Feature

Women Can Equal Men in Learning Gun Assembly

Books of the Week

Corn Cobs as Diet for Sheep

Unstable Chemicals in Cigarette-Cancer Link

Rabbit Chases Snake in Switch of Roles

Nature Ramblings: Mole Meets Atom

Foreign Travel Makes Executive More American

Movies’ Effect Depends on Mood of Audience

New Machines and Gadgets

Front Matter

Cells Resist Chemicals

Males Become Mothers but Have Sons Only