Starting about 250 million years ago, at the end of the Permian period, brachiopod groups disappeared in large numbers, along with 90 percent of the planet's species. Today, only a few groups, or genera, of brachiopods remain. ...
Archaeology
Mar 26, 2014
0
0
A basic tenet underpinning scientists' understanding of extinction is that more abundant species persist longer than their less abundant counterparts, but a new University of Georgia study reveals a much more complex relationship.
Archaeology
May 8, 2012
0
0
From fossilized brachiopods, fish lungs and iPhones to mouse hearts and habanero chilies, Cornell's micro-CT (computer tomography) scanner provides spectacular and colorful 3-D datasets from the inside out.
Other
May 24, 2011
0
0
