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(man) Today we're going to talk about shyness and discuss recent research on ways to help children learn to interact socially. Many people consider themselves shy. In fact, forty percent of people who took part in our survey said they were shy --- t
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to
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From rubbery scrambled eggs to lukewarm mashed potato, airplane meals can be dire. 从炒鸡蛋到微温的土豆泥，飞机餐真是难吃得丧病。 Now scientists think they know why food tastes so strange in the air its down to sound. 科学家们
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Besides the fact that you'd literally die without it, there are many, MANY imperative reasons to drink water frequently, every single day. It starts out pretty mild - you might feel thirsty and have a dry mouth. But the long-term effects of not drink
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保持一个姿势久了，身体就会有发麻的感觉。当你改变姿势的时候，会感到非常的难受：刺痛、痉挛，然后是慢慢恢复知觉。这种发麻的滋味还真不好受。那么，为什么我们的身体会发麻呢？
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So my idea was born,and I had the project set up and a hypothesis, 这就是我的想法诞生的过程，然后，我就有了项目的开展和假说， so what was my next step? 那么我的下一步呢？ Well obviously I had to find a lab to wor
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