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  • Why are so many people watching science videos online?
  • Why are so many people watching science videos online?
    Mount Saint Mary College (2012) ©
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How YouTube made science cool

Water-cooler chat used to be dominated by last night's TV, but now people are discussing pop science and the latest Brian Cox viral. Over 450,000 people tune into TED Talks every day, while homemade science videos have millions of views. So how has YouTube made science sexy?