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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(343) / 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(419) / 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(384) / 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(321) / 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(414) / 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(339) / 评论(0) 分类 澳洲ABC新闻快递2014年
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aircraft in distress
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arbitration
azimuth recording
azodye protein
bad-neighbor policy
beam axis
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biquinary code
blood lilies
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cholesterolestersturz
christmas-cards
coding cycle
complex crystalline glaze
Corean
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dichromatic dye
diffractionists
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Environmental Coordination Board
finds out
fixed head disk drive
go on the stump
gotten through with
gubboat
high speed tensile force
hot-gas temperature control
hydroman
Hydrorinkolite
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Idahoan
identity filter
incompletely specified Boolean function
inductive communication in yard and station
Intraxium
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It so happens that
joint air attack team
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l(a)evorotary
line characteristic
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raspier
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Staffordshire bull terrier
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tetramethylglucoside
the mercury is rising
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wide-angle image