Vi Hart: What is up with Noises?

This is another one of Vi Hart’s great explanations regarding the science and mathematics of sound, frequency, and pitch.

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Jessa Gamble: Our natural sleep cycle

Jessica Gamble explains at TED what sleep pattern humans naturally follow.

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Mitchell Wilson : On Being Bullied and Bullying

Mitchell Wilson talks about his experience with being bullied.

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Jefferson Smith: Priceless politics – The secret to making democracy work

Jefferson Smith talks about the importance of democracy for public interests at TEDxConcordiaUPortland.

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Art Carden: The Broken Window Fallacy

Prof. Art Carden of Rhodes College explains the broken window fallacy.

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