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The Co-Evolution of Organisms and Their Environments

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Date and time
Tuesday, March 08, 2016

**Dr. Andrew Knoll** explains the relationship between the evolution of life and the environment and his own very significant contributions to modern methods of identifying the chemical traces of life in ancient rocks. He also describes his work on NASA's Mars Exploration Rover mission, which has been concerned with analyzing the geological history of that planet. (Photo: [Flickr/Ian Boyd](https://www.flickr.com/photos/itsaboyd/2896458550/in/photolist-bwNGvd-8EZ3ME-8jzTXT-6xe2Xo-8GyTqQ-8GvFNx-8GyUcA-9Ke1bp-5pX7dw-8VGWjN-8WmWdE-9KgPjJ-8UW5WT-8XbYvU-9KgPAN-8kRtdQ-jPeqv6-8W2UCA-9BjXoq-9KgPEN-8X8Uee-8Va7Wc-8GYSGL-8YGRgQ-8GVJkB-8GZWVj-8Gywpu-BSA64w-B5EVfG-BtEHwP-BUU5iz-B5LEBk-C3bstM-BUU35r-BtEJ4F-9KgPys-8VdaVS-8GyxKW-8VArAc-8VdqM3-9KgivR "Fossil Cover"), image cropped)

Andrew Knoll, Ph.D., is the Fisher Professor of Natural History and Professor of Earth and Planetary Sciences at Harvard University. He is a member of the National Academy of Sciences, the American Academy of Arts and Sciences, the American Philosophical Society, and the American Academy of Microbiology. Dr. Knoll has received many prestigious awards for his outstanding research on the interdependence of the evolution of life and the evolution of our planet. He is also the author of \_Life on a Young Planet: The First Three Billion Years of Life on Earth\_ (2003).