Prehistoric climate shift linked to cosmic impact
Monday, September 2, 2013 - 16:30
in Paleontology & Archaeology
For the first time, a dramatic global climate shift has been linked to the impact in Quebec of an asteroid or comet, Dartmouth researchers and their colleagues report in a new study. The cataclysmic event wiped out many of the planet's large mammals and may have prompted humans to start gathering and growing some of their food rather than solely hunting big game.