In the race to make things disappear, scientists gain ground on science fiction (p. 18)

Chimp chasers join artifact extractors to probe the roots of stone tools (p. 24)

A NASA model incorporates how atmospheric aerosols and greenhouse gases interact, yielding better estimates of the gases' warming and cooling effects. (p. 5)

Bacon, cheesecake and Ho Hos elicit addictive behavior in rats similar to the behavior of rats addicted to heroin. (p. 8)

Study of rhesus monkeys shows running protects dopamine neurons from death. (p. 8)

Researchers pinpoint individual brain cells that respond to particular people and objects. (p. 9)

More news from the Society for Neuroscience meeting (p. 9)

A modern survey of terrain determines flow rate of the 1889 flood that was one of America's deadliest disasters. (p. 10)

The now-extinct animals had a hippo-like diet (p. 10)

Scientists argue a newly discovered stretch of DNA essential for larynx development may have allowed the evolution of language. (p. 11)

An excessive number and low diversity of skin bacteria could explain why wounds in diabetics are slow to heal (p. 11)

A new study pinpoints migratory songbirds’ magnetic compass in a specific brain region. (p. 12)

For on spider species, feeding on blood-gorged mosquitoes adds charm to a mate (p. 12)

Study suggests three dinos placed in separate taxa are actually from one group at different growth stages (p. 13)

When mistaken for females, the guys release an alarming pheromone. (p. 13)

A new study eliminates some theories of quantum gravity by finding that spacetime isn’t as lumpy as some models had proposed. (p. 14)

A mother lode of 32 newly discovered planets brings the number of known extrasolar planets to more than 400 and suggests that lightweight planets are common around sunlike stars. (p. 14)

New observations reveal a dense ribbon structure that current models don't explain. (p. 15)

Drugs that alleviate severe mental disorders can also result in troubling metabolic changes. (p. 16)

Study of about 4,000 pregnant women shows link between newborn health and whether mom got vaccinated (p. 16)

Data suggest illness is less likely to be fatal in those taking statins (p. 16)

Warning signs emerge in the use of an old drug effective against resistant microbes. (p. 16)

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Review by Sid Perkins (p. 30)

Review by Nathan Seppa (p. 30)

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Review by Janet Raloff (p. 31)

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