The simplest questions are often the best. Robert P Crease tries to answer one from a physics student in Kenya Seeking perfection Tennis balls are a low-cost way to explore simple physics concepts, ...

Simple machines make work easier to do. But how? Join Joan at the Discovery Center of Idaho as she tries various experiments with simple machines. Science Trek is available to stream on pbs.org and ...

My name is Dr. Kate Biberdorf, but most people call me Kate the Chemist, and I am so excited to share some easy science experiments you can do with kids at home. For years, I’ve been bombarded with ...