Feature

Missile Failures Important

Robot “Brains” Figure Electric Power Schedules

Improved Storm Forecasts

Chickens Are Having Heart Beats Studied

[Photograph]: Highest Speed

Balloon Lifts Two Tons 104,000 Feet

Excessive Smoking Bad

Food Facts and Fables

Worms, Insects, Spiders Share Common Ancestor

Enzyme Aids Healing

[Photograph]: Silent Sound Waves

Polio Immunity Increases without Salk Vaccine