"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 ...

Find out how much you know with these random facts and trivia questions on movies, music, history, science, geography and so ...

Water is made up of H₂O molecules that are polar, meaning they have a slightly positive side and a slightly negative side. This polarity creates strong cohesion, causing water molecules to attract one ...

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 ...

Did you know? Sound from another planet, the wind on Mars, has been recorded and made audible with the help of headphones and ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

Mothers are so familiar that sometimes their mysteries are overlooked. As I dove into the research for my new book Mom Genes: Inside the New Science of Our Ancient Maternal Instinct, I began to see ...

Discover interesting facts about Mars, its moons, its atmosphere, and the possibilities of life. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.