Science Thursday: Why you get goosebumps

Why humans get chills whenever we get scared or hear some cool music

This week's AsapSCIENCE YouTube video blog discusses the evolutionary reasons that human beings get goosebumps on their arms whenever it gets cold, when they get scared or hear some interesting pieces of music.

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I'm sure this doesn't apply to listening to Nickelback (or does it?).

For another viewpoint on the science of fear, check out this older video, by the "PositivelyCleveland" YouTube channel:

Anyone get chills watching these videos? I did.

Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.

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