Feature

Powerful Ultracentrifuge Is Built Commercially

Astronomers Plan Expeditions to View Total Solar Eclipse

Jerash Had Traffic Rules and Parking Lot in Forum

Greatest Hazard from Meteorite Would Be Hot Air

Brain Waves New Tool for Watching Workings of Mind

New Hormone Promises Help for Diabetics

Remedy for Cystitis May Come from Insecticide

First Glances at New Books

Spotlight Focusing on Mayas; Great Discoveries Expected

Biologist Predicts Babies May Come from “Borrowed” Ova

Wine Warms Skin of Toes; Coffee Makes It Colder

Chemist Extraordinary