单词：paleobiologic
单词：paleobiologic 相关文章
By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode
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SCIENCE IN THE NEWS - Is Eating Like Our Ancestors Good For Us? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about evidence that early humans were meat-eaters much
2012年VOA慢速英语(十一)月
From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about evidence that early humans were meat-eaters much earlier than scientists have thought. We also tell about an anci
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By Lisa Schlein Geneva 20 August 2007 Experts attending an international conference are calling for quick action to reduce the threat posed by biological weapons. Participants attending the week-long meeting at the United Nations in Geneva say the so
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By Mike O'Sullivan Los Angeles 14 May 2007 Dinosaurs and other prehistoric creatures hold an enduring fascination, especially to the artists known as paleo-artists who bring the ancient animals to life. Mike O'Sullivan reports on the work of two pale
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俄罗斯莫斯科的一位生物能量学教授近日宣布，他已研制出一种能够有效延缓衰老的不老药，并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂，能够有效抑制氧分子对人
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