AOL Co-Founder Probes Smithsonian Geologist John Grant About Finding Life on Mars

Name: AOL Co-Founder Probes Smithsonian Geologist John Grant About Finding Life on Mars
Uploaded: 2018-11-06
Duration: 934640
Description: John Grant explains how in the near future we are going to know if life exists elsewhere in the universe

John Grant explains how in the near future we are going to know if life exists elsewhere in the universe (15:34)