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Life on Mars?
Does life exist on Mars? That's a question scientists have been asking for decades; one that Sam Kounaves hopes to answer.
Kounaves is a Tufts University chemistry professor who's leading the "Phoenix Mars Mission."
The spacecraft is scheduled to land on the Red Planet on May 25th after a 10-month odyssey. Once it touches down, using robotics, it will conduct a chemical analysis of the Martian soil and ice, looking for signs of life.
Sam Kounaves joined WBUR's Bob Oakes for a conversation about the Mars mission.
This program aired on May 20, 2008. The audio for this program is not available.