The brain is about 75% water.

Your brain generates about 20 watts of electrical power.

The human brain has more connections than stars in the Milky Way.

It uses about 20% of the body’s energy.

Neurons in the brain can send signals at 250 mph.

The brain can store an estimated 2.5 petabytes of information.

Sleep helps your brain process memories.

The left side of the brain controls the right side of the body.

Brains continue to develop until around age 25.

Laughing triggers activity in multiple brain areas.