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May 19, 2021 04:43 pm GMT
Original Link: https://boingboing.net/2021/05/19/why-do-animals-have-butts.html?utm_source=rss&utm_medium=rss&utm_campaign=why-do-animals-have-butts
Why do animals have butts?
The evolutionary story of asses, particularly anuses, remains shrouded in mystery. When did animals go from a one-hole digestive sac to the tunnel we know and love today? Over at The Atlantic, Katherine Wu explores this curious topic in a piece titled "The Body's Most Embarrassing Organ Is an Evolutionary Marvel. — Read the rest
Original Link: https://boingboing.net/2021/05/19/why-do-animals-have-butts.html?utm_source=rss&utm_medium=rss&utm_campaign=why-do-animals-have-butts
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