I Didn't Know That!

I Didn't Know That!


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Ancient dental hygiene?; Do humans have a heart-brain?; Did arctic activity spark biological explosions?

September 03, 2013

Episode #279: Ancient dental hygiene?; Do humans have a heart-brain?; Did arctic activity spark biological explosions?

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I Didn't Know That!
By Reasons To Believe
Where RTB scholars offer unscripted answers to your questions
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