The fossilized neck bones of a 230-million-year-old sea creature have features suggesting that the animal's snakelike throat could flare open and create suction to pull in prey. (p. 195)

Disturbed slumber, or sleep apnea, appears to make people more susceptible to certain conditions that lead to diabetes. (p. 195)

A Tasmanian company has developed a poppy that produces a commercially useful drug precursor instead of full-fledged morphine, and a research team now reports how the plant does it. (p. 196)

Physicists have demonstrated a new technique for bringing distant clocks into closer synchronization by means of entangled photons whose quantum properties are mysteriously correlated. (p. 196)

Tracking genetic mutations has given researchers a tentative picture of the migration patterns of the Roma, or Gypsies, over the last millennium. (p. 197)

Two fresh studies strengthen the case that physical activity, including walking at a moderate pace, protects the aging brain from cognitive decline and dementia. (p. 197)

Although today's fossil fuel reserves reside in Earth's crust, a new study suggests that hydrocarbon fuel might also nestle deep in the mantle, at depths of 100 kilometers or more. (p. 198)

The food industry is turning to nanotechnology as it searches for innovations that could bring safer, healthier, and tastier products to consumers. (p. 200)

Understanding whether the information swallowed by black holes is destroyed forever may provide physicists with new clues for unifying gravity and quantum theories. (p. 202)

The field of drug delivery is literally heating up, with the development of a new polymer implant that releases insulin in response to changes in temperature. (p. 205)

People who develop multiple sclerosis are more likely than others to have received a hepatitis B vaccination in recent years. (p. 205)

The 17th-century Dutch artist Rembrandt lacked stereoscopic vision, an optical analysis of his self-portraits suggests. (p. 205)

Scientists have discovered the organic molecule that bacteria use to take up copper, which the microbes then use to chemically crack methane. (p. 205)

A new chemical process for fuel cells powered by hydrocarbons eliminates carbon monoxide that would clog fuel-cell electrodes while also extracting energy from the troublesome gas. (p. 206)

Unexpected but necessary adjustments to a satelliteborne test of relativity theory have slashed the time available to collect data. (p. 206)

Bone marrow–derived cells linger in skin wounds much longer than previously thought, aiding in healing. (p. 206)

Engineers have demonstrated the feasibility of quickly assembling identical microcircuit components by agitating subunits in a liquid. (p. 206)

(p. 207)