Scientists are eavesdropping on volcanoes, avalanches, earthquakes, and meteorites to discern these phenomena's infrasound signatures and see what new information infrasound might reveal. (p. 26)

After all the holiday partying, it's probably time for most people to get back in the habit of checking the labels on food. Which frozen desert has less fat per serving? Which cereal has the recommended amounts of iron and folic acid?But do those nutrition fact boxes on packaged foods supply the information that people really need? Two new reports suggest that they don't.Nutrient labeling of food has existed to varying degrees in the United States since 1941, but the nutrition fact box familiar to today's supermarket shoppers was designed in the early 1990s. By federal law, packaged foods must...

Cirrus cloud formation is influenced by the particles in the atmosphere, including pollutants. (p. 356)

Microscopic needles may provide a painless alternative to syringes and patches. (p. 341)

Snippets of RNA that control biochemical reactions by squelching the creation of specific proteins play a role in the development of leaves. (p. 312)

Planting crops in south Florida may have increased the risk of the freezes farmers hoped to avoid. (p. 292)

A long-lost asteroid that came close to Earth in 1937 has been spotted again, and its projected path steers clear of Earth. (p. 277)