Scientists have found a way to convert a person's skin cells directly into stem cells without creating and destroying embryos. (p. 323)

The other residents of a plant's neighborhood can make a big difference in whether evolutionary forces favor or punish a plant's trait. (p. 323)

Inspired by the quick-shut action of the Venus flytrap, researchers have designed a patterned surface with microscale hills that can rapidly flip to form valleys. (p. 324)

The moon's orbit and the dilated time of speeding atoms give new meaning to 'Einstein was right.' (p. 324)

An HIV vaccine hurts, not helps, the immune systems of mice, say scientists. (p. 325)

Nigersaurus boasted more than 500 teeth, arranged in rows across its mouth. (p. 325)

An emerging protozoal disease has begun to trigger mass die-offs of frog tadpoles throughout much of the United States. (p. 325)

Smoking before pregnancy or during breastfeeding might impair the female offspring's fertility, a study in mice shows. (p. 326)

Faced with two contrasting reports on the science of sex differences in mathematics and science aptitude, researchers at a meeting held in October tried to figure out what's really known about this controversy and how the findings apply to education and test taking. (p. 328)

Despite computer models and wind tunnel tests, bridges show surprising vibrations and movements that engineers are still learning to cope with. (p. 331)

A novel sensor the size of a rice grain can detect magnetic fields as small as those produced by brain or heart waves. (p. 333)

If honeybees somehow vanished, the pockets of wild land in the Delaware Valley still harbor enough native bees to fill in and do the tough job of pollinating watermelon farms. (p. 333)

With the discovery of a fifth planet circling the nearby star 55 Cancri, astronomers have found the most abundant—and heaviest—planetary system beyond the sun's. (p. 334)

When damaged, networks that seem resilient can still become inefficient to the point of being unusable. (p. 334)

Growing nanowires directly on a crystal might lead to high-density memory chips and transparent LEDs (p. 334)

Up to 20 percent of 9/11 workers in New York City experience symptoms of gastroesophageal reflux disease, also called acid reflux. (p. 334)

(p. 335)