Rocks from space killing dinosaurs, and maybe us, at Science Pub in Lebanon this Thursday
Posted by David Brooks | Monday, May 19, 2014
Science Pub at Salthill, the Upper Valley version of science cafe at a very nice Lebanon bar, will be discussing one of the best attract-laymen science topics this Thursday evening:
Extinction of dinosaurs. Death! T. Rex! Space Rocks! More death! It sounds like a Discovery channel show.
As with any cafe, it's audience questions of the panelists (three Dartmouth professors) that will make difference:
A space rock that hit Earth 65 million years ago is thought to have wiped out the dinosaurs. Was that space rock a comet or an asteroid? How do we know, and what is the difference between these near-Earth objects? Another astral impact about 13,000 years ago is believed to have triggered a dramatic climate shift globally, with far-reaching effects on both animals and humans. Why were larger mammals affected by these collisions? Are humans at risk of species extinction from a future astral collision? This is your turn to ask