"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...

Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

Discover 25 Science Facts That Will Amaze You, like why only female mosquitoes bite and how a candle flame contains a million tiny diamonds. Get ready to be amazed by 25 Cool Facts To Brag At A Party!

VIRGINIA BEACH, Va. — The ocean covers more than 70% of Earth's surface, yet remarkably, we’ve explored only about 5% of it. Despite this mystery, what we do know reveals just how vital — and ...