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Weighing the Benefits of the I-suit
Topic: Moon to Mars
Summary: Considering that space suits can weigh upwards of 200 pounds, you'd think that the lighter the suit, the easier it would be to work in. Not necessarily so, says geologist Dean Eppler. In this interview he explains why other factors can be more important than weight.

Making a List, Checking It Twice
Topic: Moon to Mars
Summary: When you're on the moon, trying to fix some broken equipment, you don't want to waste time fumbling around in oversized gloves trying to read the instruction manual. NASA's solution: make the operations checklist electronic, and mount a display inside an astronaut's helmet. Geologist Dean Eppler, who recently tested just such a system (albeit on Earth), says it works pretty well.

Learning to Work in the Suit
Topic: Moon to Mars
Summary: What's it like to walk around on Mars in a space suit? No-one knows for sure. But geologist Dean Eppler has come as close as anyone. In this interview, he talks about his experience working in the Mark III experimental suit, as part of this year's Desert RATS field season.

Sunshine on Comets: Part 2
Topic: Meteorites, Comets and Asteroids
Summary: Jessica Sunshine is the Deep Impact mission scientist responsible for the onboard infrared spectrometer. In the second half of this two-part interview, she discusses whether Deep Impact has altered our ideas of how comets are formed and how important they've been in Earth's history.

Sunshine on Comets: Part I
Topic: Meteorites, Comets and Asteroids
Summary: Jessica Sunshine is the Deep Impact mission scientist responsible for the onboard infrared spectrometer. In the first half of this two-part interview, she discusses what the comet's nucleus looked like before and after impact, and explains why it's so difficult to piece together the spectroscopic data.

The Living Worlds Hypothesis
Topic: Titan
Summary: When the Cassini-Huygens mission parted Titan's smoggy veil, it revealed a familiar and yet utterly alien landscape, one where now-dry methane rivers carved out channels in mountains of ice. There's no evidence for biology on Titan's frozen terrain, but in this interview with Astrobiology Magazine, David Grinspoon ponders whether life could exist there today.

By Design
Topic: Origin & Evolution of Life
Summary: Brother Guy Consolmagno, astronomer to the Vatican, discusses his views of the controversy over intelligent design, as well as the historical clashes between science and religion.

M Dwarfs: The Search for Life is On
Topic: Alien Life
Summary: M-dwarf stars, much smaller, dimmer and cooler than stars like our sun, are by far the most common type of star in our galaxy. Yet scientists searching for life on other worlds have not shown much interest in M dwarfs. That's about to change.

A Comet's Only Cameraman
Topic: Meteorites, Comets and Asteroids
Summary: No one knew what to expect from the Deep Impact collision between a ballistic spaceprobe and a comet. But scientists sat down with digital effects specialist, Dan Maas, to take a guess. As it turns out, both Maas and the scientists got it right in a spectacular visualization of what it might be like to broadside a comet.

Elusive Earths
Topic: New Planets
Summary: What have scientists learned in a decade of searching for extrasolar planets? Are there other solar systems just like our own waiting to be discovered, or are our Sun and its contingent of planets in some way unique?
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