科学美国人60秒 SSS 2016-1-27

This is Scientific American 60 Seconds Science. I'm Christine Herman. Got a minute? The ability of distinguish between sounds of varying pitch makes people capable of producing and understand speech and music. And the way we are able to process pitch

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SSS 2011-07-06

What does a bookworm have in common with a black-tufted marmoset? They both like a little quiet. Or so say scientists in the Royal Society journal Biology Letters. As urban areas continue to expand, their human inhabitants spread all sorts of polluti

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Scientific American(七)月

Animal Sanctuary in Australia

Tasmanian Devils, pygmy-possums and native parrots are just some of Australia's threatened species. But thanks to a successful breeding season, one animal sanctuary is optimistic for the future survival of these creatures. Our reporter Li Dong has th

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世界各地新闻集锦

英语听力文摘 English Digest 487、小猴子如何表达爱

When Marmoset s Think About Love 小猴子表达如何爱狨猴（ Marmoset ），又称指猴，是生活在在南美洲亚马逊河流域的森林中的一种世界上最小的猴子。这种猴长大后身高仅1012厘米，重80100克。新生猴只

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英语听力文摘 English Digest

Pygmy Elephants of Borneo

By Caty Weaver Broadcast: September 19, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists have identified the elephants that live on the island of Borneo in Malaysia

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VOA2003（下）-环境与健康

AP美联社一分钟新闻 2008-11-08

1. President-elect Barack Obama holds his first news conference since claiming the top job, saying hard work is needed to fix the economic crisis. In particular, he wants his transition team to come up with ideas to help the hard-hit auto industry.

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美联社新闻一分钟2008年(十一)月

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anulus lymphaticus cardiae

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basal tumor

base enamel