Kathleen Benison on NASA's Mars 2020 Expedition

Kathleen Benison is Professor of Geology at West Virginia University, she is representing the Mountain State as one of 15 scientists selected as a Return Sample Selection Participating Scientist for NASA’s Mars 2020 expedition. She joined Julie Mason to discuss her role as a aid to select the rocks and sediments that will be gathered, or cached, by the Mars 2020 rover.