Cows have best friends and get stressed when they are apart.

A blue whale's heart is about the size of a bumper car.

Pigs are very smart and can learn their own names.

One day on Venus is longer than one year on Venus.

Light from the Sun takes about 8 minutes to reach Earth.

Babies are born with about 300 bones, but adults have 206.

Your stomach makes a new lining every few days so it doesn't digest itself.