Real Climate has a brief discussion of some recent research connecting the Younger Dryas cooling with a comet impact event.
They point to Open Mind which has some very interesting discussion.
Just FYI...
More like this
One of the most interesting and exciting stories in science is that of the Younger Dryas.
A paper in Nature Geoscience published early this month was much derided by the usual suspects in the pseudoskeptic community.
Nanodiamonds in the Younger Dryas Boundary
tags: bolide, mammals, mass extinction,