Scientific American Frontiers

Season 11 • Episode 5 • Life's Little Questions II

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Scientific American Frontiers Season 11, Episode 5: Life's Little Questions II

0 0 • 60 min • 9.0/10

Why can't you tickle yourself? Is laughter uniquely human? These little questions might have some big answers. Watch Scientific American Frontiers Season 11, Episode 5 Life's Little Questions II in HD free online. Enjoy high-quality streaming of Scientific American Frontiers Season 11, Episode 5 and share your thoughts in the comments below!

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