New technology illuminates neuronal conversations in the brain (p. 18)

Adding soft tissue to bone helps scientists, paleoartists bring ancient creatures to life (p. 22)

Molecules of the interstellar medium must break the rules to make the stuff of space (p. 26)

Potential finding uses data that push limits of current technology. (p. 5)

Gunshot victims may be more likely to survive if they get to the hospital quickly instead of getting spine stabilization first. (p. 8)

Stem cells carve their own niches. (p. 8)

Protein level in blood reveals graft-versus-host disease, may indicate severity of this complication (p. 8)

Newly discovered trackways much older than previous evidence for sea-to-land transition. (p. 9)

Genetics provide a starting point for diagnosis and potential vaccines. (p. 10)

Researchers have found molecular fossils of an RNA virus in human and other mammalian genomes, pushing back the emergence of RNA viruses millions of years. (p. 10)

The NASA mission uncovers one Neptune-like and four Jupiter-like bodies. (p. 12)

NASA's new infrared observatory is ready for action. (p. 12)

Team finds 33 merging galaxies with 'waltzing' black-hole pairs, suggesting the phenomenon is more common than thought. (p. 13)

Remote flash may have uncovered supernova-generated dust from just 1 billion years after the Big Bang (p. 13)

Researchers have discovered hundreds of African-style stone hand axes on Crete, suggesting that sea-going hominids reached the island hundreds of thousands of years ago en route to Europe. (p. 14)

News from the Archaeological Institute of America's annual meeting in Anaheim, Calif. (p. 14)

News from the Archaeological Institute of America's annual meeting in Anaheim, Calif. (p. 14)

Scientists have detected an elusive, complex symmetry in the frequencies of resonating particles (p. 15)

Nonbinding accord still needs beefing up, negotiators agree (p. 16)

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Review by Rachel Zelkowitz (p. 30)

Review by Bruce Bower (p. 30)

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