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Japanese scientists who studied an unusual method of delivering oxygen in mammals hope to one day try it in people.

Finally in 3-D: A Dinosaur’s All-Purpose Orifice This cloaca is more than 100 million years old, and it did a lot of work for this extinct species. A reconstruction of Psittacosaurus showing how the cloacal vent might have been used for signaling during courtship.Credit...Bob Nicholls/Paleocreations.com 2020 Jan. 19, 2021 The world’s oldest known all-purpose orifice sits in a fossil display case in the Senckenberg Natural History Museum in Frankfurt, Germany, so close to the glass that enshrines it that you can “put your face up to it, like this,” said Jakob Vinther, a pal...

Science writer. pretty good moniker. mary roach. she's written about the science of sex and the curious science of life of the void. her latest book out this week is "gulp: adventures on the elementary canal". it's one of those words i always saw written, but had a hard time. elementary. >> you can say it however you want. >> how did you decide on this topic? >> okay, i'm going to tell you this. i was talking with a reader who happened to be a gastrointerologist. we were talking about the whole digestive tract. he says -- he goes, think of it. nobody appreciates their digestive tract. the huma...

Gastrointerologist. he says -- he goes, think of it. nobody appreciates their digestive tract. the human anus, this is a rim of muscle, the nerve that can discredi discriminate between solid, liquid, and gas and selectively decide what to let go. he was like no one appreciates their parts, okay? it's pretty miraculous. >> maybe you don't want to talk about it. you said people like what they eat rather than eat what they like. what does that mean? >> that has to do with the fact that we talk about if someone's a picky eater and trying to change people's eating habits, if you get somebody to jus...