Nearly half of Americans believe aliens have visited Earth, according to a poll. The Drake equation explores the chances that detectable alien civilizations exist using seven variables. While some predictions that use the equation are optimistic, a comprehensive new study suggests a strong likelihood that we’re alone in the Milky […]
VIDEO: E=mc^2 is one of the most famous equations. Not many, however, know exactly what it means. David Bodanis, the author of "Einstein's Greatest Mistake", breaks down the concept into simple terms.
