Science, February 13, 2009

Cover
An image of Mare Moscoviense on the lunar
farside, taken by the Terrain Camera aboard the SELENE (Kaguya)
spacecraft on 17 January 2008. Crater frequency distributions derived
from such images yield ages of about 2.5 billion years for several
volcanic deposits in this mare, indicating that volcanism on the lunar
farside lasted about 500 million years longer than previously thought.

Tales of a Prehistoric Human Genome
After a mad scramble, researchers have completed a rough draft of a female Neandertal genome, which will offer a new view of Homo sapiens as well as our extinct cousins.

Phoenix Rose Again, But Not All Worked Out as Planned
For
better and for worse, Phoenix often wandered from its scripted mission
on Mars, but there was some groundbreaking science behind the often
distracting headlines.

Network Analysis in the Social Sciences
Over the past
decade, there has been an explosion of interest in network research
across the physical and social sciences. For social scientists, the
theory of networks has been a gold mine, yielding explanations for
social phenomena in a wide variety of disciplines from psychology to
economics.

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