Planetary Radio • Apr 05, 2004
Life on Mars...and Earth
On This Episode
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Andrew Knoll
Harvard biologist and science team member for Mars Exploration Rover mission
We visit Harvard biologist Andrew Knoll for a conversation about finding life on the red planet. Emily Lakdawalla is seeing red on another of Earth's neighbors, and Bruce Betts spins a tale of Death Stars, cockroaches and trivia contests on What's Up!