Throughout the living and tech world, lenses focus light to improve the resolution of images. In our eyes, these curved structures are made of cells. Plastic or glass lenses have…

Some endings are easy to predict. Throw a ball in the air and it will fall back down. Run off a diving board and you’ll land in a pool. Stick…

Don’t scratch that mosquito bite! Chances are you’ve heard this advice before — and had a hard time following it. So you may already know that scratching can feel good…

The element carbon is found all over our planet. Carbon helps make up carbon dioxide gas in the atmosphere (it’s the C in CO2). It’s found underground in rocks and…

A strange type of ice has just been observed. It forms at high temperatures and pressures. It possesses traits of both solid ice and liquid water. And researchers have now…

Julianna Hayes is a 10-year-old who lives in New Hampshire. She has a black belt in karate, loves the ice cream flavor “tornado” and wants to be a teacher. She…

Lift (noun, “LIFT”) In physics, lift is a force that enables birds and planes to fly. It acts perpendicular to the flow of air around an object. Consider an airplane…

At about 5 years old, A. Catalina Vélez-Ortega went to her dad with a question: How do human hearts work? He was the right person to ask. Her dad worked…

Sex isn’t as simple as male or female. It’s not just about chromosomes. Or genitals. Or reproductive cells. Or any other binary metric. (Binary refers to something that can only…