Videobreak: Rob Dunbar – The threat of ocean acidification

Videobreak: Andrew Bird – Masterswarm

This one’s not entirely off-topic. He mentions an important paleoceanographic / climatic proxy.

Videobreak: Lonnie Thompson on ice core records in a warming world

See more at the AMNH. [Via CF]

Let the gnashing of teeth commence

I’m sure this will be met with reasoned and civilized discussion. Doesn’t seem to be online yet.

[UPDATE: Here is the paper with a stable url that won't go dead once PNAS moves it from the early edition. And I see a certain site managed three catty threads in a half a day on it before it even hit PNAS online. You'd almost think someone was a little... bitter.]