Physical abuse at the hands of their husbands or live-in male partners contributes substantially to major depression and other disorders among women. (p. 323)

The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients. (p. 323)

A new study takes a stab at quantifying the risks that waterborne bacteria and viruses pose to scuba divers. (p. 324)

By piggybacking components of strains of avian-influenza virus onto an existing poultry vaccine, scientists have created experimental vaccines that can prevent bird flu in chickens. (p. 324)

Specialized microbes can lift trapped oil from wells long gone dry. (p. 325)

Caribbean spiny lobsters will avoid sharing a den with another lobster that's coming down with a viral disease. (p. 325)

Carbon nanotubes can squeeze substances inside them with such high pressures that even hard metals squish like putty. (p. 326)

New research has identified a spectrum of interacting elements that contribute to impulsive violence in young people. (p. 328)

Depending on when it's encountered, blue light can be more effective than other hues (or even white light) at waking people, setting their biological clocks, and maximizing visual acuity. (p. 330)

Researchers have shown that they can steer individual protein tubes along tiny channels of a glass chip. (p. 333)

A disinfectant used by some U.S. water utilities dissolves lead in laboratory experiments. (p. 333)

Physicists have demonstrated that spinning a hard-boiled egg horizontally makes it jump into the air. (p. 333)

Although the surface of Saturn's moon Titan is cold enough to freeze methane, it has sand dunes like those in the Arabian Desert, according to radar images taken by the Cassini spacecraft. (p. 333)

Vision screening of a broad sample of people in the United States ages 12 and older finds that 6.4 percent of them have substandard vision. (p. 333)

Horseback-riding herders known as Scythians once traveled far and wide across Eurasia, and their remains contain the parasites to prove it. (p. 334)

Colorful lizards in California may offer an example of a long-sought evolutionary factor called greenbeard genes, a possible explanation for altruism. (p. 334)

Nearly 1 in 10 students at a New England college admits to using prescription stimulants without authorization. (p. 334)

(p. 335)