Subscribe
UC Berkeley biologists and graduate students delved into the fossil record to compare past animal extinctions — in particular the five “mass extinctions” that occurred within the past 540 million years — with today’s extinctions. They find that, while the rate of extinctions today is higher than during past mass extinctions, conservation efforts could help us avoid a sixth.
Tag: fossils
Scientists find oldest dinosaur, or closest relative yet
December 5, 2012:
UC Berkeley graduate student Sarah Werning and University of Washington post-doc Sterling Nesbitt analyzed a museum fossil collected 80 years ago and concluded that the dog-sized creature may have been the earliest dinosaur yet found, having walked Earth 10 million years before previously known dinosaurs.
