Feature

Science & Society

Sex Ratios: Bad Times Wallop Extra Sons

Depressed Smokers Ride Immune Downer

Rooting out Dormant HIV-Infected Cells

Back Matter

Correction: Battle of the Sexes

Canola Could Provide a New Fat on the Farm

Cocaine Use Boosts Heart-Attack Risk

Computers

Powdered Platinum Sheds All Resistance

Beta, Gamma, What’s the Problem?

Irreverent Exhumation