Olson's Extinction: The Permian's Dirty Little Secret Die-off

It's the mass extinction you probably haven't heard about, because for a long time researchers have questioned whether it even existed. But a growing body of evidence, including a study published today, has strengthened the case for Olson's Extinction — which played a role in our species eventually dominating the planet, for better or worse (mostly worse). For whatever reason, people seem to dig mass extinctions. At least the ones in the past. Far fewer folk are entertained by (or eve