The Body’s Most Embarrassing Organ Is an Evolutionary Marvel
And yet we have very little idea where anuses come from.
“Many of the animals that have managed to keep some version of the anus embellished upon it, and now harbor an organ of immense extravagance. Turtles, like sea cucumbers, breathe through their butt. Young dragonflies suck water into theirs, then spew it out to propel themselves forward. Scorpions jettison their posterior when attacked from behind, evading capture but tragically losing their ability to poop (and eventually dying with their abdomen full of excrement). Lacewing larvae incapacitate termite prey with the toxic flatulence they emit from their end—“they literally KO their enemies with death farts,” Ainsley Seago, an entomologist at the Carnegie Museum of Natural History, told me.”Posted on 2022-03-07T07:41:58+0000