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SSS 2009-04-22

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(46) / 评论(0)

Scientific American(四)月

60秒科学:蚊子是西尼尔病毒的传播者

Mosquitoes, Not Birds, Made West Nile National In 1999 West Nile virus infected its first American, in New York. By 2004, the disease had spread across the country. Researchers speculated that, for the disease to spread so far so quickly, birds must

发表于:2019-01-02 / 阅读(87) / 评论(0)

60秒科学

VOA慢速英语--蝙蝠拥有长寿的秘诀吗？

Do Bats Hold the Secret to Long Life? Bats are the only mammals that can fly a great distance, but they have another ability. Many bats live a very long time for an animal their size. European researchers are studying bats to understand why they live

发表于:2019-01-03 / 阅读(25) / 评论(0)

2018年VOA慢速英语(二)月

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(67) / 评论(0)

Scientific American(十)月

SSS 2012-03-19

This is Scientific American 60 Second Science, I am Christopher Intagliata, got a minute. Scientists discover new species all the timeon the order of 15,000 a year. One of the latest additions to the tree of life is a new type of leopard frog. Which

发表于:2019-01-08 / 阅读(50) / 评论(0)

Scientific American(三)月

TED演讲：细菌是怎样交流的(8)

So we went back to molecular biology and started studying different bacteria, 所以我们回到分子生物学的方法，开始研究不同的细菌， and what we've found now is that in fact, bacteria are multilingual. 我们现在已经发现，事

发表于:2019-03-04 / 阅读(71) / 评论(0)

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anterior intercondylar area