Stories by Gordon Shetler

Sun exposure has always been considered the driving force behind rising rates of melanoma. But new research suggests that repeated, long-term use of pesticides may be an important factor, too

Tiny particles of silver--potent antimicrobial agents that can kill bacteria on contact--are becoming increasingly popular in consumer goods. But nanosilver washes down drains and is discharged into waterways, where fish and other aquatic life are exposed