单词：toxic neurasthenic syndrome
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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
Scientific American(一)月
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)
By Mil Arcega Washington, D.C. 23 August 2006 watch Diesel report Drivers looking for alternatives to high gasoline prices are increasingly turning their attention to hybrids and so-called smart cars. But as VOA's Mil Arcega reports some are taking
2006年VOA标准英语（八月）
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
2012年VOA慢速英语(八)月
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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