SciShow explains why stars do that twinkling that all the kids are singing about, and explains how astronomers can get around it to make observations, and wh...
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Web cartoonist Randall Munroe answers simple what-if questions ("what if you hit a baseball moving at the speed of light?") using math, physics, logic and de...
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WATCH "What's the Damage?" on Cinema Sins: http://youtu.be/yCLhtqdRoTo SUBSCRIBE: http://bit.ly/1gAEtTd ***CLICK "SHOW MORE" FOR LINKS*** What If? that has h...
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Founded just 10 years ago, the Harvard Stem Cell Institute has grown into the world's leading center of stem cell science. With more than 100 principal investigators and more than 1000 scientists...
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