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This is Scientific Americans' 60-Second Science. I am Karen Hopkin, this will just take a minute. Most school kids know that snakes can see with their noses, Vipers in particular have these organs on their noggins that allow them to see heat which he

发表于:2018-12-24 / 阅读(260) / 评论(0) 分类 Scientific American(一)月

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(320) / 评论(0) 分类 Scientific American(九)月

THIS IS AMERICA - Inside the Complex Worlds of Deafness and Deaf Culture in America Hearing technology offers more hope than ever. Yet the devices are not always welcomed. Also, how one young woman is learning to accept herself for who she is. Trans

发表于:2019-01-11 / 阅读(279) / 评论(0) 分类 VOA慢速英语2008年(五)月

Hearing, smell and sight are all well refined. We can look at the sense of vision and see the attributes of a predator. T-Rexs eyes are 40 centimetres apart providing exceptional binocular vision, the ability to perceive depth. An eye is essentially

发表于:2019-01-23 / 阅读(244) / 评论(0) 分类 探索与发现2013年

Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas

发表于:2019-01-30 / 阅读(324) / 评论(0) 分类 60秒科学

And when the markets in Europe closed a couple of hours ago, the London FTSE 100 was down 110 points. The Dax and Euro also down. In the US, trading comes to a close shortly. The Dow Jones is down. And the Australian dollar is worth around 87 US cent

发表于:2019-02-14 / 阅读(238) / 评论(0) 分类 澳洲ABC新闻快递2014年
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