"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 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.

Did You Know: 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 ...

The NASA Hubble Space Telescope, which is hundreds of miles above the Earth, has been taking incredible pictures that help with future studies and research. But to learn more about the telescope. Here ...

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 insects, the critters whose combined weight on the planet is 70 times that of all humans. When you purchase through links on our site, we may earn an affiliate ...

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 ...