In the May 27 SN: Genetic intruders, seeing Chaco in a new light, an artificial womb, Mars’ origin revisited, domestication of the horse, glimpsing Earth’s glacial past, what’s in a fang blenny’s bite and more.
When the tectonic plate carrying India
slammed into Asia about 50 million years ago,
the ensuing geological changes triggered a long-term cooling trend. That trend later
enabled Antarctic ice sheets to grow, a new study suggests.