Paleontologists have unearthed the remains of a gigantic birdlike dinosaur, 3.5 meters tall, that lived 70 million years ago in what is now China. (p. 371)

A mutated gene that's overly active in breast cancer cells could offer a new target for cancer drugs. (p. 371)

A little beach plant can recognize its siblings as long as their roots grow in nearby soil. (p. 372)

A new algorithm speeds simulations of chemical reactions by focusing on rare but crucial molecular motions. (p. 372)

An edible vaccine, made by genetically engineering rice, safeguards mice against the toxin produced by cholera bacteria. (p. 373)

Evidence that Mars once had a vast ocean gains support from a proposal that the planet was tipped halfway over on its side several billion years ago. (p. 373)

Three forms of psychotherapy each provide substantial relief from symptoms of borderline personality disorder. (p. 374)

The brain constantly sprouts new neurons, a recently discovered phenomenon that neuroscientists and drugmakers are working to understand and harness. (p. 376)

An international panel's latest report on the impacts of climate change highlights an overlooked need: preparing for droughts, floods, heat waves, and other disasters. (p. 378)

People with chronic schizophrenia get surprisingly modest improvements in memory and learning from new as well as old antipsychotic medications. (p. 381)

The more calcium and vitamin D elderly individuals consume, the greater the number and size of lesions that show up in their brains. (p. 381)

Children in Uganda who contract malaria recover faster with a drug based on artemisinin, derived from Chinese wormwood, than with a longstanding medical remedy. (p. 381)

Except in young females, small blood vessels in rodents lost the ability to precisely regulate blood flow after exposure to an oily constituent of diesel soot. (p. 381)

During the Dust Bowl of the 1930s, immense clouds of airborne soil blocked so much sunlight that much of the Great Plains region was significantly cooler than normal during summer months. (p. 382)

Satellite observations indicate that Arctic regions reflected less sunlight into space in the summer of 2006 than in other recent years, a change that may exacerbate the warming of Earth's climate. (p. 382)

Newly hatched sea turtles use a variety of senses, not just sight, to find their way to the ocean. (p. 382)

Climate change over the coming decades may cause forests in northern portions of the U.S. Rockies to stop absorbing carbon dioxide from the atmosphere and instead become net emitters of the gas. (p. 382)

(p. 383)