At the "triple point" of water when the temperature and pressure are both just right, water can boil and freeze at the same time so that water is gas, liquid, and solid all at the same time.

Oxygen is colorless in its gas form, but in its solid and liquid forms it has a pale blue color.

There are 50,000,000,000 galaxies in the known universe.

A starfish doesn't have a brain.

The only planet that spins in a clockwise direction is Venus.

It's possible to start a fire with flatulence.

It takes one human blood cell about 60 seconds to make a complete circuit around the body.

A cricket's ears are on its legs below its knees.