Feature

Canola Could Provide a New Fat on the Farm

Cocaine Use Boosts Heart-Attack Risk

Computers

Sex Ratios: Bad Times Wallop Extra Sons

Science News Books

Depressed Smokers Ride Immune Downer

Rooting out Dormant HIV-Infected Cells

Materials Science

The Search for Animal Inventors

Correction: Battle of the Sexes

Waterways Carry Antibiotic Resistance

Science & Society