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00:05:16
This clip introduces the 2006 expedition to remote Kamchatka, Russia. Twenty scientists arrive via helicopter to study the unique microbiology and geochemistry of the hot springs of the Uzon Caldera. Microorganisms that can survive the scalding temperatures and acidity in the springs are called extremophiles, and understanding these organisms helps answer questions about the origin and evolution of life on earth.

00:47:21
On December 11, 2005, Opportunity, one of the twin rovers exploring Mars, celebrated its first Martian birthday. Opportunity had been on the red planet 687 Earth days, which is one Martian year. (A year is the time it takes a planet to make a complete loop around the sun). Join us for a look back over the those 687 days of discovery: what we learned, what we saw, and what questions remained unanswered.

00:45:44
NASA's Mars Exploration Rovers, Spirit and Opportunity, have long outlived their life expectancy of three months. Join us as we sum up the rover data and explain how this information changes our view of Mars.

1:01:08
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient- carbohydrates!

00:29:21
We update on the week's exciting events on Mars and talk about what NASA has planned for future missions to the Red Planet.

00:23:48
How do JPL scientists and engineers talk to the MERs and how do we receive those amazing pictures in return? Find out how, and get the latest updates in this webcast.

00:31:00
With two rovers on Mars, we update you on the latest findings. This week, hear (and see!) more about a tool called Mini-TES, which helps us learn about rocks on Mars.

00:38:00
With two rovers on Mars, we'll update you on all the latest findings. This week, learn more about the Rock Abrasion Tool (RAT).

00:39:50
With two rovers on Mars, we'll update you on the latest findings. This week we hear about Spirit Rover's memory problems, the possibility of water on Mars, and about other missions to the Red Planet.

00:55:00
Two rovers are set to land on Mars during NASA’s Exploration Rover mission. The second, Opportunity, should land today. We’ll review the Exploration Rover mission thus far.