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This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov
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Smart Bandages to Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Scientists say new made-made materials equipped with sensors could turn bandages into a valuable tool for health care workers. Simple bandages are usually seen as the fir
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By Daniel Schearf Beijing 10 June 2008 China has said a massive lake formed by China's Sichuan earthquake is halfway drained and now poses less of a threat. China says it has won a decisive victory in its battle to drain the lake; drainage efforts b
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Federal Reserve Board Chairman Ben Bernanke says the U.S. economy is facing numerous difficulties amid a continuing downturn in housing, high oil prices, and renewed turmoil in financial markets. VOA's Barry Wood has more. Federal Reserve Board Chai
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BERLIN, Oct. 21 (Xinhua) -- German Bundesliga club Schalke has signed goalkeeper Timo Hildebrand until the end of the season, the club announced on Friday. The 32-year-old former German international goalkeeper was out of contract and joined Schalke
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Bernanke Argues for Stronger Economic Stimulus The head of the U.S. central bank argued for more efforts to stimulate the economy on Friday, but did not say when or how such action might be taken. U.S. Federal Reserve Chairman Ben Bernanke said unemp
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