Show #105, Hour 1 | Guest: Mary Beth Wilhelm is currently a Civil Servant in the Planetary Science Branch at NASA Ames Research Center, a PhD Candidate at Georgia Tech and am a National Science Foundation Graduate Fellow. | Show Summary: The impact of the discovery of water on Mars may not be known for decades, but astrobiologist Mary Beth Wilhelm has been interested in Mars since her teens. She\u2019s the co-author of the report confirming water\u2019s presence on the Red Planet.