"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 interesting facts about where sharks live, how big they can get, and how likely it is to get bitten by one. When you purchase through links on our site, we may earn an affiliate commission.

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of the ...

No matter what scenario you use these in, they are sure to delight, incite curiosity, and enhance your day. If you can’t get enough of these wacky fun facts, we have a host of others that you can read ...