Brenna Hassett: Why We Are Weird
Clear+Vivid with Alan Alda
00:00
The Evolution of the Birth Canal
Human babies, the way I like to think of it, we are these investment sinks. So that kind of shows up in how much our babies take from us. How much our babies need to grow their special particular humanness. And you end up with what you could euphemistically call the sofa in a stairwell problem.
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