Permian–Triassic extinction event

[pwg]

http://en.wikipedia.org/wiki/The_Great_Dying

[_b8r0]

Old news. Downvoted ;)

Just kidding. This is a really interesting lunchtime article.

[Nursie → _b8r0]

LOL. I was wondering why this might be coming up now...

Always an interesting topic to read about though, especially as this does seem to be the really big one of the known events.