Peter Smith

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?

mars, planet, planetary exploration

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?

mars phoenix lander

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.

mars, nasa, planet, space, mercury

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.

mars, planetary, water, space

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.

mars, planet, exploration, matina, exobiology

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Michael Pollan Talks Plants and Food

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Mystery Box

Another Reason To Spike That Eggnog

\tIt is a question on the minds of many people this season: will adding alcohol to the homemade eggnog safeguard against salmonella? To find out, Science Friday teamed up with eggnog expert and microbiologist Vince Fischetti, who agreed to run some tests in his lab at The Rockefeller University. What did you think of the video?

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