Feature

Cattle Ticks Controlled

[Photograph]: Brown Bear

Sulfuric Acid’s Future

Very Red Stars Are Easily Detected

Polio Cases Are Less than This Time Last Year

May Replace Dentist’s Drill

[Photograph]: General Motors Center

Single-Seater Combats High-Flying Raiders

In Science Fields

Amputees Can Drive

Unaware of Others

Nature Ramblings: Routing the Ragweeds