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The Blood of the Young, Crustacean Bioweapons, and Our Oldest Ancestor

02.06.2017 - By iHeartPodcasts and HowStuffWorksPlay

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A proposed anti-aging treatment transfuses young people's plasma into old people's blood. A species of boxer crab clones and carries sea anemones as weapons. Plus, the oldest known ancestor of all vertebrates was a wee sack of teeth.

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