Feature

Ski-Type Needle Helps Sew Hearts

New Magnesium Isotope

Check Diet for Vitamin A

Long Microwave System Hints End of Cables

Teosinte High in Protein

Treat Child’s Colds

Traffic Diary Records Problems on Highways

Coldest and Hottest

Atom Spacing Measures Stresses in Minerals

Feed Ramie to Pigs

Harvard University Moves Radio Telescope

New Machines and Gadgets