VOA慢速英语2018 比尔·盖茨谈论厕所的未来

Bill Gates Talks about the Future of Toilets Microsoft founder Bill Gates has presented a container of feces to visitors to a trade show in China. 微软创始人比尔盖茨在中国的一个贸易展上向参观者展示了一个粪便容器。 No,

发表于:2018-11-27 / 阅读(667) / 评论(0)

2018年VOA慢速英语(十一)月

大千世界:新西兰无翼大鸟

Most people searching for buried treasure would be looking for silver and gold, ancient coins or rare artwork. But scientists studying the extinct giant moa (已灭绝的一种新西兰无翼大鸟) bird and its environment are looking for a differen

发表于:2018-12-07 / 阅读(444) / 评论(0)

大千世界

科学美国人60秒 SSS 2014-10-16

This is Scientific American 60-second Science.I'm Steve Mersky.Got a minute? People have been leaving messages on bathroom walls for thousands of years,just google'ancient Roman bathroom graphy'.Well,we are not the only ones to use the ? for informat

发表于:2018-12-24 / 阅读(305) / 评论(0)

2014年Scientific American(十)月

SSS 2010-08-25

Youve probably seen dogs working security at airports, sniffing for drugs, bombs and contraband food. Now our best-friend biosensors might have a new task: ferretting out the scent of bird flu. And they may not be alone on the job. Researchers from t

发表于:2018-12-24 / 阅读(351) / 评论(0)

Scientific American(八)月

60秒科学:狗帮助我们抗击禽流感

发表于:2019-01-02 / 阅读(396) / 评论(0)

60秒科学

美联社新闻一分钟 2007-04-11

1. Larry Birkhead says DNA tests prove he is the father of Anna Nicole Smith's infant daughter. He emerged triumphant from a closed hearing in the Bahamas to announce the results. Dannielynn could inherit a fortune in the wake of her mother's death

发表于:2019-01-08 / 阅读(348) / 评论(0)

美联社新闻一分钟2007

VOA标准英语2014--类人猿感染埃博拉病毒

Ebola Also Strikes Great Apes 类人猿感染埃博拉病毒 While efforts continue to contain the Ebola outbreak among people in West Africa, researchers have a new technique to study Ebola among the Great Apes. Thousands of the primates are believe

发表于:2019-01-14 / 阅读(313) / 评论(0)

VOA标准英语2014年(九月)

科学美国人60秒 SSS “美食”共分享

Microbes play a huge role in our nutrition, our immunity, maybe even our mental health. But we arent the only ones that rely on these armies of resident bacteria. Baby cockroaches, the ones that just emerge from the egg, don't have any gut bacteria.

发表于:2019-01-20 / 阅读(354) / 评论(0)

2017年Scientific American(三)月

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american geophysical union (agu)

arc welding generator with independent excitation