The simplest questions can carry you out to the edge of human knowledge.
Here’s three of them. Go ask some more :)
I'm Joe Hanson, a Ph.D. biologist and science writer based in Austin, TX. I'm the creator/host/writer of PBS Digital Studios' It's Okay To Be Smart. Subscribe on YouTube by clicking below:
"Everyone's favorite Feynman of the Tumblr era" - Maria Popova
Joe's science book recommendations, from brains to biology to space to art to physics.
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