"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Since its invention, Kevlar has saved thousands of ...

Thousands of police officers and soldiers who were saved by a bulletproof vest owe their lives to a Delaware woman named Stephanie Kwolek. Kwolek, who died Wednesday, was a DuPont Co. chemist who in ...

A new super-strong fiber could revolutionize bulletproof vests and protective gear. Thanks to a breakthrough by researchers in China, the material is stronger, tougher and more effective at stopping ...