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Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t
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Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A
英语时差8，16
Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak
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今天我们要学的词是 headhunter。Headhunter 猎头。Headhunters are usually people who are experienced in sales, marketing, and telemarketing. 当猎头的往往是那些具备一定销售，推销和电话推销经验的人。Most headhunte
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现在P图软件越来越发达总是有人把自己P得爹妈难辨，这种照片，人们会叫做照骗。 每天起床后宝宝都要不开心很久，我们又把这种叫做起床气，里约奥运会张继科有着全宇宙最大的起床气。
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How to Create Passion Anywhere and Anytime Remember Science class? Mr. Thatcher, sophomore year in high school, taught us about potential and kinetic energy. I was way more interested in Pam Miller, who sat perilously close to me. But on Mr Thatcher
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