"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 100 interesting facts to fuel your next conversation! Break the ice, spark curiosity, and become the most engaging ...

Even if you weren’t someone who got excited about science class in school, now—as an adult—it’s hard not to be amazed by science facts. Seriously, just stop for a minute and think about what both the ...