People with three particular variations within the gene that encodes the protein calpain-10 face triple the risk of getting type II diabetes. (p. 212)

A new computer model may help explain how earthquakes can happen at fault zones located far from the edges of a tectonic plate. (p. 212)

The process of remembering an event reactivates brain regions that were involved in initially seeing or hearing the event. (p. 213)

Flawed insulin activity may lead to blood changes that foster atherosclerosis, even in people who don't have diabetes. (p. 213)

New findings may help explain an enduring solar riddle: Although the sun's outer atmosphere lies thousands of kilometers above the visible surface of the sun, it's about 1,000 times hotter. (p. 214)

In a newly proposed scenario, polyploidy may trigger perfectly good hermaphrodite plants to evolve gender forms. (p. 214)

Carrying out a widely used chemical reaction on one molecule at a time, researchers demonstrate unprecedented control of molecular behavior and, possibly, the ability to make novel nanotechnology devices and compounds that can't be created with ordinary chemistry. (p. 215)

A new computer model based on particle interactions suggests ways to prevent a panicked crowd from stampeding. (p. 215)

Carving this beloved hole in the ground may not have been such a long-term project. (p. 218)

The search for new contraceptives for men. (p. 222)

Physical abuse and neglect appear to undermine preschoolers' emotional development in different ways. (p. 216)

Happiness, sadness, and other basic emotions activate unique networks of brain areas that track the body's internal status. (p. 216)

A controversial theoretical proposal that challenges more than a century of theory and experiments suggests that loose electrons in liquid helium may break into pieces, dubbed electrinos. (p. 216)

Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach. (p. 221)

Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life. (p. 221)

Scientists have developed biodegradable plastics that release natural germ-killing agents onto the foods wrapped inside. (p. 221)