"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 ...

Discover 25 simple yet mind blowing facts to tell your kids! Spark their curiosity with amazing animal, space, and human body ...

Discover 100 Fun Facts That Are Really Fun To Tell! Impress everyone with surprising science, animal oddities, and historical ...

After years of getting your emails and phone calls, we know that SciFri listeners are in the 99th percentile when it comes to nerdy knowledge. We’re putting your fact retention skills to the test with ...