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SCIENCE IN THE NEWS - As Butterflies Head South to Mexico, Humans Fly Along By Caty Weaver, Jill Moss and George Grow Broadcast: Tuesday, October 04, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEW
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From VOA Learning English, this is the Technology Report in Special English. American colleges and universities awarded about one million seven hundred thousand bachelors degrees in the school year ending in twenty ten. Fifty-seven percent of the rec
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By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
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By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
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今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
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