Last fall, NASA announced that it found something incredible in a rock on Mars. A core sample obtained by the Mars Perseverance rover discovered a potential biosignature. In other words, a potential sign of ancient life on Mars. Dean Regas chats with Kathryn Stack Morgan, Perseverance project scientist at the Jet Propulsion Laboratory, about this chemical "fingerprint."
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FROM THE ARCHIVE: Problem Solving in Space (with Andy Weir)
Searching for Life in Mars' Watery Past (with Dr. Andy Czaja)
Somewhere Over the Moonbow (with Jeff Pfaller)
How a 1925 Airship Crash Shaped an Ohio Town (with Kendall Crawford)
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