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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?
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 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.
In this segment, we'll talk with the head of the Mars Phoenix mission and get an update on Mars research.
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.
Doctor Jordan Metzl says specific cardio and strength training regimens can trea...
Exercise scientists Tamara Hew-Butler and Greg Whyte talk about how the body cha...
Can regular mental exercise help slow down the progress of dementia?
Can exercise help keep aging brains healthy?
New York Times science writer William Broad’s book investigates popular health c...
Could popping a pill turn a couch potato into a long-distance runner?