Stephanie Kwolek, Chemist Who Invented Kevlar, Has Died

Stephanie Kwolek, the chemist who invented the incredibly tough fiber known as Kevlar, died yesterday at the age of 90. She was definitely a "true pioneer for women in science," as DuPont CEO Ellen Kullman noted, and her contributions to engineering and life-saving technology will ensure her memory lives on. » 6/21/14 10:44am 6/21/14 10:44am

The Weirdest Thing on the Internet Tonight: To Hear Your Banjo Play

Pete Seeger—folk icon, hippie messiah, political and environmental activist, all around national treasure—died late last night at the age of 94. In honor of his innumerable contributions to American culture, here he is in 1946, narrating lan Lomax's documentary on the evolution of folk music. » 1/29/14 12:00am 1/29/14 12:00am