Saturday, March 2, 2013

In China-Japan island clash, a peaceful diversion

A dangerous confrontation between China and Japan over the Senkaku islands can be deflected if China returns to the idea of laying aside sovereignty claims in favor of seeking joint development of any seabed wealth.

By the Monitor's Editorial Board / March 1, 2013

The islands known as the Senkaku in Japan and the Diaoyu in China are seen in this photograph taken on a surveillance plane on Dec. 13, 2012, and provided by the State Oceanic Administration of the People's Republic of China.

Reuters/file

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With China and Japan appearing close to a conflict over a few small islands, it?s time to pull out a practical tool of peacemaking: Divert the contending parties toward a shared interest. That tactic often calms the waters, creates trust, and buys time.

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Since 2010, either by mishap or design, Tokyo and Beijing have escalated a confrontation over ownership of the uninhabited Senkaku islands (known in China as the Diaoyu islands). What has largely been forgotten is that the two Asian giants were talking only a few years ago about joint exploration of potential oil wealth in the South China Sea. They played down the issue of sovereignty in favor of common economic goals.

To deflect the current tensions, China must return to the idea of seeking a joint effort in tapping the oil and gas around the islands rather than assert its dominance in the region. The idea isn?t new. The late Chinese leader Deng Xiaoping set down the wise policy regarding the islands of ?shelve rivalry, jointly develop.? And last September, Taiwan ? which also claims the islands ? officially proposed joint petroleum exploration.

Other Asian nations have considered joint ventures in offshore drilling, often to avoid a flare-up of territorial claims. In 2009, Brunei and Malaysia settled a boundary dispute and then tied it to joint development of oil. Vietnam and Malaysia agreed in 1992 to seek joint development without settling rival claims of seabed sovereignty. Last year, Philippine President Benigno Aquino III suggested that all the nations that lay claim to various islands in the South China Sea ?? such as the Paracels, the Spratlys, the Scarborough Shoals ? should benefit from the seabed wealth.

Achieving such agreements isn?t always easy. After decades of work, for example, the United States and Mexico finally agreed last month to manage one of their maritime boundaries through joint regulation of oil drilling in the area. Britain and Argentina have been hot and cold about joint development off the Falkland Islands.

Perhaps one of the best examples of this type of peacemaking was the secret talks in 1992 between Israelis and Palestinians over issues of sharing water resources. Mediated by a Norwegian group, those talks created enough trust that they helped pave the way for the 1995 Oslo peace accords.

Indeed, countries often avoid official talks over a contentious bilateral issue by quietly or indirectly allowing private parties, such as an eminent group of scholars, to first come up with an agreement on the matter. If those initial talks fail, officials suffer no public shame. Conflict can be avoided.

Few experts on China expect Beijing to back off anytime soon in its campaign to assert sovereignty over islands in its surrounding seas ? some even hundreds of miles from its shores. But with its need for oil growing ? demand is expected to double by 2030 ? China does have common ground with its neighbors, such as Japan. Sharing the wealth in their own watery backyards is far preferable to risking war over some deserted islands. What binds neighbors is greater than what divides them.

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/BOtyvmHG9ao/In-China-Japan-island-clash-a-peaceful-diversion

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Pour, shake and stir: How gold particles, DNA and water have the potential to shape the future of medicine

Feb. 28, 2013 ? A diagnostic 'cocktail,' containing a single drop of blood, a dribble of water and a dose of DNA powder with gold particles, could one day lead to the treatment of the world's leading diseases.

This homegrown brew is being developed by IBBME PhD student Kyryl Zagorovsky and Professor Warren Chan (IBBME), a Canada Research Chair in Nanobiotechnology, and a recent winner of the NSERC E.W.R. Steacie Memorial Fellowship.

"There's been a lot of emphasis in developing simple diagnostics," said Professor Chan. "The question is, how do you make it simple enough, portable enough?"

Professor Chan's lab studies nanoparticles -- in particular, the use of gold particles in sizes so small that they are measured in the nanoscale. He and his group are working on custom-designing nanoparticles to target and illuminate cancer cells and tumours, with the potential of one day being able to deliver drugs to cancer cells.

Zagorovsky's rapid-diagnostic biosensor will allow technicians to test for multiple diseases at one time with one small sample, and with high accuracy and sensitivity. The biosensor relies upon gold particles in much the same vein as your average pregnancy test. With a pregnancy test, gold particles turn the test window red because the particles are linked with an antigen that detects a certain hormone in the urine of a pregnant woman.

"Gold is the best medium," explained Professor Chan, "because it's easy to see. It emits a very intense colour."

Currently, scientists can target a particular disease by linking gold particles with DNA strands. When a sample containing the disease gene (e.g., Malaria) is present, it clumps the gold particles, turning the sample blue.

Rather than clumping the particles together, Zagorovsky immerses the gold particles in a DNA-based enzyme solution (DNA-zyme) that, when the disease gene is introduced, 'snip' the DNA from the gold particles, turning the sample red.

"It's like a pair of scissors," said Zagorovsky. "The target gene activates the scissors that cut the DNA links holding gold particles together."

The advantage is that far less of the gene needs to be present for the solution to show noticeable colour changes, amplifying detection. A single DNA-zyme can clip up to 600 'links' between the target genes.

Just a single drop from a biological sample such as saliva or blood can potentially be tested in parallel, so that multiple diseases can be tested in one sitting.

But the team has also demonstrated that can transform the testing solution into a powder, making it light and far easier to ship than solutions, which degrade over time. Powder can be stored for years at a time, and offers hope that the technology can be developed into efficient, cheap, over-the-counter tests for diseases such as HIV and malaria for developing countries, where access to portable diagnostics is a necessity.

"We've now put all the pieces together," said Professor Chan.

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The above story is reprinted from materials provided by University of Toronto Faculty of Applied Science & Engineering.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Kyryl Zagorovsky, Warren C. W. Chan. A Plasmonic DNAzyme Strategy for Point-of-Care Genetic Detection of Infectious Pathogens. Angewandte Chemie International Edition, 2013; DOI: 10.1002/anie.201208715

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/PDJliaqGgPU/130228171529.htm

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Dust from Africa affects snowfall in California

This 2011 image provided by the National Oceanic and Atmospheric Administration shows a field survey site in California's Sierra Nevada mountains. A new study published online Thursday, Feb. 28, 2013 in the journal Science found snowfall in the Sierras was influenced by dust and microbes from as far away as Africa. (AP Photo/Jessie Creamean/NOAA)

This 2011 image provided by the National Oceanic and Atmospheric Administration shows a field survey site in California's Sierra Nevada mountains. A new study published online Thursday, Feb. 28, 2013 in the journal Science found snowfall in the Sierras was influenced by dust and microbes from as far away as Africa. (AP Photo/Jessie Creamean/NOAA)

(AP) ? One of the driest spots on Earth ? the Sahara desert ? is increasingly responsible for snow and rain half a world away in the western U.S., a new study released Thursday found.

It's no secret that winds carrying dust, soot and even germs make transcontinental journeys through the upper atmosphere that can affect the weather thousands of miles away. Yet little is known about the impact of foreign pollutants on the West Coast, which relies on mountain snowmelt for its water needs.

Previous studies hinted these jet-setting particles may retard rainfall in the Sierra Nevada mountains in Northern California by reducing the size of water droplets in clouds. But scientists who flew through storm clouds in an aircraft, measured rain and snow and analyzed satellite imagery found the opposite: Far-flung dust and germs can help stimulate precipitation.

During the 2011 winter, a team from the University of California, San Diego and National Oceanic and Atmospheric Administration traced particles suspended in clouds over the Sierra to distant origins ? from the skies over the arid Sahara that later mingled with other pollutants in China and Mongolia before crossing the Pacific.

The days with the most particles in the clouds were also "days when we see the most snow on the ground," said study leader Kimberly Prather, an atmospheric chemistry professor at UC San Diego, whose study was published online Thursday in the journal Science.

Scientists believe wafting dust, grit and microbes ? including bacteria and viruses ? can spur the formation of ice crystals in clouds that in turn can influence how much rain or snow falls.

For years, governments and utilities in California and other Western states have used cloud seeding, in which a chemical vapor is sprayed into clouds, in a bid to increase rainfall.

The new study shows how "Mother Nature has figured out how to give us more precipitation" and that may lead to changes in cloud-seeding efforts, which can be hit-or-miss, Prather said.

David J. Smith at the NASA Kennedy Space Center said it was refreshing to see measurements from the ground, air and orbit to tackle how airborne particles affected Northern California snowfall.

"Such a comprehensive approach is the only way to thoroughly examine global transport" of particles, Smith, who had no role in the research, said in an email.

___

Online:

Science: http://www.sciencemag.org

___

Follow Alicia Chang at http://twitter.com/SciWriAlicia

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/b2f0ca3a594644ee9e50a8ec4ce2d6de/Article_2013-02-28-US-SCI-Western-Precipitation/id-d9999805e5254f34a0c3d4a13ce04ceb

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Friday, March 1, 2013

FW de Klerk speaks about cancer experience | Shout-Africa

??Colorectal Cancer Awareness Month ? Former president and Nobel Peace Prize winner, F. W. de Klerk knows exactly how colon cancer can affect someone. He was diagnosed with this type of cancer in 2006 and has been in remission for seven years now. His surprise diagnosis has made him realise that this sensitive type of cancer needs to be discussed, and receive more public awareness.

Colorectal cancer is the cancer of the bowel, colon and rectum and is the fourth most common cancer in South Africa. While the disease is typically found in persons over the age of 50, colorectal cancer can affect anyone, regardless of gender or social status[i].

With this in mind, F. W. de Klerk is lending his voice in support of Colorectal Cancer Awareness Month, which takes place, globally, in March, and is observed in South Africa during the month of April. He has also endorsed the ?Ignoring a gut feeling?? campaign, which highlights the fact that physical gut feelings can be intuitive and should not be ignored.

Mr F. W. de Klerk was diagnosed with colon cancer in 2006 when he visited his physician. ?I never knew that I was at risk for cancer. There was no cancer in my family. I went for my annual check-up just after I turned 70 and for the first time it was decided that I should have a colonoscopy. When I came out of the colonoscopy theatre, it was diagnosed, so it was like lightning striking out of the blue,? says de Klerk.

Listening to your body and getting tested regularly can go a long way to fighting and overcoming this type of cancer. This is why Be Cancer Aware launched the ?Ignoring a gut feeling?? campaign and each year strives to inform and change people?s attitudes towards this type of cancer, particularly during the months of March and April.

?I never had symptoms and when my colon cancer was discovered, I was advised that we should operate immediately,? F. W. de Klerk says. His operation was a success and has been declared cancer-free for seven years now.

?My experience has not been bad. I did take chemo and the side effects weren?t all that bad. I?m very glad I did it. My advice is don?t wait too long. Make sure you undergo regular colonoscopies at regular intervals after the age of 40,? says de Klerk.

Dr Demetriou, a practising oncologist at Wits Donald Gordon Oncology Centre in Johannesburg, agrees with F. W. de Klerk on this issue. ?Don?t put off screenings because of what you might have heard about the procedure, or fear that you might have cancer. If we can detect this type of cancer early, remission and a cure is possible. Today we also have access to newer types of cancer treatment such as targeted therapy, which also play a huge role in the successful treatment of colorectal cancer. Nobody is exempt from getting this disease, so make sure your physician or doctor books you for a screening sooner rather than later.?

The risk of being diagnosed with colorectal cancer begins at around age 50 and both men and women need to be screened. Risk factors can include poor diet, lack of exercise, obesity, family history of colorectal cancer and age, but that being said, it can affect anyone of any age, gender or race[ii].

Some of the common symptoms include a change in bowel habit, blood in the stool and prolonged or ongoing pain but this isn?t always the case for everyone who gets colorectal cancer.

About Be Cancer Aware

Be Cancer Aware is a reliable source of information for those newly diagnosed with cancer. Together with resources such as a website, newsletter, and social media, Be Cancer Aware hopes to educate, support and encourage patients with appropriate information and resources.

On the Be Cancer Awareness website, you?ll find information, expert opinions, inspirational stories from patients and survivors and the latest news of local cancer activities.

Be Cancer Aware aim?s to offer quality cancer awareness and educational information to South Africans.

Awareness of cancer is vital in the fight to reduce the burden of the disease and improve the lives of patients.

BCA is supported by Roche Products (Pty) Ltd in the interest of cancer education and awareness.

About colorectal cancer

Colorectal cancer is a slow growing cancer that can be present for up to five years before showing symptoms[iii]. If diagnosed and treated early, colorectal cancer is treatable and, in many cases, is curable[iv].

Symptoms of colorectal cancer include a change in bowel habit that lasts for more than a few weeks; blood in the stool or rectal bleeding; cramps; prolonged or on-going pain and discomfort in the abdominal area during, before or after bowel movement; unexplained weight loss; weakness, fatigue or exhaustion and the feeling of not being able to empty your bowel properly[v].

Colorectal cancer can be treated with four types of treatments ? surgery, radiation, chemotherapy and biological therapy. Surgery is the most common treatment for all stages of colorectal cancer. Radiation is used to kill the cancer cells or stop them from growing. Chemotherapy forms one of the most widely used treatments and has the ability to shrink tumours. Finally, biological therapy is also used to treat cancer. This type of therapy uses the immune system to help fight a specific type of cancer. It identifies and attacks specific cancer cells without harming normal cells, and this is why it is also referred to as targeted therapy[vi].

Some types of biological medicine can also prevent blood vessels from reaching the tumour, which starves the tumour and causes it to stop growing and shrink. This particular type of treatment is referred to as tumour starving therapy[vii].



[1] Roche Background Information: Colorectal Cancer. [online] Available at: http://www.roche.com/colorectal_cancer_backgrounder.pdf

[1] Screen4coloncancer.org Colorectal Cancer: Myths and Facts. [online] Available at: http://www.screen4coloncancer.org/myths.asp

[1] Living with Metastatic Colorectal Cancer. Roche, p. 6.

[1] Cancer.org (2012) Treatment by stage of colon cancer. [online] Available at: http://www.cancer.org/cancer/colonandrectumcancer/detailedguide/colorectal-cancer-treating-by-stage-colon

[1] Living with Metastatic Colorectal Cancer.

[1] Roche Background: Information

[1] Avastin.com (2012) How Avastin Treatment Works in Colorectal Cancer ? Avastin. [online] Available at: http://www.avastin.com/patient/crc/about/index.html

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Source: http://www.shout-africa.com/health-lifestyle/fw-de-klerk-speaks-about-cancer-experience/

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Syrian rebel put his dreams on hold in civil war

In this Saturday, Nov. 17, 2012 image taken from video obtained from the Beloved of Allah Brigade , which has been authenticated based on its contents and other AP reporting, Syrian rebel Abdullah Qadi, foreground, addresses other fighters in the village of Orim, Syria. Qadi, a fresh graduate of veterinary school when Syria's conflict began, was killed this week while fighting the forces of President Bashar Assad.(AP Photo/Beloved of Allah Brigade via AP video)

In this Saturday, Nov. 17, 2012 image taken from video obtained from the Beloved of Allah Brigade , which has been authenticated based on its contents and other AP reporting, Syrian rebel Abdullah Qadi, foreground, addresses other fighters in the village of Orim, Syria. Qadi, a fresh graduate of veterinary school when Syria's conflict began, was killed this week while fighting the forces of President Bashar Assad.(AP Photo/Beloved of Allah Brigade via AP video)

In this Saturday, Nov. 17, 2012 image taken from video obtained from the Beloved of Allah Brigade , which has been authenticated based on its contents and other AP reporting, Syrian rebel Abdullah Qadi, second right, addresses other fighters in the village of Orim, Syria. Qadi, a fresh graduate of veterinary school when Syria's conflict began, was killed this week while fighting the forces of President Bashar Assad.(AP Photo/Beloved of Allah Brigade via AP video)

In this Sunday, Feb. 24, 2013 image taken from video obtained from Beloved of Allah Brigade, which has been authenticated based on its contents and other AP reporting, dead Syrian rebel fighter Abdullah Qadi lies on a floor before burial in Syria. Qadi, a fresh graduate of veterinary school when Syria's conflict began, was killed this week while fighting the forces of President Bashar Assad. (AP Photo/Beloved of Allah Brigade via AP video)

(AP) ? Abdullah Qadi stood apart from his fellow rebel fighters ? an educated young man from a poor farming town who managed to make it through veterinary school.

He was fresh out of school in March 2011, when Syria's uprising began and erased his career plans of treating animals and someday becoming a professor.

As the violence deepened into a civil war, Qadi worked as a medic but later took up arms when his brother was killed, becoming a field commander.

Qadi was leading fighters into battle against the government forces when I met him on two occasions last year, a 25-year-old who was swept up in events he didn't quite understand and didn't expect to survive.

"I try to ask myself where I'll be after the revolution, and I can't imagine myself anywhere but in the grave," Qadi told me the last time I saw him in person.

I saw Qadi again earlier this week: As I sat at my computer in Beirut, a YouTube video flashed across the screen showing his body after he had been killed in northern Syria during government shelling and airstrikes. The video, posted online by the rebels, declared him a "martyr" in the fight against President Bashar Assad.

___

EDITOR'S NOTE: Ben Hubbard, an Associated Press correspondent based in Beirut, interviewed rebel fighter Abdullah Qadi during reporting trips into Syria. Here is his remembrance of the young brigade commander who died this week while fighting in northern Syria.

___

Qadi's death was like many of the more than 70,000 in the civil war ? violent, fast and mostly invisible to the outside world, other than in a few posts on Facebook pages run by his friends.

For me, it was a moment of recognizing someone familiar in the stream of gruesome images from the nearly 2-year-old conflict.

Because the government bars most reporters from working in Syria, on-the-ground reporting can only be done on dangerous, clandestine trips into the country.

It was on one such trip in November that I spent several days with Qadi and his brigade in northern Syria, both in a simple farmhouse they used as a base near their hometown of Maaret Misreen and in a fancy villa where they squatted while planning to attack an army base.

Qadi fielded my questions about his group, answering softly and earnestly, laughing shyly at times without opening his mouth much to hide a chipped front tooth.

His college education made him different from most of his fellow fighters. He was shorter than many of his colleagues and he usually wore an army green sweater and camouflage pants. He had grown a beard in the revolutionary fashion, but it was too downy to harden his image.

When the political protests against Assad grew more violent, his future was changed forever. Instead of healing farm animals, his medical expertise was put to use in treating victims of the government crackdown.

Then, in December 2011, his brother, Mazen, was killed in a shootout with a pro-regime militia, and Qadi joined a new brigade called The Beloved of Allah, most of whose members were guys he grew up with.

Like most of those fighting Assad's forces, he was a devout Sunni Muslim who didn't fully agree with the jihadists and foreign fighters who had joined the civil war seeking to turn Syria into an Islamic state. But their presence didn't bother him enough to make him refuse their help in battle.

He was popular with his men and known for his caution, recalled Sair Schaib, another brigade member, in an interview via Skype.

Some chafed at times at Qadi's reluctance to push forward quickly, but they later appreciated it. They realized that despite all the talk of the glory of martyrdom, he really didn't want to get his men killed.

This week, Qadi's brigade was among the rebels who pushed into Khan al-Assal, a village east of Aleppo in northern Syria near a police academy that Assad's forces have turned into a military base that regularly fires shells at nearby villages.

Government forces heavily shelled the area and the rebels organized cars to evacuate the civilians, said Schaib, who was a few streets away from Qadi.

Then a government jet bombed them, damaging homes and wounding a number of fighters and civilians.

Once they had been evacuated, Schaib rejoined the rest of his group and found another fighter cradling Qadi's head in his lap and reciting the Muslim declaration of faith.

Qadi's colleagues announced his death on their Facebook page, telling his story in epic language that portrayed him as a model for all.

"He picked up his weapon and joined the valiant revolutionaries, a courageous hero who did not fear death, but instead asked Allah for it, seeking martyrdom and receiving it from Allah," it said. "You will live on in our presence and in or hearts as we continue the march until we reach one of two blessings, victory or martyrdom."

They also posted a video of his body, his face uncovered. His fellow rebels, their voices cracking with emotion, yelled "God is great!"

Qadi was buried Monday night in his hometown, next to his brother.

Months earlier, over a plate of chicken fingers and french fries, Qadi spoke of how he had deferred his dreams of work, graduate study and marriage to fight a war he didn't expect to see end.

But he didn't seem depressed at that late-night dinner. He had fully embraced his new life.

"I'm happy with the battles and the people I've gotten to know," Qadi said. "These are the best moments of my life."

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/cae69a7523db45408eeb2b3a98c0c9c5/Article_2013-02-28-ML-Syria-Death-of-a-Rebel/id-2d226f68ee344be38d9945abf1fefed0

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Groupon fires founder, CEO Andrew Mason

Groupon, the struggling online daily deals pioneer, announced Thursday that it has ousted CEO Andrew Mason.

Executive Chairman Eric Lefkofsky and Vice Chairman Ted Leonsis were appointed to the newly created ?Office of the Chief Executive? until a replacement is found.

The announcement was made after the market closed Thursday. Groupon shares shot up to $4.90 in after-hours trade, from a close of $4.53 on the Nasdaq.

"On behalf of the entire Groupon Board, I want to thank Andrew for his leadership, his creativity and his deep loyalty to Groupon. As a founder, Andrew helped invent the daily deals space, leading Groupon to become one of the fastest growing companies in history," Lefkofsky said.

The announcement came one day after Groupon announced a disappointing fourth quarter. The fourth quarter net loss attributable to common stockholders was $81.1 million.

Rumors that Mason wasn't long for this post have been buzzing for some time as the company has struggled with growth and its stock has fallen below $5.

Arvind Bhatia, managing director at Sterne Agee, said after the dismal earnings that he still has a "buy" rating on Groupon stock.

"As far as I'm concerned, this company has a pretty good board and they will eventually find the right people if Andrew is not the right guy. It's not necessarily an important part of my thesis at this point," Bhatia said.

This story includes reporting from The Associated Press and Reuters.

Source: http://www.nbcnews.com/business/groupon-fires-founder-ceo-andrew-mason-1C8623938

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Giant cockroach genus Pseudophoraspis expands to the north with 3 new species

Feb. 28, 2013 ? Cockroaches (Blattodea) are an insect order remarkable in their biodiversity and distribution, with more than 4500 species known and great geographical reach. Cockroach fossils date back around 400 million years, which testifies to their great adaptability and endurance that puts them among the planet's great survivors.

The cockroach genus Pseudophoraspism has has been reported from China for the first time thanks to the discovery of three new species: Pseudophoraspis clavellata, Pseudophoraspis recurvata and Pseudophoraspis incurvata, alongside the first regional record of three already described ones. They belong to the cockroach family Blaberidae, known also as giant cockroaches. The study was published in the open access journal ZooKeys.

Although the adults of the newly described species can reach a size of around 3 cm in length, they are still some of the smallest representatives in the family. For comparison, the females of the largest species known, Blaberus giganteus, can reach up to 10 cm in length. The heaviest species, Macropanesthia rhinoceros, also known as the rhinoceros cockroach, reaches only around 8 cm but can weigh remarkable 35 grams.

All of the known species of the genus Pseudophoraspis, to which the three newly described ones belong, were reported from Southeast Asia and South Asia, with Vietnam considered the north boundary of their territory. This new record of three already known species, and three newly discovered ones in China's provinces Hainan, Yunnan and Guangxi, however, considerably expands the reach of the genus to the North.

One of the authors, Dr. Zongqing Wang from the Institute of Entomology, Southwest University, China comments: "All of the known species were reported from Southeast Asia and South Asia, and the previously known boundary of this genus would be Vietnam. We found three new species from China, located in Hainan, Yunnan and Guangxi Provinces respectively, which extends the range of the genus Pseudophoraspis northward."

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The above story is reprinted from materials provided by Pensoft Publishers, via EurekAlert!, a service of AAAS.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Zongqing Wang, Keliang Wu, Yanli Che. New record of the cockroach genus Pseudophoraspis (Blaberidae, Epilamprinae) from China with descriptions of three new species. ZooKeys, 2013; 273 (0): 1 DOI: 10.3897/zookeys.273.4122

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/xFDHyMQ5TLo/130228103438.htm

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