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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar
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Cavers Explore Mysterious Hidden Wonders Caves have a subconscious hold on our imaginations - for our ancestors, they were not just shelter from the elements but also symbols of the womb, gateways to the underworld, places of wonder and mystery. Not
VOA标准英语2011年(八月)
HEALTH REPORT - Post Polio Syndrome By Karen Leggett Broadcast: Wednesday, April 14, 2004 This is the VOA Special English Health Report. Polio is a disease of the muscles and the nervous system. It is
健康与经济
Health Report - Designing an Alternative to Antibiotics This is the VOA Special English Health Report. In nineteen twenty-eight a British scientist made a chance observation. He noticed that some mold had grown in bacteria in a culture plate in his l
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It is called crib death or SIDS which stands for sudden infant death syndrome. Parents put a seemingly healthy infant to sleep and return to find the baby has stopped breathing. The causes remain a mystery, but new research suggests a chemical imbala
VOA标准英语2010年(二月)
BRUSSELS, May 31 (Xinhua) -- A deadly outbreak of E.coli linked to contaminated cucumbers is sending Europe on high alert, as death toll from the disease climbed to 16 till Tuesday. So far, 15 people have reportedly died and more than 300 were seriou
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