James St. John
Researchers have discovered Earth's oceans were warmer 66 million years ago than they are now. University of Arizona geoscientist Jessica Tierney explains how that information fits in with the current conversation about climate change. She will be delivering next week's presentation in the U of A College of Science free lecture series at Centennial Hall.
Jessica Tierney spoke with Leslie Tolbert, Ph.D. Regents professor emerita in Neuroscience at the University of Arizona.
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