About 250 million years ago, at the end of the Permian period ... The only sound was the wind through the acid-tolerant weeds. "The forest that grew here a few decades ago contained dozens ...

The findings challenge one prevailing theory about the Permian mass extinction event ... not transported by wind or other elements. The scientists did detect SOME extinction in the area during ...

Get Instant Summarized Text (Gist) The Permian mass extinction, 252 million years ago, was linked to a 10°C rise in global temperatures due to massive volcanic CO 2 emissions. This led to climate ...