Who Knew?
Innovation
Oops, IOU? How the World's First Modern Credit Card Was Invented.
The scrappy entrepreneur who created the credit card, as legend has it, might have experienced an embarrassing situation that led to inspiration.
Thought Leaders
How an Industrial Oops Led This Gunk to Become a Stretchy Smash-Hit Toy
The surprising story of how Silly Putty accidentally sprang from a wartime dilemma.
Innovation
The Greasy, Glamorous Rise of Mascara
You won't believe the grimy gunk people used to smear on their eyelashes -- and still do.
Leadership
The Fasten-ating History of the Humble Zipper
In which we unzip the up-and-down origins of the little mechanical wonder that keeps your pants from falling down.