Giraffes in the wild often sleep less than two hours a day, in short naps.

A cheetah can run as fast as a car on the highway — about 70 miles per hour!

There is no wind on the Moon, so astronauts' footprints could stay there for millions of years.

Neptune has the fastest winds in the solar system.

You can't hum while holding your nose closed. Try it!

Bananas are berries, but strawberries are not!

There are more trees on Earth than stars in our galaxy.