Geomorphology

Mars air once had moisture, new soil analysis says (SpaceRef)

2 Jul 2008

A new analysis of Martian soil data suggests that there was once enough water in the planet's atmosphere for a light drizzle or dew to hit the ground, leaving tell-tale signs of its interaction with the planet's surface.

Will Geyser Valley ever recover? (Russian Information Agency Novosti)

1 Jul 2008

RIA Novosti commentator Tatyana Sinitsyna interviews Yevgeny Rogozhin, Ph.D., deputy director of the Otto Schmidt Institute of Physics of the Earth at the Russian Academy of Sciences.

A Case for No-Till Farming [Features] (Scientific American)

30 Jun 2008

Can a lobster ever truly have any emotions? What about a beetle? Or a sophisticated computer? The only way to resolve these questions conclusively would be to engage in serious scientific inquiry--but even before studying the scientific literature, many people have pretty clear intuitions about what the answers are going to be. [More]