On Being with Krista Tippett cover image

[Unedited] Nicholas Christakis with Krista Tippett

On Being with Krista Tippett

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The Evolution of Feather

Evolution equips an organism with a feature that originally is evolves to serve one purpose, and then suddenly, once it is there, can be used for a different purpose. This is called a pre adaptation or an axaptation. The first thing to evolve in women was love of babies. So many men who feel like when their partners look at them, you know, she's looking at them as if they were a babyiit may be true.

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