4 Logic Riddles ft. SciShow!

Hank Green, Caitlin Hofmeister, and Jessi Castaneda try the Cognitive Reflection Test. Make sure you SUBSCRIBE to BrainCraft! http://ow.ly/rt5IE And I'm on SciShow Talk Show! https://www.youtube.co...

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4 Logic Riddles ft. SciShow!
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