Quick! Imagine a beaver. Did you picture a furry, water-loving creature with long teeth and a pancake-flat tail? Us, too! A beaver’s thick, wide tail is one of its most iconic features, but why does it have one? We asked naturalist and science communicator Lucy Lapwing to help us find the...

“Junk food” is a term you might have heard before that refers to foods that have a lot of calories but not much nutritional value - like cookies, candy and chips. But why does food that is often referred to as “junk” taste anything like junk, and what’s up with that term anyway? We asked...