"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 ...

If you're looking for weird facts about animals, gross human body facts or just something a bit random, get ready to geek out with these fascinating bits of trivia. When you purchase through links on ...

Read on for some chilling curiosities from the creatures of the Smithsonian’s National Zoo and Conservation Biology Institute. Mike Bock Warning: The following animal facts are extremely creepy and ...