Sep. 19, 2008
Mars
In this segment, we'll get the big picture on science on the planet Mars. From orbiting observatories to roving rovers to the ditch-digging Phoenix -- what have planetary scientists learned about Mars, and what remains to be discovered?
Aug. 08, 2008
Mars Update
Last week, water in the form of ice was found on Mars. This week, the lander dug up perchlorate, a salt used in fireworks and rocket fuel. What does this mean for possibility of life on the Red Planet?
Jul. 11, 2008
Planetary Science Update
Mars has water ice in its soil -- and could Mercury be shrinking? In this segment, we'll get the latest from around the solar system, checking in with scientists on both the Mars Phoenix and Mercury Messenger space missions.
Jun. 13, 2008
Mars Update
In this segment, we'll talk with the head of the Mars Phoenix mission and get an update on Mars research.
May. 23, 2008
Countdown to Mars
The latest mission to Mars, Mars Phoenix, is scheduled to touch down on the Red Planet this coming Sunday. We'll talk about the mission and what the scientists behind it hope to achieve.
AVAILABLE IN ITUNES
Michael Pollan Talks Plants and Food
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Several newly-discovered species of caterpillar in Hawaii function equally well ...
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From the Vault
Age of Wonder
Ira talks with Richard Holmes, author of 'The Age of Wonder: How the Romantic Generation Discovered the Beauty and Terror of Science.'
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