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Using thermal imaging, this video explains how chemical hand warmers work as well as how the solution inside them is made. (5:07 min.)

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Tesla and SpaceX CEO Elon Musk exudes confidence and know-how, both essential elements of good entrepreneurship. But according to TED's Chris Anderson, what sets Musk apart from the rest is the massive respect he has for the science behind his investments. (2:08 min.)

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Is the construction of a space elevator viable? Or is it science fiction? This video addresses what a space elevator would like, what it could be made of and the challenges involved in building one. (5:25 min.)

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Natalie S. Hodge defines the four major blood types and sheds light on why some bloods can mix while others cannot. (4:41 min.)

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It’s official: you’ve got the flu. It’s logical to assume that your symptoms are the result of the infection coursing through your body — but is that really the case? (5:00 min.)

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With the creation of graphene supercapacitors, it is now possible to create an extremely powerful graphene battery that is both small and light. (4:23 min.)

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The gold we find on Earth did not come from our planet’s rocky crust. It was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. So gold is really extraterrestrial! (4:34 min.)

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We’ve all had the experience: you’re walking across a soft carpet, you reach for the doorknob and … ZAP. But what causes this trademark jolt of static electricity? (3:38 min.)

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It’s so obvious that it’s practically proverbial: you can’t unboil an egg. But actually, it turns out that you can -- sort of. (4:09 min.)

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Today, over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. (4:33 min.)

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