternate their dives between group members, always leaving one adult near the surface to watch the juveniles. "What is likely is that the presence of the calves—which cannot dive very deep or for very long—allowed the dolphin to maintain contact with the group," Wilson said.

Wilson doesn't believe the dolphin approached the sperm whales for help in protecting itself from predators, since there aren't many dolphin predators in the waters surrounding the Azores.

But Francis was not so quick to discount the idea. "I don't buy that there is no predator in the lifelong experience of the whales and dolphins frequenting the Azores," he said.

He suggested that it could be just as possible that the sperm whales accepted the dolphin for added protection against their own predators, like the killer whale (Orcinus orca), while traveling. "They see killer whales off the Azores, and while they may not be around regularly, it does not take a lot of encounters to make [other] whales defensive," he said.

Read More..

N. Korea Vows More Nuke Tests Targeting U.S.

In a bellicose statement singling out the United States as the "sworn enemy" of the Korean people, North Korea today announced plans for a third nuclear test and continued rocket launches.

The move is seen as a disappointment to those who hoped the country's new leader, Kim Jong-Un, might take a less aggressive path than his predecessor and father, Kim Jong-il.

It is also seen as a direct challenge to President Obama and South Korea's newly elected president, Park Geun-hye, who takes office next month.

The statement from North Korea's National Defense Commission read:

"Settling accounts with the U.S. needs to be done with force, not with words as it regards jungle law as the rule of its survival."

North Korea Launches Missile After 4 Failed Attempts Watch Video

The renewed threats come in response to the U.S. backed resolution tightening sanctions against North Korea after its December rocket launch.

At that time, North Korea repeatedly insisted that the launch was simply part of its peaceful space program. The recent statement made no mention of that.

It read: "We are not disguising the fact that the various satellites and long-range rockets that we will fire and the high-level nuclear test we will carry out are targeted at the United States."

South Korean officials analyzed debris from the December launch that, they say, indicates North Korea built and tested crucial components for a missile that can fly further than 6,200 miles.

Analysts say that preparations at the Pungyee test site in northeastern North Korea are underway and that a new underground test could take place on short notice.

Within the international monitoring community it is not believed that North Korea currently has the capability to launch a long-range rocket with the capacity to reach the United States or the technology to mount a nuclear warhead on a long-range missile. But the U.S. is not pleased with North Korea's plans. Glyn Davies, the top U.S. envoy to the region, said in Seoul, "We hope they don't do it. We call on them not to do it."

China, North Korea's main ally in the region, is also urging restraint. China backed the U.S. resolution at the United Nations and today the Foreign Ministry cautioned North Korea not to take further steps to increase tension.

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Can we really 'cure' autism?

Some claim that new research shows people can grow out of autism, but it is more likely that they simply cope better with the condition over time

The New York Times has pointed to an intriguing study ostensibly showing that some small percentage of people with autism can "outgrow" their symptoms. The story was oddly unsatisfying, claiming in one paragraph that the study, published in The Journal of Child Psychology and Psychiatry, will alter the way parents "think and talk about autism" but also cautioning against false hope.

The writer seems only dimly aware how this half-hearted message will set off a bomb in the world where Jenny McCarthy lives – that she will turn on that wicked grin and brandish this study to launch another 40 years of vicious debate over whether autism is caused by environmental factors, namely vaccines, and thus can be cured by brave and dedicated parents like her, or whether it's just a condition people are born with.

Thankfully, science writer Emily Willingham has parsed through the study in Forbes to show us what it really finds, which is not much that's new and certainly nothing that will change our thinking about the progress of autism or make us believe in the McCarthy miracle cure. As Willingham points out, the people who seem to have "grown out" of their autism had higher cognitive functioning and milder symptoms in the first place, and "many of them had behavioral interventions in childhood".

One measure the researchers used to evaluate progress was "typically developing friends", which people with autism sometimes have anyway. Seven of the 34 had some impairment in "non verbal social interactions" which the researchers decided, somewhat arbitrarily, was due to other factors such as anxiety or depression.

Anyone who has read a single memoir by someone with Asperger's or known someone well with the condition can intuit what's going on. At the moment, I happen to be reading Look Me in the Eye: My life with Asperger's by John Elder Robison. Over the course of his life, Robison learns to compensate for his social limitations. As a child he teaches himself to say appropriate things to children and not just foist on them his own obsessive interests. As an adult he learns that blurting out the truth – "you look fatter" – is not always the right thing to do.

Working around autism

He doesn't "outgrow" his autism, he just learns to work around it. Even later in his life he writes that he wishes his disability were more obvious; when we see someone in a wheelchair we know they can't walk, so we help them across the street. There is no way to "see" Asperger's so people just assume he's a jerk.

Willingham makes the comparison to diabetes, which I have. I have learned how to control my blood sugar pretty well, but I still have diabetes. Autism for high-functioning kids works something like that, even more so these days.

When Robison was a kid, no one understood him at all. They just thought he was odd and would grow up to be a failure. But now there is a well-developed understanding of Asperger's and its symptoms, and many behavioural therapies that can help people, especially if they are smart enough to absorb them. So it stands to reason that as time goes on, more people with Asperger's or autism will look, to all the world, as if they are "cured" without actually being so.

This article originally appeared in Slate. Hanna Rosin is the author of The End of Men and a co-founder of Slate's Double X

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Japan presses Algeria for answers as toll hits nine

ALGIERS: A senior Japanese official met Algeria's prime minister on Wednesday to press for an explanation of the gas plant siege, as Tokyo confirmed the deaths of two more nationals, taking its toll to nine.

Senior Vice Foreign Minister Shunichi Suzuki arrived aboard a government jet that is to repatriate the bodies of those known to have been killed in the hostage crisis, along with the seven Japanese who survived.

Tokyo announced late Wednesday that it knew for sure that nine Japanese were killed after Islamist gunmen overran the desert facility. One Japanese citizen remains unaccounted for.

"Unfortunately, we have been able to confirm two more deaths," said Chief Cabinet Secretary Yoshihide Suga. "The Japanese government expresses sincere condolences to the families and people concerned."

"The use of violence cannot be tolerated for any reason. We firmly condemn acts of terror," he said adding the government would do its utmost to confirm the fate of the final missing person.

Seventeen Japanese were at the facility in In Amenas when jihadists struck last Wednesday at the start of a four-day siege that left dozens of foreigners dead. Seven of them made it to safety.

Suzuki carried a letter to Algerian President Abdelaziz Bouteflika from Japan's Prime Minister Shinzo Abe, Suga told reporters in Tokyo earlier.

As well as Prime Minister Abdelmalek Saleki, Suzuki also met Foreign Minister Mourad Medelci, Japan's Kyodo News reported, citing Tokyo's foreign ministry.

Japan has asked Algeria to fully investigate events at the gas plant and exactly how individuals died, Suga said in Tokyo.

"Algeria has promised to cooperate as much as possible," he said.

Algeria has said 37 foreigners of eight different nationalities and an Algerian were killed in the siege, which ended on Saturday.

Several people are still missing and the bodies of others are so badly charred that they have not been identified.

Wednesday's visit came as it emerged that Britain, Japan, the United States and other countries whose nationals were caught up in the events at the In Amenas plant issued a joint demarche to Algeria last Friday.

A demarche is a formal diplomatic move in which a country's stance is conveyed in person -- rather than by note -- to another government.

In a conference telephone call, vice foreign minister Minoru Kiuchi told foreign minister Medelci that Tokyo wanted Algiers to do all it could to protect captives.

"Japan is strongly concerned about acts that put the lives of the hostages at risk, and it is regrettable that the Algerian government pressed military rescue operations," he said, according to the foreign ministry.

Japan was among the more forthright of nations as the hostage crisis unfolded, summoning Algiers' ambassador to demand answers and to push for military restraint as armed forces surrounded the plant.

The Japanese plane's arrival in Algiers came as Tokyo announced it was shutting its embassy in neighbouring Mali, evacuating staff and urging its nationals there to leave because of the deteriorating security situation.

The kidnappers claimed they launched their attack in protest at Algeria's complicity in a French military campaign against Islamists in Mali.

The Japanese death toll in Algeria -- the highest in a terror attack since Al-Qaeda crashed airliners into New York's Twin Towers when 24 Japanese died -- has shaken a country not accustomed to its citizens being made targets abroad.

There has been blanket media coverage of events half a world away and anguished demands for more to be done to protect Japanese working in trouble spots, including beefing up spy networks.

Kyodo on Wednesday said Suga indicated Tokyo's willingness to consider increasing the number of defence attaches at Japanese embassies to strengthen the country's ability to gather information.

"I am aware of the need. We need to think about the most effective (crisis-response) measures," Suga said.

-AFP/ac

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Nook Media finalizes $89.5 million Pearson investment

The Nook Simple Touch with GlowLight.

(Credit:
Sarah Tew/CNET)

Nook Media, the Barnes & Noble subsidiary that covers the bookseller's Nook line and accessories, has completed its investment deal with Pearson.

Barnes & Noble announced the deal last month. Pearson will invest $89.5 million into Nook Media and will receive a 5 percent stake in return. Pearson will have the option to acquire another 5 percent of Nook Media if certain unidentified conditions are met.

Pearson is now partners with Barnes & Noble and Microsoft. In April, Microsoft and Barnes & Noble announced a joint partnership that would see the software giant invest $300 million in the Nook unit. Following the Pearson transaction, Microsoft owns 16.8 percent of Nook Media. Barnes & Noble holds 78.2 percent ownership.

With Pearson now a partner, Nook Media says that it'll be able to improve "discovery of available digital content and services."

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The Promise and Perils of Mining Asteroids

Encouraged by new space technologies, a growing fleet of commercial rockets and the vast potential to generate riches, a group of entrepreneurs announced Tuesday that they planned to mine the thousands of near-Earth asteroids in the coming decades.

The new company, Deep Space Industries (DSI), is not the first in the field, nor is it the most well-financed. But with their ambition to become the first asteroid prospectors, and ultimately miners and manufacturers, they are aggressively going after what Mark Sonter, a member of DSI's board of directors, called "the main resource opportunity of the 21st century." (Related: "Asteroid Hunter to Be First Private Deep-Space Mission?")

Prospecting using miniaturized "cubesat" probes the size of a laptop will begin by 2015, company executives announced. They plan to return collections of asteroid samples to Earth not long after.

"Using low cost technologies, and combining the legacy of [the United States'] space program with the innovation of today's young high tech geniuses, we will do things that would have been impossible just a few years ago," said Rick Tumlinson, company chairman and a longtime visionary and organizer in the world of commercial space [not sure what commercial space means].

"We sit in a sea of resources so infinite they're impossible to describe," Tumlinson said.

Added Value

There are some 9,000 asteroids described as "near-Earth," and they contain several classes of resources that entrepreneurs are now eyeing as economically valuable.

Elements such as gold and platinum can be found on some asteroids. But water, silicon, nickel, and iron are the elements expected to become central to a space "economy" should it ever develop.

Water can be "mined" for its hydrogen (a fuel) and oxygen (needed for humans in space), while silicon can be used for solar power systems, and the ubiquitous nickel and iron for potential space manufacturing. (See an interactive on asteroid mining.)

Sonter, an Australian mining consultant and asteroid specialist, said that 700 to 800 near-Earth asteroids are easier to reach and land on than the moon.

DSI's prospecting spacecraft will be called "FireFlies," a reference to the popular science fiction television series of the same name. The FireFlies will hitchhike on rockets carrying up communication satellites or scientific instruments, but they will be designed so that they also have their own propulsion systems. The larger mining spacecraft to follow have been named "DragonFlies."

Efficiencies

It all sounds like science fiction, but CEO David Gump said that the technology is evolving so quickly that a space economy can soon become a reality. Providing resources from beyond Earth to power spacecraft and keep space travelers alive is the logical way to go.

That's because the most expensive and resource-intensive aspect of space travel is pushing through the Earth's atmosphere. Some 90 percent of the weight lifted by a rocket sending a capsule to Mars is fuel. Speaking during a press conference at the Santa Monica Museum of Flying in California, Gump said that Mars exploration would be much cheaper, and more efficient, if some of the fuel could be picked up en route. (Related: "7 Ways You Could Blast Off by 2023.")

Although there is little competition in the asteroid mining field so far, DSI has some large hurdles ahead of it. The first company to announce plans for asteroid mining was Planetary Resources, Inc. in spring 2012—the group is backed by big-name investors such as Google's Larry Page and Eric Schmidt, filmmaker James Cameron, and early Google investor Ram Shriram. DSI is still looking for funding.

Owning Asteroids

While these potential space entrepreneurs are confident they can physically lay claim to resources beyond Earth, there remain untested legal issues.

The United Nations Space Treaty of 1967 expressly forbids ownership of other celestial bodies by governments on Earth. But American administrations have long argued that the same is not true of private companies and potential mining rights.

While an American court has ruled that an individual cannot own an asteroid—as in the case of Gregory Nemitz, who laid claim to 433 Eros as a NASA spacecraft was approaching it in 2001—the question of extraction rights has not been tested.

Moon rocks brought back to Earth during the Apollo program are considered to belong to the United States, and the Russian space agency has sold some moon samples it has returned to Earth-sales seen by some as setting a precedent.

Despite the potential for future legal issues, DSI's Gump said his group recently met with top NASA officials to discuss issues regarding technology and capital, and came away optimistic. "There's a great hunger for the idea of getting space missions done with smaller, cheaper 'cubesat' technology and for increased private sector involvement."

Everyone involved acknowledged the vast challenges and risks ahead, but they see an equally vast potential—both financial and societal.

"Over the decades, we believe these efforts will help expand the civilization of Earth into the cosmos, and change what it means to be a citizen of this planet," Tumlinson said.

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Te'o Tells Couric He Briefly Lied About Girlfriend

Manti Te'o briefly lied to the media and the public after discovering his online girlfriend did not exist and was a part of an elaborate hoax, he admitted in an exclusive interview with ABC News' Katie Couric.

The star Notre Dame linebacker, who has been hounded by the reporters since the story broke Jan. 16, told Couric in a taped interview Tuesday that he was not lying up until December. Te'o said he was duped into believing his online girlfriend, Lennay Kekua, died of cancer.

"You stuck to the script. And you knew that something was amiss, Manti," Couric said.

Te'o found out that Kekua was a hoax on Dec. 6, but on Dec. 8 he again publicly mentioned his girlfriend. The remark came as Te'o was a finalist for the Heisman Trophy, the award for the best college football player in the country. Te'o was eventually a runner-up for the trophy.

"Katie, put yourself in my situation. I, my whole world told me that she died on Sept. 12. Everybody knew that. This girl, who I committed myself to, died on Sept. 12," Te'o said.

"Now I get a phone call on Dec. 6, saying that she's alive and then I'm going be put on national TV two days later. And to ask me about the same question. You know, what would you do?" Te'o said.

Man Allegedly Behind the Manti Te?o Dead Girlfriend Hoax Watch Video

See more exclusive previews tonight on "World News With Diane Sawyer" and "Nightline." Watch Katie Couric's interview with Manti Te'o and his parents Thursday. Check your local listings or click here for online station finder.

Te'o, 21, was joined by his parents, Brian and Ottilia, in the interview.

"Now many people writing about this are calling your son a liar. They are saying he manipulated the truth, really for personal gain," Couric said to Te'o's father.

"People can speculate about what they think he is. I've known him 21 years of his life. And he's not a liar. He's a kid," Brian Te'o said with tears in his eyes.

Click here for a who's who in the Manti Te'o case.

Diane O'Meara told NBC's "Today" show Tuesday that she was used as the "face" of the Twitter account of Manti Te'o's online girlfriend without her knowledge or consent.

O'Meara said that Ronaiah Tuiasosopo used pictures of her without her knowledge in creating Kekua.

"I've never met Manti Te'o in my entire life. I've never spoke with him. I've never exchanged words with him," O'Meara said Tuesday.

The 23-year-old marketing executive went to high school in California with Tuiasosopo, but she says they're not close. Tuiasosopo called to apologize the day Deadspin.com broke the hoax story, she said.

Timeline of Manti Te'o girlfriend hoax story

In an interview with ESPN last week, Te'o said he had received a Twitter message from Tuiasosopo apologizing for the hoax.

The Hawaiian also spoke to Tuiasosopo on the phone the day the Deadspin report came out, according to ESPN.com. He found out that "two guys and a girl are responsible for the whole thing," he said.

But he did not know the identities of the other individuals involved, other than the man he says was Tuiasosopo.

Tuiasosopo, a 22-year-old resident of California, has not admitted involvement publicly. Tuiasosopo graduated from Paraclete High School in Lancaster, Calif., in 2007 and has posted dozens of videos online signing Christian songs.

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Threatwatch: The greatest risks to world stability

Threatwatch is your early warning system for global dangers, from nuclear peril to deadly viral outbreaks. Debora MacKenzie highlights the threats to civilisation – and suggests solutions

This week, some 3000 people, including the world's top corporate and political movers and shakers, are gathering in the Swiss ski resort of Davos for the 43rd annual World Economic Forum (WEF). They will be told that of all the threats the world faces, the most likely one to hit us is the growing income gap between the poor majority and the rich few – namely, themselves.

They will also hear that we need to address this and other deeply interconnected risks such as financial collapse, greenhouse gases, food and water shortages, bigger and ageing populations, spiking food and oil prices and extreme weather. Welcome to the world's most glittering exercise in global threatwatching.

Although Davos will host nearly 50 heads of government, most delegates are corporate bosses, paying upwards – some well upwards – of $20,000 a head to be there. Participants admit that they don't shell out to "improve the state of the world", the WEF's official aim. Davos is an unrivalled chance to network, do business – and party. Rock star Bono, a regular, dubbed it "fat cats in the snow".

Ranks of experts

Yet the packed schedule of daytime discussions features top names from science, including Daniel Kahneman, Tim Hunt and Eric Kandel, and technology, including Tim Berners-Lee. And as a basis for discussion, everyone gets a detailed assessment of the problems facing the globalised world. In this year's Global Risk Report, "over 1000 experts from industry, government, academia and civil society" rank 50 risks according to how likely they are to strike in the next 10 years, and their potential impact.

Many risks highlighted this year are familiar to New Scientist readers: bacteria resistant to antibiotics, economic and environmental stress, cybersecurity, weapons proliferation, failure to adapt to climate change.

When the experts pooled their views, the growing global wealth gap won "most likely", followed by rising greenhouse gases and ageing populations. Systemic financial failure won "greatest impact", followed by food shortage and weapons of mass destruction. Water shortages and government budget imbalances made the top five in both categories.

The team of risk experts also plans that by next summer, they will have worked out each country's "resilience", or adaptability, to combined threats. A preliminary effort in the current report finds that rich countries, perhaps unsurprisingly, are more resilient than poor ones.

Snapshot of risk

This is not a scientific attempt to quantify risks, but a snapshot of what people think the risks are, says Axel Lehmann, chief risk officer for the Zurich Insurance Group, one organiser of the study. "It isn't a forecast," he says, "more a platform for discussion" among groups who rarely discuss risk with each other. Airing such issues at Davos can lead to action; in 2002, it helped globalise the battle against disease.

But the report may be giving too much weight to opinion surveys, especially as the fragility of modern, rich societies is not widely appreciated. "Perceptions really don't get you that far in understanding 'real' risks," says Victor Galaz of the Stockholm Resilience Centre. "Really big shocks tend to be surprises." Meanwhile, it is hard to come by data that can accurately quantify resilience.

Problem of perception

On the other hand, he says, the WEF report should raise awareness of interconnected risks. Lehmann agrees. Perceptions are what people act on, he says – and these perceived risks are from a peer group business leaders might trust. Yet perceptions might derive more from headlines than reality: the Arab Spring may have boosted concern about the destabilising potential of wealth disparities.

Moreover, there is a deep contradiction between interconnected risks and the whole idea of Davos. Traditionally, companies and governments are hierarchical. In such systems, leaders can get their heads around individual problems and address them.

Once things get too complex and interconnected, says Yaneer Bar-Yam, head of the New England Complex Systems Institute in Cambridge, Massachusetts, a boss cannot do that, and hierarchies don't work. They must give way to decentralised networks of control.

Creators of woe

So if the interconnected, globalised world is too complex to be managed hierarchically, the global bosses gathered in Davos to consider all these risks may be unable to do much about them. That's despite the fact that many of the gathered glitterati helped create the wealth disparities, greenhouse gases, unstable financial networks and other bugbears they are being warned about.

Even if a network is what is needed to control things, Davos's pre-eminence in networking isn't necessarily enough. The question, notes Bar-Yam, is whether the Davos elite constitute the network the world's problems need.

But if nothing else, so many wealthy people should have an obvious solution to inequality: giving their own money away. Yet that, warns Lehmann, does not work as well as investing in technologies that enable the poor to prosper.

Still, the fat cats of Davos control many purse strings. If the Global Risk Report serves as a reminder that loosening them to mitigate global risks might constitute enlightened self-interest, it can hardly hurt.

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SGX's Q2 net profit rises 17% to S$76m

SINGAPORE : Rising interest in derivatives trading helped lift earnings for the Singapore Exchange (SGX) last quarter.

Asia's second-largest bourse operator reported a 17 per cent on-year rise in second-quarter net profit to S$76 million.

It also attracted a large number of new bond listings in the same quarter.

Derivatives trading has been the star performer in SGX.

Over the October to December quarter, derivatives daily average volume on SGX hit a record of 358,532 contracts, up 30 per cent on-year.

This was supported by rising trading interests in China A50 futures and Japan Nikkei 225 options.

Not to be undone, the securities market performed well too.

Its daily average volume rose 8 per cent for the quarter to hit a trading value of S$1.2 billion.

This translates to a revenue of S$58 million for the securities business segment.

SGX said the better performance was due to improvements in investor sentiment following stability over the Europe debt situation and improved US economy.

Magnus Bocker, chief executive officer of Singapore Exchange, said: "We should remember the enormous amount of liquidity in the market. Not so much in the equity market, but actually more in the fixed income and currency markets, and with chasing yields and lot of very successful and growing companies, I think we can all expect this sentiment to continue. I think we can expect more flows into securities."

Some analysts are bullish on SGX's prospects going forward.

The said the improved investment climate globally may benefit the exchange operator.

Ken Ang, investment analyst at Phillip Securities Research, said: "SGX is very well placed to benefit from this increasing attractiveness of the equity market and therefore resulting in increase in trading value."

SGX attracted eight new listings in its second quarter - raising S$798.9 million.

While the number seems small, it came amid declines in the global initial public offering (IPO) market.

In 2012, global IPO volumes fell 27 per cent, with the lowest level of funds raised since 2009.

Kenneth Ng, head of Singapore research at CIMB Research, said: "I think while that (derivative) is great and that diversified the revenue of SGX, SGX still has a rather pertinent problem of trying to increase the security turnover velocity and value by retail initiatives, attracting listings and so forth."

Apart from seeking more IPOs, SGX also attracted some 90 new bond listings, raising S$39.7 billion for the quarter.

- CNA/ms

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iPhone to shed market share this quarter, says analyst

Apple's iPhone 5

(Credit:
CNET)

The iPhone may be in store for a tough quarter, according to one analyst.

Apple will give up some of its smartphone market share this quarter, "raising concern about the on-going dominance of the iPhone," Citi analyst Glen Yeung said in an investors note out today. He cited strong demand for Samsung devices as the reason.

Recent reports say that Apple slashed iPhone 5 component orders for the current quarter, triggering concerns that demand for the flagship phone has diminished. Several analysts believe such concerns are overblown, instead attributing the cuts to improved manufacturing yields for the latest iPhone.

But Yeung thinks the cuts may be due to rougher competition.

"Our checks mid-December revealed initial signs of order cuts from Apple, now evident across a larger array of suppliers," the analyst said. "We acknowledge the true nature of these cuts is as yet inconclusive, but we suspect they reflect growing demand for competitive offerings (e.g. Samsung), particularly outside the U.S."

Assuming the cuts signal the likely number of shipments, Yeung sees iPhone units sales of 35 million this quarter. That's below Wall Street's consensus of around 42 million.

Will Apple bounce back in the June quarter if it releases an iPhone 5S? Yeung doesn't see that in his crystal ball.

"Based on our understanding of the iPhone5S (same form factor), we do not view the forthcoming launch (scheduled for C2Q13) as a catalyst for market share regain," the analyst said.

Regardless, Apple's December quarter should prove fruitful. Tomorrow, the company will reveal results for the final quarter of 2012. Yeung thinks iPhone sales could reach or even beat Wall Street's forecast of 45 million to 50 million, thanks largely to manufacturing improvements from October to December.

Meanwhile, the
iPad is a mixed bag, according to the analyst.

iPad Mini sales have been strong. Though limited by supply, manufacturing builds of the small
tablet are expected to rise between 20 percent and 40 percent in the next quarter.

However, demand for the Mini's larger cousin has weakened. Sales of the 9.7-inch tablet are forecast at 13 million for the current quarter. But Yeung's supply chain checks say production will drop by 30 percent to 40 percent next quarter.

Looking at the year ahead, Citi expects Apple to unveil the iPhone 5S in June, followed by a Retina Display
iPad Mini, an iPad 5, and a low-end iPhone in September.

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Group Finds More Fake Ingredients in Popular Foods

It's what we expect as shoppers—what's in the food will be displayed on the label.

But a new scientific examination by the non-profit food fraud detectives the U.S. Pharmacopeial Convention (USP), discovered rising numbers of fake ingredients in products from olive oil to spices to fruit juice.

"Food products are not always what they purport to be," Markus Lipp, senior director for Food Standards for the independent lab in Maryland, told ABC News.

In a new database to be released Wednesday, and obtained exclusively by ABC News today, USP warns consumers, the FDA and manufacturers that the amount of food fraud they found is up by 60 percent this year.

USP, a scientific nonprofit that according to their website "sets standards for the identity, strength, quality, and purity of medicines, food ingredients, and dietary supplements manufactured, distributed and consumed worldwide" first released the Food Fraud Database in April 2012.

The organization examined more than 1,300 published studies and media reports from 1980-2010. The update to the database includes nearly 800 new records, nearly all published in 2011 and 2012.

Among the most popular targets for unscrupulous food suppliers? Pomegranate juice, which is often diluted with grape or pear juice.

"Pomegranate juice is a high-value ingredient and a high-priced ingredient, and adulteration appears to be widespread," Lipp said. "It can be adulterated with other food juices…additional sugar, or just water and sugar."

Woman's Legs and Fingers Amputated After Dog Bite Watch Video

Hope Grows for Girl With Rare Rapid-Aging Disease Progeria Watch Video

Lipp added that there have also been reports of completely "synthetic pomegranate juice" that didn't contain any traces of the real juice.

USP tells ABC News that liquids and ground foods in general are the easiest to tamper with:

• Olive oil: often diluted with cheaper oils


• Lemon juice: cheapened with water and sugar


• Tea: diluted with fillers like lawn grass or fern leaves


• Spices: like paprika or saffron adulterated with dangerous food colorings that mimic the colors

Milk, honey, coffee and syrup are also listed by the USP as being highly adulterated products.

Also high on the list: seafood. The number one fake being escolar, an oily fish that can cause stomach problems, being mislabeled as white tuna or albacore, frequently found on sushi menus.

National Consumers League did its own testing on lemon juice just this past year and found four different products labeled 100 percent lemon juice were far from pure.

"One had 10 percent lemon juice, it said it had 100 percent, another had 15 percent lemon juice, another...had 25 percent, and the last one had 35 percent lemon juice," Sally Greenberg, Executive Director for the National Consumers League said. "And they were all labeled 100 percent lemon juice."

Greenberg explains there are indications to help consumers pick the faux from the food.

"In a bottle of olive oil if there's a dark bottle, does it have the date that it was harvested?" she said. While other products, such as honey or lemon juice, are more difficult to discern, if the price is "too good to be true" it probably is.

"$5.50, that's pretty cheap for extra virgin olive oil," Greenberg said. "And something that should raise some eyebrows for consumers."

Many of the products USP found to be adulterated are those that would be more expensive or research intensive in its production.
"Pomegranate juice is expensive because there is little juice in a pomegranate," Lipp said.

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Turn up the bass to scare birds away from planes

PLANES and birds aren't good at sharing air space - bird strikes worldwide cause over a billion dollars in damage every year, and put passengers and crew at risk. To scare avians away, a new device will fire low-frequency sound waves at flocks as they near busy flight paths.

Noise makers are often used to scare birds away from airports or contaminated waterways. But loud sounds also annoy any humans within earshot.

Now a system developed by Technology International, based in Laplace, Louisiana, aims to deter birds using infrasound, below the range of human hearing.

The trial version of the Avian Infrasound Non-lethal Denial System has a passive infrasound detector that listens for an approaching flock, and activates a series of rotary subwoofers that generate high-intensity, but low-frequency sound. It worked well in tests.

Thunderstorms also emit lots of infrasound, which may be why birds are naturally averse to it, says Abdo Husseiny, the firm's CEO.

Husseiny adds that the system could be used to keep pigeons away from public squares, or divert flocks away from wind turbines. He says that the equipment should be commercially available within two years.

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

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