Kwolek, a DuPont scientist, invented the remarkable fibers — lightweight, flexible and five times stronger than steel — that are used around the world in bulletproof body armor.
At least 51.2 million people are now living under forced displacement, a U.N. agency says. If all of them were put into one country, it would be the 26th largest in the world.
Yo is an app that does nothing but let you send a voice message to your contacts saying "Yo." Is it worth the $1 million investors seem to think it is?
You don't question them. You don't doubt them. You hear them so often, you wouldn't know they are lies. Here are five historical "facts" that aren't true. Never were. And now you'll know.