Archive: 03/07/2012

Mechanism for Burgess Shale-type preservation

The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," the rapid flowering of complex life from single-celled ancestors. ...

Mar 07, 2012 5 / 5 (2) 1

Earth's past is warning for the future

When the Earth’s carbon dioxide level increased at a rapid rate during the Triassic-Jurassic period 200 million years ago, nearly half the ocean’s marine life became extinct. USC Dornsife geologists ...

Mar 07, 2012 4.3 / 5 (15) 51