Brightsurf Science News & Current Events

October 18, 1997
Clues To Horse Extinction Point To Gritty Grass, Climate Change
A Johns Hopkins paleobiologist has uncovered clues that the horses (and camels and rhinos) that roamed North America millions of years ago went extinct because of climate change that radically changed their food supply. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to