"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 ...

Science is amazing, fascinating, and, if we’re being honest, sometimes absolutely terrifying. While we usually hear about cool breakthroughs and feel-good discoveries, there’s a darker side of science ...

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 ...