Today on New Scientist: 21 December 2012

Cadaver stem cells offer new hope of life after death

Stem cells can be extracted from bone marrow five days after death to be used in life-saving treatments

Apple's patents under fire at US patent office

The tech firm is skating on thin ice with some of the patents that won it a $1 billion settlement against Samsung

Himalayan dam-building threatens endemic species

The world's highest mountains look set to become home to a huge number of dams - good news for clean energy but bad news for biodiversity

Astrophile: Black hole exposed as a dwarf in disguise

A white dwarf star caught mimicking a black hole's X-ray flashes may be the first in a new class of binary star systems

Blind juggling robot keeps a ball in the air for hours

The robot, which has no visual sensors, can juggle a ball flawlessly by analysing its trajectory

Studio sessions show how Bengalese finch stays in tune

This songbird doesn't need technological aids to stay in tune - and it's smart enough to not worry when it hears notes that are too far off to be true

Giant tooth hints at truly monumental dinosaur

A lone tooth found in Argentina may have belonged to a dinosaur even larger than those we know of, but what to call it?

Avian flu virus learns to fly without wings

A strain of bird flu that hit the Netherlands in 2003 travelled by air, a hitherto suspected by unproven route of transmission

Feedback: Are wind turbines really fans?

A tale of "disease-spreading" wind farms, the trouble with quantifying "don't know", the death of parody in the UK, and more

The link between devaluing animals and discrimination

Our feelings about other animals have important consequences for how we treat humans, say prejudice researchers Gordon Hodson and Kimberly Costello

Best videos of 2012: First motion MRI of unborn twins

Watch twins fight for space in the womb, as we reach number 6 in our countdown of the top videos of the year

2012 Flash Fiction winner: Sleep by Richard Clarke

Congratulations to Richard Clarke, who won the 2012 New Scientist Flash Fiction competition with a clever work of satire

Urban Byzantine monks gave in to temptation

They were supposed to live on an ascetic diet of mainly bread and water, but the monks in 6th-century Jerusalem were tucking into animal products

The pregnant promise of fetal medicine

As prenatal diagnosis and treatment advance, we are entering difficult ethical territory

2013 Smart Guide: Searching for human origins in Asia

Africa is where humanity began, where we took our first steps, but those interested in the latest cool stuff on our origins should now look to Asia instead

The end of the world is an opportunity, not a threat

Don't waste time bemoaning the demise of the old order; get on with building the new one

Victorian counting device gets speedy quantum makeover

A photon-based version of a 19th-century mechanical device could bring quantum computers a step closer

Did learning to fly give bats super-immunity?

When bats first took to the air, something changed in their DNA which may have triggered their incredible immunity to viruses

Van-sized space rock is a cosmic oddball

Fragments from a meteor that exploded over California in April are unusually low in amino acids, putting a twist on one theory of how life on Earth began

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S'pore students set for workforce & world: global quiz host

SINGAPORE: Singapore students have a hunger for knowledge and are ready to face the workforce and the world, observed a key partner of the Tata Crucible Campus Quiz.

Mr Giri Balasubramaniam, more popularly known as "Pickbrain", is the host of the global business quiz.

He said the world looks up to Singapore in many ways, and one of them is quality education.

The Tata Crucible Campus Quiz has been held in India, Singapore and the UK.

The defending team from Singapore Management University (SMU) won the challenge in Singapore this year.

This is SMU's fourth win, and its third consecutive one since it was held in Singapore five years ago.

The team from the National University of Singapore took second place, and the Nanyang Technological University took third spot.

The quiz tests students' knowledge on business-related topics as well as their lateral-thinking abilities.

The SMU team is set to represent Singapore in April next year at the International Finals in India.

The quiz covers a wide range of subjects from the world of business and economy, including business houses, personalities, brands, and markets.

Organiser Tata group aims to encourage lateral association, speed of thought and out-of-the-box thinking, among youth.

Tata group is made up of more than 100 firms in various sectors, and has operations in over 80 countries globally.

- CNA/xq

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On truths, dreams, confessions -- and the iPhone

Oddly emotional.

(Credit:
Chris Matyszczyk/CNET)

Sometimes I just wander into places.

No reason I should. No reason I shouldn't.

Tonight it was a fascinating North Vietnamese restaurant called Khong River House in Miami Beach. It's been open only four days and the staff have that staring-eye look that reminds you of exam day at college.

Still, for reasons of sheer art, they have an installation near the restrooms. The idea is that you take one of the provided pens and write down your truth, your dream, or your confession on a piece of board that you then hang for all to see.

Just like the Web, it's entirely anonymous.

But I imagine that a lot of slightly inebriated people come by and -- just like the Web -- post things because it makes them feel better to release something of themselves.

I went through most of the submissions. Of course, some of them must be jokes. But, I suspect, not all of them.

"My daughter isn't my husband's biological child, but he doesn't know," read one that seemed oddly real.

"I like to pluck my pubic hair," said another. I am not sure whether this was a truth, a dream, or a confession.

"I'll be knocked up, fat, and ugly in 2013... and my bf won't marry me :(" read one painfully realistic confession.

The more I stared, the more mesmerized I became with people's apparent openness about their own lives and life itself.

"If you're lucky, life is one problem after the next," began one plaintive philosopher. "If you're not so lucky, it's the same problem over and over again."

And then came the slightly sad stunner: "I like my iPhone more than most of my friends."

Contrary to the opinion of some contrary readers, I don't happen to be obsessed with Apple products. I use precisely two: an iPhone and a
MacBook Air. I succumbed to the iPhone only because Nokia dumped me (and everyone else in America) and simply didn't launch a decent phone.

Yet I stared at this confession and wondered whether I could imagine any other brand being written about in the same way. Would someone have written: "I love my Galaxy S3 more than most of my friends"?

Would anyone have trumpeted: "I love my
Nokia Lumia 920 more than most of my friends"?

I'm not sure that they would. For reasons understandable or not, the Apple brand has found a way to creep into people's being in a way no other has.

You can decide whether this is a good or a bad thing. But it's so real that Samsung has to make jokes about it.

More Technically Incorrect

This may not last forever. It may be overtaken both by an Apple faltering or a Samsung/Nokia/Microsoft/Google stroke of emotional genius.

But it hasn't happened yet. Somehow, Apple still gets you at the core, while other brands stroke you at the peripheries.

I looked through most of the hanging boards to see whether some other gadget might have touched a soul.

All I found was: "Truth: Men Cheat. Dream: A Faithful Man. Confession: Women are worse."

As well as gems such as: "I blamed my arrest on being heartbroken," "I am in the military and I'm scared to die," and "When I was mad, I stuck his toothbrush in the toilet."

My favorite was this: "My wife still gives me butterflies after 8 years."

Strangely, for quite a few people, so does Apple.

Life is cruel.

(Credit:
Chris Matyszczyk/CNET)

That is a confession.

(Credit:
Chris Matyszczyk/CNET)

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Pictures: Fungi Get Into the Holiday Spirit

Photograph courtesy Stephanie Mounaud, J. Craig Venter Institute

Mounaud combined different fungi to create a Santa hat and spell out a holiday message.

Different fungal grow at different rates, so Mounaud's artwork rarely lasts for long. There's only a short window of time when they actually look like what they're suppose to.

"You do have to keep that in perspective when you're making these creations," she said.

For example, the A. flavus fungi that she used to write this message from Santa grows very quickly. "The next day, after looking at this plate, it didn't say 'Ho Ho Ho.' It said 'blah blah blah,'" Mounaud said.

The message also eventually turned green, which was the color she was initially after. "It was a really nice green, which is what I was hoping for. But yellow will do," she said.

The hat was particularly challenging. The fungus used to create it "was troubling because at different temperatures it grows differently. The pigment in this one forms at room temperature but this type of growth needed higher temperatures," Mounaud said.

Not all fungus will grow nicely together. For example, in the hat, "N. fischeri [the brim and ball] did not want to play nice with the P. marneffei [red part of hat] ... so they remained slightly separated."

Published December 21, 2012

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'Fiscal Cliff' Leaves Boehner a Wounded Speaker

John Boehner is a bloodied House speaker following the startling setback that his own fractious Republican troops dealt him in their "fiscal cliff" struggle against President Barack Obama.

There's plenty of internal grumbling about the Ohio Republican, especially among conservatives, and lots of buzzing about whether his leadership post is in jeopardy. But it's uncertain whether any other House Republican has the broad appeal to seize the job from Boehner or whether his embarrassing inability to pass his own bill preventing tax increases on everyone but millionaires is enough to topple him.

"No one will be challenging John Boehner as speaker," predicted John Feehery, a consultant and former aide to House GOP leaders. "No one else can right now do the job of bringing everyone together" and unifying House Republicans.

The morning after he yanked the tax-cutting bill from the House floor to prevent certain defeat, Boehner told reporters he wasn't worried about losing his job when the new Congress convenes Jan. 3.

"They weren't taking that out on me," he said Friday of rank-and-file GOP lawmakers, who despite pleading from Boehner and his lieutenants were shy of providing the 217 votes needed for passage. "They were dealing with the perception that somebody might accuse them of raising taxes."

Jacquelyn Martin/AP Photo

That "somebody" was a number of outside conservative groups such as the Club for Growth and Heritage Action for America, which openly pressured lawmakers to reject Boehner's bill. Such organizations often oppose GOP lawmakers they consider too moderate and have been headaches for Boehner in the past.

This time, his retreat on the tax measure was an unmistakable blow to the clout of the 22-year House veteran known for an amiable style, a willingness to make deals and a perpetual tan.

Congressional leaders amass power partly by their ability to command votes, especially in showdowns. His failure to do so Thursday stands to weaken his muscle with Obama and among House Republicans.

"It's very hard for him to negotiate now," said Sarah Binder, a George Washington University political scientist, adding that it's premature to judge if Boehner's hold on the speakership is in peril. "No one can trust him because it's very hard for him to produce votes."

She said the loss weakens his ability to summon support in the future because "you know the last time he came to you like this, others didn't step in line."

Boehner, 63, faces unvarnished hostility from some conservatives.

"We clearly can't have a speaker operate well outside" what Republicans want to do, said freshman Rep. Tim Huelskamp, R-Kan.

Huelskamp is one of four GOP lawmakers who lost prized committee assignments following previous clashes with party leaders. That punishment was an anomaly for Boehner, who is known more for friendly persuasion than arm-twisting.

He said Boehner's job would depend on whether the speaker is "willing to sit and listen to Republicans first, or march off" and negotiate with Obama.

Conservative Rep. Steve King, R-Iowa, said one of the tea party's lasting impacts would be if Boehner struggled to retain his speakership due to the fight over the fiscal cliff, which is the combination of deep tax increases and spending cuts that start in early January without a bipartisan deal to avert them.

"If there's a major defeat delivered here, it could make it tough on him," King said. "He's in a tough spot."

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Himalayan dam-building threatens endemic species

The Himalayas, the world's highest mountain range, may soon hold another record: it could become home to the greatest density of dams in the world. More than a thousand are either already operating, under construction or being planned in northern India, Nepal and Bhutan. Besides providing clean energy, they could improve flood control and access to drinking water. But they will also pose a serious threat to indigenous species.

Hydroelectricity supplies about one-fifth of India's power, but even so nearly 300 million of the country's inhabitants have no access to electricity. More dams could help plug the energy shortfall: India's hydropower potential is estimated to be four times its current production of 39 gigawatts.

Maharaj Pandit at the University of Delhi, India, and R Edward Grumbine at the Chinese Academy of Sciences in Kunming, have now studied the impact 292 of the planned Himalayan dams will have. They used satellite imagery and published data on Himalayan species richness to estimate how each dam's location would affect forest cover and biodiversity.

Extinctions loom

"We project that about 1700 square kilometres of forests would be submerged or damaged by dams and related activities", says Pandit. He and Grumbine predict that such deforestation will result in the likely extinction of 22 flowering plants and 7 vertebrate species by 2025. This number would rise to 1505 flowering plants and 274 vertebrates by 2100 if construction work continues.

Another recent study suggests the dams will be bad news for many of the Himalayas' 300 species of fish. Jay Bhatt and colleagues at the University of Delhi studied distribution of fish species in 16 Himalayan rivers, and found that those richest in biodiversity, with the greatest number of endemic species, were also those where dams will be concentrated.

"Dozens of dam projects are already caught up in litigation due to faulty environmental impact assessments, displacement of people, inadequate compensation, destruction of traditional water and livelihood sources, and loss of biodiversity," says Himanshu Thakkar, coordinator of the South Asia Network on Dams, Rivers & People, an informal group of organisations and individuals interested in the impact of dam-building. The combined effect of several hundred new dams would be gargantuan, he adds.

Journal references: Pandit and Grumbine study: Conservation Biology, doi.org/j3z; Bhatt study: PLoS One, doi.org/j3x

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N. Korea confirms arrest of US citizen

SEOUL: North Korea confirmed Friday that it had arrested a US citizen in November, saying legal action would be taken against him but giving no details of the charges.

The man, identified as Pae Jun-Ho, entered North Korea on November 3 as a tourist, and "committed a crime" against the country, the official Korean Central News Agency (KCNA) said.

"He was put into custody by a relevant institution," it added.

The United States has no diplomatic ties with North Korea and KCNA said consular officials from the Swedish embassy, which acts on behalf of the US, had visited Pae on Friday.

"Legal actions are being taken against Pae in line with the criminal procedure law" of North Korea, the agency said without elaborating.

The arrest was first reported earlier this month by a South Korean newspaper which had identified the detainee as a a 44-year-old Korean-American tour operator.

KCNA said Pae was detained as he entered the north-eastern port city of Rason which lies inside a special economic zone near North Korea's border with Russia and China.

Several Americans have been held in North Korea in recent years.

In 2010 former US president Jimmy Carter won plaudits when he negotiated the release of American national, Aijalon Mahli Gomes, sentenced to eight years of hard labour for illegally crossing into the North from China.

On another mercy mission a year earlier in 2009, former president Bill Clinton won the release of US television journalists Laura Ling and Euna Lee, jailed after wandering across the North Korean border with China.

- AFP/jc

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Dish faces challenges ramping up its LTE network

Dish was recently given a thumbs up by the FCC to build its own LTE network, but the company is up against some stiff obstacles along the way.

Last week, the Federal Communications Commission granted Dish's request to allow it to use 40 MHz of spectrum in the 2 GHz band to create a 4G LTE network. At the time, the FCC indicated that some restrictions would apply, though it didn't reveal the specifics...until now.

The satellite TV provider must finish 40 percent of its LTE network within the next four years, and 70 percent within seven years, as detailed by blog site Electronista.

Further, if the 40 percent goal isn't reached by the due date, the 70 percent deadline will be trimmed to six years. And if Dish can't meet the 70 percent timeframe, it won't be allowed to offer its broadband services in any areas not already covered.

Dish will also have to adhere to certain power limits to avoid interference on the AWS-4 spectrum that it will use for its high-speed network. Specifically, the company must run the 2000-2005 MHz portion of the spectrum at reduced power.

A limit in power usage is a restriction that concerned Dish last month before it even received official FCC approval.

The deadline restrictions also worry some who were against the deal, according to Electronista. Certain opponents feel Dish will choose the most populated markets to ramp up its network and leave less developed areas by the wayside.

The full FCC document on Dish's restrictions is available online through Scribd.

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Winter Solstice 2012: Facts on the Shortest Day of the Year

Today is the winter solstice and the first day of winter in the Northern Hemisphere. It's all due to Earth's tilt, which ensures that the shortest day of every year falls around December 21.

Some predicted that today would also mark Earth's doomsday, thanks to a longstanding rumor that the Maya calendar ends on December 21, 2012. But earlier this year, National Geographic grantee William Saturno found evidence that the Maya calculated dates thousands of years past 2012.

"We keep looking for endings," Saturno said in a statement. "The Maya were looking for a guarantee that nothing would change. It's an entirely different mindset."

(Read more about the Maya apocalypse myth.)

Even without an apocalypse, the solstice has been an auspicious day since ancient times. Countless cultural and religious traditions mark the winter solstice; it's no coincidence that so many holidays surround the first day of winter.

Solstice in Space: Astronomy of the First Day of Winter

During the winter solstice the sun hugs closer to the horizon than at any other time during the year, yielding the least amount of daylight annually. On the bright side, the day after the winter solstice marks the beginning of lengthening days leading up to the summer solstice.

"Solstice" is derived from the Latin phrase for "sun stands still." That's because—after months of growing shorter and lower since the summer solstice—the sun's arc through the sky appears to stabilize, with the sun seeming to rise and set in the same two places for several days. Then the arc begins growing longer and higher in the sky, reaching its peak at the summer solstice.

(Related sun pictures: See a full year in a single frame.)

The solstices occur twice a year (around December 21 and June 21) because Earth is tilted by an average of 23.5 degrees as it orbits the sun—the same phenomenon that drives the seasons.

During the warmer half of the year in the Northern Hemisphere, the North Pole is tilted toward the sun. The northern winter solstice occurs when the "top" half of Earth is tilted away from the sun at its most extreme angle of the year.

Being the shortest day of the year, the winter solstice is essentially the year's darkest day, but it's not the coldest. Because the oceans are slow to heat and cool, in December the seas still retain some warmth from summer, delaying the coldest of winter days for another month and a half. Similarly, summer doesn't hit its heat peak until August, a month or two after the summer solstice.

Winter Solstice Marked Since Ancient Times

Throughout history, humans have celebrated the winter solstice, often with an appreciative eye toward the return of summer sunlight.

Massive prehistoric monuments such as Ireland's mysterious Newgrange tomb (video) are aligned to capture the light at the moment of the winter solstice sunrise.

Germanic peoples of Northern Europe honored the winter solstice with Yule festivals—the origin of the still-standing tradition of the long-burning Yule log.

The Roman feast of Saturnalia, honoring the God Saturn, was a weeklong December feast that included the observance of the winter solstice. Romans also celebrated the lengthening of days following the solstice by paying homage to Mithra, an ancient Persian god of light.

Many modern pagans attempt to observe the winter solstice in the traditional manner of the ancients.

"There is a resurgent interest in more traditional religious groups that is often driven by ecological motives," said Harry Yeide, a professor of religion at George Washington University. "These people do celebrate the solstice itself."

(Related: Get Stonehenge facts and pictures in National Geographic magazine.)

Pagans aren't alone in commemorating the winter solstice in modern times.

In a number of U.S. cities a Watertown, Massachusetts-based production called The Christmas Revels honors the winter solstice with an annually changing lineup of traditional music and dance from around the world.

"Nearly every northern culture has some sort of individual way of celebrating that shortest day," said Revels artistic director Patrick Swanson. "It's a lot of fun for us to dig up the traditional dance and music and even the plays [honoring] that time of the year."

Of course, as the name suggests, The Christmas Revels mix ancient winter solstice traditions with customs of the holiday that largely replaced winter solstice celebrations across much of the Northern Hemisphere: Christmas.

Winter Solstice's Christmas Connection

Scholars aren't exactly sure of the date of Jesus Christ's birthday, the first Christmas.

"In the early years of the Christian church, the calendar was centered around Easter," George Washington University's Yeide said. "Nobody knows exactly where and when they began to think it suitable to celebrate Christ's birth as well as the Passion cycle"—the Crucifixion and resurrection depicted in the Bible. (Related: "Christmas Star Mystery Continues.")

Eastern churches traditionally celebrate Christmas on January 6, a date known as Epiphany in the West. The winter date may have originally been chosen on the basis that Christ's conception and Crucifixion would have fallen during the same season—and a spring conception would have resulted in a winter birth.

But Christmas soon became commingled with traditional observances of the first day of winter.

"As the Christmas celebration moved west," Yeide said "the date that had traditionally been used to celebrate the winter solstice became sort of available for conversion to the observance of Christmas. In the Western church the December date became the date for Christmas."

Early church leaders endeavored to attract pagans to Christianity by adding Christian meaning to existing winter solstice festivals.

"This gave rise to an interesting play on words," Yeide said. "In several languages, not just in English, people have traditionally compared the rebirth of the sun with the birth of the son of God."

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Amid Protest, NRA Calls for Armed Guards in Schools

The National Rifle Association stood its ground today in arguing that the answer to gun violence in schools is an armed security force that can protect students, while blaming the media and violent entertainment and video games for recent deadly shootings.

"The only thing that can stop a bad guy with a gun is a good guy with a gun," NRA executive vice president Wayne LaPierre said in presenting the NRA's first comments about the Connecticut school shooting since it occured a week ago today.

LaPierre offered no olive branch to gun-control advocates who have called for tougher laws in the wake of the shooting at Sandy Hook Elementary School. Instead, he called for schools across the country to recruit armed security professionals to protect their students.

"It's not just our duty to protect [our children], it's our right to protect them," LaPierre said at a news conference. "The NRA knows there are millions of qualified active and reserved police, active and reserve military, security professionals, rescue personnel, an extraordinary corps of qualified trained citizens to join with local school officials and police in devising a protection plan for every single school."

He was interrupted twice by protestors who stood in front of LaPierre's podium holding signs and shouting that the NRA "has blood on its hands" and that the NRA is "killing our kids." The protestors were eventually escorted out of the room.

President Obama Launches Gun-Violence Task Force Watch Video

President Obama on Gun Control: Ready to Act? Watch Video

Joe Biden to Lead Task Force to Prevent Gun Violence Watch Video

LaPierre also scoffed at the notion that banning so-called assault weapons or enacting gun control laws would stop school violence. He instead cast blame for gun violence in schools on violent entertainment, including video games, and the media.

"How many more copycats are waiting in the wings for their moment of fame from a national media machine that rewards them with a wall of attention they crave while provoking others to make their mark?" he asked.

LaPierre announced that former U.S. congressman Asa Hutchinson of Arkansas would lead the NRA's effort to advocate for school security forces.

The leadership of the NRA has held off on interviews this week after refusing to appear on Sunday morning public affairs shows this past weekend. They said they would grant interviews beginning next week to discuss their position.

NRA News anchor Ginny Simone said Thursday that in the wake of the Sandy Hook shooting, membership surged "with an average of 8,000 new members a day."

New York City Mayor Michael Bloomberg has said the NRA is partially to blame for the tragedy.

"We're not trying to take away your right to advance the interests of gun owners, hunters, people who want to protect themselves," Bloomberg told "Nightline" anchor Cynthia McFadden in an interview Thursday. "But that's not an absolute right to encourage behavior which causes things like Connecticut. In fact, Connecticut is because of some of their actions."

The guns used in the attack were legally purchased and owned by the shooter's mother, Nancy Lanza, whom Adam Lanza shot to death before his assault on the school.

In the aftermath of the shooting, many, including Bloomberg, have called for stricter regulations on the type of weapons used in this and other instances of mass gun violence this year.

Sen. Dianne Feinstein, D-Calif., has said she intends to introduce a bill banning assault weapons on the first day of next year's Congress -- a step the president said he supports.

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