To understand how Earth’s climate system has changed over time, scientists need to find, develop and use natural recorders of temperature and precipitation. One natural thermometer comes in the form of alkenones: trans-fats produced by certain algae.
Meet Dr. Ethan Brodsky from the U. of Wisconsin, who advised a group of undergraduate students in the design and build of an electric snowmobile. Video produced by Ice Stories correspondent Zoe Courville.
The Mars Phoenix Lander will have been collecting data and sending it back to earth for a month! Exploratorium Senior Scientist Paul Doherty will examine the data and tell us what new information we've gained about Mars. We'll also get an update on our old friends, the Mars rovers Spirit and Opportunity!
Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, the Jim Clark Endowment for Internet Education, the McBean Family Foundation.
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