Science Facts About Cats

Cats have been around longer than humans, and they have a long history of having been treasured as pets and worshiped by humans as gods. Yet despite their long history, we still know very little about them—how they live, what they eat, how they communicate with each other, and even how they sleep. Cats are popular pets all over the […]

What Makes a Plane Fly?

Airplanes have been around for over a hundred years. Most of today’s planes are powered by jet engines, but did you know that the first plane ever took a flight was a kite? And the first powered flight was a steam-powered helicopter in 1807? There are so many stories of the first airplanes that it’s easy to take them for […]