Latest USC Dornsife News in the Topic David Bottjer http://dornsife.usc.edu/news/topics/28029/david-bottjer/ USC Dornsife geologists contribute to a recent study that examines the rock record to find evidence that mass extinction events may have been caused by ocean acidification.]]> Tue, 6 Mar 2012 10:02:00 -0500 Global warming is not a novel phenomenon, and by studying what happened to the planet during a period of global warming about 250 million years ago, one USC Dornsife scientist hopes to discover what could happen to us this time...]]> Wed, 12 Oct 2011 09:21:00 -0500 Faculty and graduate students from the USC College Department of Earth Sciences explore the cliffs of England to search for evidence of an ancient ocean crisis.]]> Wed, 19 Jan 2011 09:57:00 -0500