411: You’ve Gotta’ Optimize

Can sharks get tuberculosis? Why create your own products rather than promote existing products? Where did I exist before I was born?  How do I deal with fear of missing out on memes? Is this a sleep podcast or a workout podcast?  How do bones heal?  Why are envelopes the size they are?  How big and dense are neutron stars?  …Hank and John Green have answers!

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