Forget love, biological sex is a battlefield - Boing Boing - 0 views
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Turns out, biological sex determination in mice is kind of an ongoing battle. It doesn’t end during fetal development. It doesn’t even end at birth.
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For now, the main thing we can take away from this discovery is a gentle reminder that our bodies really are weird and wonderful. Even if you’re already used to thinking about gender as a fluid concept, it can be strange to realize how flexible biological sex is, as well. Don’t get too hung up on the idea that “male” and “female” must be set-in-stone categories. Nature certainly doesn’t treat sex that way.
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very interesting summary of research that shows biological sex is much more fluid and nuanced than we think.