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

Mount Everest grows a tiny bit taller every year as the ground underneath pushes it up.

The word dinosaur means "terrible lizard."

The first toothbrushes were made from twigs.

The first carrots people grew were purple or yellow, not orange.

A group of crows is called a murder, and a group of kangaroos is called a mob.

A baby giraffe can stand up within about an hour of being born.