Former MM Lee Kuan Yew misses Lunar New Year dinner

SINGAPORE: Former Minister Mentor and Member of Parliament (MP) for Tanjong Pagar Group Representation Constituency (GRC), Mr Lee Kuan Yew did not attend the annual Lunar New year dinner at his GRC on Friday evening.

Senior Minister of State for Law and MP for the area, Ms Indranee Rajah told grassroots leaders and residents at the dinner that Mr Lee was not feeling well and had extended his apologies for not being at the event.

Mr Lee thanked all residents for attending the event.

On behalf of the gathering, Ms Indranee wished Mr Lee a speedy recovery and hopes he feels better soon.

Channel NewsAsia understands from grassroots leaders in the division that this is the first time Mr Lee has missed the Tanjong Pagar division's Lunar New Year dinner celebrations.

- CNA/xq

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Crave giveaway: Aperion Audio Verus Forte speakers

Congrats to Michal H. of West Lafayette, Ind., for winning a copy of Nuance Dragon Dictate for
Mac 3 in last week's giveaway. Now, get ready to pump up the volume. This week we're giving away a pair of satellite speakers from Aperion Audio.

Aperion -- whose home theater speakers have been called "spectacular" by CNET contributor and Audiophiliac Steve Guttenberg -- went petite with its Verus Forte speakers. Intended for small spaces, they measure 9 inches by 5 inches wide by 5.7 inches deep and weigh 6.5 pounds.

The callout feature on these stylish speakers is Aperion's PhaseSync driver, which takes advantage of the company's own patent-pending radiator tweeter design. Combined with an integrated woofer, it all adds up to a big, detailed sound from a compact speaker that can be used for a basic stereo setup or as a satellite for your home theater system.

Normally, two Aperion Audio Verus Forte speakers would run you $450, but we're giving them away for free. How do you go about winning them? There are a few rules, so please read carefully.

• Register as a CNET user. Go to the top of this page and hit the Join CNET link to start the registration process. If you're already registered, there's no need to register again.


• Leave a comment below. You can leave whatever comment you want. If it's funny or insightful, it won't help you win, but we're trying to have fun here, so anything entertaining is appreciated.


• Leave only one comment. You may enter for this specific giveaway only once. If you enter more than one comment, you will be automatically disqualified.
  


• The winner will be chosen randomly. The winner will receive one (1) pair of Aperion Audio Verus Forte speakers, with a retail value of $450.


• If you are chosen, you will be notified via e-mail. The winner must respond within three days of the end of the sweepstakes. If you do not respond within that period, another winner will be chosen.


• Entries can be submitted until Monday, February 18, at 12 p.m. ET.

And here's the disclaimer that our legal department said we had to include (sorry for the caps, but rules are rules):

NO PURCHASE NECESSARY TO ENTER OR WIN. A PURCHASE WILL NOT INCREASE YOUR CHANCES OF WINNING. YOU HAVE NOT YET WON. MUST BE LEGAL RESIDENT OF ONE OF THE 50 UNITED STATES OR D.C., 18 YEARS OLD OR AGE OF MAJORITY, WHICHEVER IS OLDER IN YOUR STATE OF RESIDENCE AT DATE OF ENTRY INTO SWEEPSTAKES. VOID IN PUERTO RICO, ALL U.S. TERRITORIES AND POSSESSIONS AND WHERE PROHIBITED BY LAW. Sweepstakes ends at 12 p.m. ET on Monday, February 18, 2013. See official rules for details.

Good luck.

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Why We Walk … and Run … And Walk Again to Get Where We're Going

You have to get to a bus stop to catch the once-an-hour express ... or to a restaurant to meet a friend ... or to a doctor's office. You've got maybe a half a mile to cover and you're worried you'll be late. You run, then you stop and walk, then run some more.

But wait. Wouldn't it be better to run the whole way?

Not necessarily.

A new study by an assistant professor of mechanical engineering at Ohio State University tests the theory that people subconsciously mix walking and running so they get where they need to. The idea is that "people move in a manner that minimizes energy consumption," said the professor, Manoj Srinivasan.

Srinivasan asked 36 subjects to cover 400 feet (122 meters), a bit more than the length of a football field. He gave them a time to arrive at the finish line and a stopwatch. If the deadline was supertight, they ran. If they had two minutes, they walked. And if the deadline was neither too short nor too far off, they toggled between walking and running.

The takeaway: Humans successfully make the walk-run adjustment as they go along, based on their sense of how far they have to go. "It's not like they decide beforehand," Srinivasan said. (Get tips, gear recommendations, and more in our Running Guide.)

The Best Technique for "the Twilight Zone"

"The mixture of walking and running is good when you have an intermediate amount of time," he explained. "I like to call it 'the Twilight Zone,' where you have neither infinite time nor do you have to be there now."

That ability to shift modes served ancient humans well. "It's basically an evolutionary argument," Srinivasan said. A prehistoric human seeking food would want to move in a way that conserves some energy so that if food is hard to find, the hunter won't run out of gas—and will still be able to rev it up to escape predators.

The study, published on January 30 in the Journal of the Royal Society Interface, doesn't answer that question of how we make such adjustments.

Runners: Take a Break if You Need It

The mix of walking and running is also something that nonelite marathoners are familiar with. Covering 26.2 miles might take less of a toll if the runner stops running from time to time, walks a bit, then resumes a jogging pace. "You use less energy overall and also give yourself a bit of a break," Srinivasan noted. (Watch: An elite marathoner on her passion for running.)

One take-home lesson is: Runners, don't push it all the time. A walk-run mix will minimize the energy you expend.

Lesson two: If you're a parent walking with your kid, and the kid lags behind, then runs to catch up, then lags again, the child isn't necessarily trying to annoy you. Rather, the child is perhaps exhibiting an innate ability to do the walk-run transition.

Potential lesson three: The knowledge that humans naturally move in a manner that minimizes energy consumption might be helpful in designing artificial limbs that feel more natural and will help the user reduce energy consumption.

The big question for Manoj Srinivasan: Now that he has his walk-run theory, does he consciously switch between running and walking when he's trying to get somewhere? "I must admit, no," he said. "When I want to get somewhere, I just let the body do its thing." But if he's in a rush, he'll make a mad dash.

"Talk to you tomorrow," he signed off in an email to National Geographic News. "Running to get to teaching now!"

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Nightmare Ends: Passengers Leave Disabled Ship

After five days without power in the Gulf of Mexico, the more than 4,200 people aboard the Carnival Triumph returned home to the U.S., with many of them telling their horror stories for the first time.

Passengers began to disembark the damaged ship around 10:15 p.m. CT Thursday in Mobile, Ala. The last passenger disembarked the ship at 1 a.m. local time, according to Carnival's Twitter handle.

Passenger Brandi Dorsett was thankful to be home, especially for her mother, who was with her on the ship. Dorsett said she wasn't pleased with the doctor on staff.

"My mother is a diabetic, and they would not even come to the room because she cannot walk the stairs to help her with insulin. She hasn't had insulin in three days," Dorsett said.

Click Here for Photos of the Stranded Ship at Sea

The Carnival Triumph departed Galveston, Texas, last Thursday and lost power Sunday after a fire in the engine room disabled the vessel's propulsion system and knocked out most of its power.

After power went out, passengers texted ABC News that sewage was seeping down the walls from burst plumbing pipes, carpets were wet with urine, and food was in short supply. Reports surfaced of elderly passengers running out of critical heart medicine and others on board squabbling over scarce food.

"It's degrading. Demoralizing, and then they want to insult us by giving us $500," Veronica Arriaga said after disembarking the ship.

Passengers were already being given a full refund for the cruise, transportation expenses and vouchers for another cruise. Carnival Cruise Lines is now boosting that offer to include another $500 per person.

As the ship docked, passengers lined the decks of the Triumph, waving and whistling to those on shore. "Happy V-Day" read a homemade sign made for the Valentine's Day arrival, while another sent a starker message: "The ship's afloat, so is the sewage."

AP Photo/John David Mercer

Girl Disembarks Cruise Ship, Kisses the Ground Watch Video

Carnival Cruise Ship Passengers Line Up for Food Watch Video

Stranded Carnival Cruise Ship On Its Way to Port Watch Video

WATCH: Carnival CEO Gerry Cahill Apologizes to Passengers

Some still aboard chanted, "Let me off, let me off!" and "Sweet Home Alabama."

Kendall Jenkins was one of many passengers who were photographed kissing the ground when they exited the ship. Jenkins, like many passengers, created makeshift beds out of lounge chairs on the ship's deck after the raw sewage smell became too much to contend with.

"We kind of camped out by our lifeboat. We would have nightmares about Titanic basically happening," passenger Kendall Jenkins told ABC News Radio.

"I am just so blessed to be back home," she added.

Cruise Ship Newlyweds Won't Be Spending Honeymoon on a Boat

Approximately 100 buses were waiting to take passengers on the next stage of their journey. Passengers had the option to take a bus ride to New Orleans or Galveston, Texas, where the ill-fated ship's voyage began. From there, passengers will take flights home, which Carnival said it would pay for.

Inside the buses, Carnival handed out bags of food that included French fries, chicken nuggets, honey mustard barbecue sauce and apples.

Deborah Knight, 56, decided to stay in Mobile after the arduous journey was over rather than board a bus for a long ride. Her husband Seth drove in from Houston, and they checked in at a downtown Mobile hotel.

"I want a hot shower and a daggum Whataburger," said Knight.

She said she was afraid to eat the food on board and had gotten sick while on the ship.

For 24-year-old Brittany Ferguson of Texas, not knowing how long passengers had to endure their time aboard was the worst part.

"I'm feeling awesome just to see land and buildings," Ferguson said, who was in a white robe given to her on the cruise ship. "The scariest part was just not knowing when we'd get back," she told The Associated Press.

Carnival president and CEO Gerry Cahill praised the ship's crew and told reporters that he was headed on board to apologize directly to its passengers shortly before the Carnival Triumph arrived in Mobile.

"I know the conditions on board were very poor," Cahill said Thursday night. "I know it was very difficult, and I want to apologize again for subjecting our guests for that. ... Clearly, we failed in this particular case."

Luckily no one was hurt in the fire that triggered the power outage, but many passengers aboard the 900-foot colossus said they smelled smoke and were living in fear.

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Mosh pit physics could aid disaster planning

Metalheads in mosh pits act like atoms in a gas. That's the conclusion of the first study of the collective motion of people at a rock concert.

The finding could add to the realism of computer-generated crowd scenes in films and games.; More importantly, it could help architects design buildings that ease the flow of chaotic crowds in an emergency.

Research into how humans behave in crowds had mostly been limited to fairly organised situations, like pedestrians forming lanes when walking on the street. But when Jesse Silverberg, a graduate student at Cornell University in Ithaca, New York, took his girlfriend to her first heavy metal concert a few years ago, he witnessed a different and surprising form of crowd behaviour.

"I didn't want to put her in harm's way, so we stood off to the side," he says. "I'm usually in the mosh pit, but for the first time I was off to the side and watching. I was amazed at what I saw."

Metal fans' favoured dance style is called moshing and mostly involves bodies slamming into each other. Silverberg wondered if the mathematical laws that describe group behaviour in flocks of birds or schools of fish could apply to moshers as well.

Like a random gas

Together with another grad student and two physics professors at Cornell, he pulled videos of mosh pits off YouTube and used software developed for analysing particles in a fluid to track the moshers' motions. They found that the dancers' speeds had the same statistical distribution as the speeds of particles in a gas. Such particles move around freely, interacting only when they bounce off one another.

"This presented a bit of a mystery," Silverberg says. What makes a crowd of people with independent decision-making powers behave like a random gas?

To investigate, the team simulated a mosh pit with a few basic rules: the virtual moshers bounce off each other when they collide (instead of sticking or sliding through each other); they can move independently; and they can flock, or follow each other, to varying degrees. Finally, the team added a certain amount of statistical noise to the simulated moshers' movements – "to mimic the effects of the inebriants that the participants typically use", says co-author Matthew Bierbaum.

They found that by tweaking their model parameters – decreasing noise or increasing the tendency to flock, for instance – they could make the pit shift between the random-gas-like moshing and a circular vortex called a circle pit, which is exactly what they saw in the YouTube videos of real mosh pits. Their simulation is available online.

"These are collective behaviours that you wouldn't have predicted based on the previous literature on collective motion in humans," Silverberg says. "That work was geared at pedestrians, but what we're seeing is fundamentally different."

"The fact that human beings are very complex creatures, and yet we can develop a lifeless computer simulation that mimics their behaviour, really tells us that we're understanding something new about the behaviour of crowds that we didn't understand before," says co-author James Sethna.

Lane formation

The team also found a third mosh-pit mode that they hadn't seen on YouTube, which they call lane formation. "If you increase the flocking or decrease the density of the simulated moshers, the active participants can break down the circle and just stream through the crowd," Bierbaum says. "I'd be excited to see this, but it would have to be at a very large venue, so that the ends didn't collide with each other to form a circle pit."

Although the project was mostly for fun, the researchers think it could have real-world implications for crowd animators and architects.

"When you have earthquakes or buildings on fire, people tend to panic when they escape. We don't have a good way of experimentally seeing what's going on," Silverberg says. "By going to these heavy-metal concerts, we're able to ethically and safely observe how humans behave in these unusual excited states."

"That's how we justify it after the fact, by talking about safety," Sethna adds.

The correlation between moshers and random gases "seems very fitting to me", says Jon Freund, drummer in Ithaca-based metal band Thirteen South. "It's kind of the same thing – a pure expression of energy that's just random."

But he says knowing the physics behind it won't change how he moshes – mostly because these days he stays out of the pit. "I'm a hide-on-the-stage-and-play-my-drums mosher," he admits. "I don't want to get hit in the head."

Silverberg notes that the study's main limitation was the quality of the data. "YouTube videos are typically shaky and taken from a poor viewing angle," he says. What's more, staff at venues "tend to baulk when you walk in with a camera". He hopes to convince at least one venue to let him film with a camera suspended over the crowd. "There really is so much to do and so much we don't know yet. It's really just beginning."

Journal reference: arxiv.org/abs/1302.1886

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Cordlife Group posts S$5.6m net profit in fiscal Q2

SINGAPORE: Cord blood and tissue banking service provider Cordlife Group posted a net profit of S$5.6 million for its fiscal second quarter, boosted by a one-time disposal gain of $2.7 million.

Excluding the disposal of its 10 per cent interest in China-based stem cell company, China Stem Cells (South) Company, Cordlife's underlying net profit grew over 50 per cent to S$3 million.

Revenue for the quarter rose 24 per cent to S$8.8 million.

Cordlife attributed the higher revenue largely to successful marketing efforts to educate expectant parents on the benefits of its cord blood banking services.

Going forward, the group is optimistic that it could benefit from policies to boost fertility and birth rates in Singapore.

The firm said the extension of Child Development Accounts, as well as the higher Baby Bonus, will allow more parents to afford to store their children's cord blood stem cells as an additional medical treatment alternative.

Jeremy Yee, executive director and CEO of Cordlife Group, said: "The Population White Paper was a very interesting one.

"What we look at, at the end of the day, is the fact that the government essentially is going to spur more investment by putting in more infrastructure in place so that the population can grow.

"More incentives have been given to parents to have more children. So all these are positives."

Cordlife's shares closed on Thursday almost 5 per cent higher at 66 cents.

- CNA/al

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JavaScript expert: WebKit, get your bug-ridden house in order

It was a good day for the WebKit browser engine yesterday when Opera Software adopted it in place of its in-house Presto. But yesterday's developments also became an opportunity for a high-profile JavaScript programmer to lodge criticisms about WebKit.

"Each release of Chrome or
Safari generates excitement about new bleeding-edge features; nobody seems to worry about the stuff that's already (still!) broken," complained Dave Methvin, president of the jQuery foundation and a member of the core programming team that builds the widely used Web programming tool, in a blog post.

"jQuery Core has more lines of fixes and patches for WebKit than any other browser. In general these are not recent regressions, but long-standing problems that have yet to be addressed."

WebKit is a browser engine used initially in Apple's OS X and later in iOS and Google's Chrome products. It dominates in mobile, though there are variations among the versions from Apple, Google, and others using the software.

Browser engines are used to process Web page programming written in HTML, CSS, and JavaScript. jQuery is a very widely used package of prewritten JavaScript code that lets programmers take advantage of advanced Web features, and jQuery's own coders must be sure jQuery works with all browsers.

Methvin fretted that Opera's arrival in the world of WebKit will mean only a different set of shiny new browser features without any new attention to the bugs.

"I can't be optimistic without some evidence that things are really going to change," he said.

On the contrary, he's worried that WebKit's success and priorities means that some aspects of Web programming are sliding back into the dark days when old versions of Microsoft Internet Explorer ruled the Web:

When we started our jQuery 2.0 cleanup to remove IE 6/7/8 hacks, we were optimistic that we would also be able to remove some bloat from lingering patches needed for really old browsers like Safari 2. But several of those WebKit hacks still remain. Even when they have been fixed in the latest Chrome or Safari, older WebKit implementations like PhantomJS and UIWebView [which third-party iOS use to handle Web code] still don't have the fix. We've had to put back several of these as users reported problems with the beta. It's starting to feel like oldIE all over again, but with a different set of excuses for why nothing can be fixed.

Methvin is not the only angst-laden Web developer. Several others lamented Opera's diminished independence as a supplier of an alternative browsing engine.

Opera will debut its first WebKit-based product, a version of its browser for
Android phones, at the Mobile World Congress show in Barcelona, Spain, later this month.

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Are Honeybees Losing Their Way?

A single honeybee visits hundreds, sometimes thousands, of flowers a day in search of nectar and pollen. Then it must find its way back to the hive, navigating distances up to five miles (eight kilometers), and perform a "waggle dance" to tell the other bees where the flowers are.

A new study shows that long-term exposure to a combination of certain pesticides might impair the bee's ability to carry out its pollen mission.

"Any impairment in their ability to do this could have a strong effect on their survival," said Geraldine Wright, a neuroscientist at Newcastle University in England and co-author of a new study posted online February 7, 2013, in the Journal of Experimental Biology.

Wright's study adds to the growing body of research that shows that the honeybee's ability to thrive is being threatened. Scientists are still researching how pesticides may be contributing to colony collapse disorder (CCD), a rapid die-off seen in millions of honeybees throughout the world since 2006.

"Pesticides are very likely to be involved in CCD and also in the loss of other types of pollinators," Wright said. (See the diversity of pollinating creatures in a photo gallery from National Geographic magazine.)

Bees depend on what's called "scent memory" to find flowers teeming with nectar and pollen. Their ability to rapidly learn, remember, and communicate with each other has made them highly efficient foragers, using the waggle dance to educate others about the site of the food source.

Watch as National Geographic explains the waggle dance.

Their pollination of plants is responsible for the existence of nearly a third of the food we eat and has a similar impact on wildlife food supplies.

Previous studies have shown certain types of pesticides affect a bee's learning and memory. Wright's team wanted to investigate if the combination of different pesticides had an even greater effect on the learning and memory of honeybees.

"Honeybees learn to associate floral colors and scents with the quality of food rewards," Wright explained. "The pesticides affect the neurons involved in these behaviors. These [affected] bees are likely to have difficulty communicating with other members of the colony."

The experiment used a classic procedure with a daunting name: olfactory conditioning of the proboscis extension reflex. In layman's terms, the bee sticks out its tongue in response to odor and food rewards.

For the experiment, bees were collected from the colony entrance, placed in glass vials, and then transferred into plastic sandwich boxes. For three days the bees were fed a sucrose solution laced with sublethal doses of pesticides. The team measured short-term and long-term memory at 10-minute and 24-hour intervals respectively. (Watch of a video of a similar type of bee experiment.)

This study is the first to show that when pesticides are combined, the impact on bees is far worse than exposure to just one pesticide. "This is particularly important because one of the pesticides we used, coumaphos, is a 'medicine' used to treat Varroa mites [pests that have been implicated in CCD] in honeybee colonies throughout the world," Wright said.

The pesticide, in addition to killing the mites, might also be making honeybees more vulnerable to poisoning and effects from other pesticides.

Stephen Buchmann of the Pollinator Partnership, who was not part of Wright's study, underscored how critical pollinators are for the world. "The main threat to pollinators is habitat destruction and alteration. We're rapidly losing pollinator habitats, natural areas, and food—producing agricultural lands that are essential for our survival and well being. Along with habitat destruction, insecticides weaken pollinators and other beneficial insects."

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'Blade Runner' Charged With Murder of Girlfriend

Oscar Pistorius, the Olympic and Paralympic athlete known as the "blade runner," was taken into custody in South Africa today and charged with the murder of his girlfriend, who was fatally shot at his home.

Police in the South African capital of Pretoria received a call around 3 a.m. today that there had been a shooting at the home of 26-year-old Pistorius, Lt. Col. Katlego Mogale told the Associated Press. When police arrived at the scene they found paramedics trying to revive 29-year-old Reeva Steenkamp, the AP reported.

At a news conference early today, police said a 26-year-old man, whom they have not named, was arrested and has requested to be taken to court immediately. Police in South Africa do not name suspects in crimes until they have appeared in court.

RELATED: 'Blade Runner' Oscar Pistorius Faster Than a Horse

AP Photo/Matt Dunham, File

Runner Oscar Pistorius Arrested in Girlfriends's Killing Watch Video

Mogale said the woman died at the house, and a 9-mm pistol was recovered at the scene and a murder case opened against Pistorius, the AP reported.

Police said this morning that there were no other suspects in the shooting, and that Pistorius is at the police station.

The precise circumstances surrounding the incident are unclear. Local reports say he might have mistaken her for a burglar, according to the AP.

VIDEO: Double Amputee Races to Win Olympic Gold

Police said they have heard reports of an argument or shouting at the apartment complex, and that the only two people on the premises were Steenkamp and Pistorius.

Police confirmed there have previously been incidents of a domestic nature at the home of Pistorius.

Pistorius, a sprint runner, had double below the knee amputations, and a part of his legs has been replaced with carbon fiber blades. In 2012, he became the first double-leg amputee to participate in the Olympics, competing in the men's 400-meter race.

He also competed in the Paralympics, where he won gold medals in the men's 400-meter race, in what became a Paralympics record. He also took the silver in the 200-meter race.

Steenkamp, according to her Twitter bio, is a law graduate and model. She tweeted Wednesday, "What do you have up your sleeve for your love tomorrow??? #getexcited #ValentinesDay."

Steenkamp recently appeared on the cover of FHM magazine, in commercials and was due to appear on a reality-TV show, "Tropika Island of Treasure."

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US should vaccinate poultry to stop killer salmonella

It is a case of putting the bottom line before our health. This year, a million Americans will succumb to salmonella poisoning. Several hundred will die. Yet in Europe, a cheap vaccine for chickens has slashed the number of cases. Vaccination in Iowa shows US lives can be saved too – but US rules give meat producers no incentive to use a vaccine that doesn't boost their profits.

Salmonella causes more deaths than any other food-borne germ and is the second-most common cause of food-borne illness in the US, according to a new report published by the US Centers for Disease Control and Prevention in Atlanta, Georgia. Poultry, meat and eggs are the biggest source, causing a third of all cases.

But this can be prevented. After a scandal over infected eggs in the UK in the late 1980s, farmers boosted hygiene standards and killed infected flocks. Human cases stayed high until 1998 when British supermarkets started buying eggs only from vaccinated hens, says Sarah O'Brien of the University of Liverpool, UK. Human cases then plummeted with a forty-fold drop between 1993 and 2010.

In the US, a massive recall of eggs due to salmonella in 2010 similarly led to tighter hygiene rules for chicken farms. But the US Food and Drug Administration declared there was "insufficient data on efficacy" to make vaccination compulsory, despite evidence in Europe to the contrary.

Nonetheless, as monitoring programmes have revealed just how widespread the infection is, about a third of US egg producers have started to vaccinate their chickens. That and better hygiene has reduced the number of infected hen houses fivefold in Iowa, the biggest US egg producer, in the past two years, says Darrell Trampel of Iowa State University.

Meat producers have resisted, however, even though there is salmonella on 13 per cent of chicken breasts sold in US supermarkets, says Lance Price of George Washington University in Washington DC. The farmers vaccinate for several poultry diseases, but since salmonella doesn't hurt the birds or affect their growth, says Price – and human illness is not a cost the farmers have to bear – there is no motivation to prevent its spread.

Journal reference: Emerging Infectious Disease, doi.org/kgx

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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