The human brain is more active during sleep than during the day.
28
We share 70% of our DNA with a slug.
218
Your heart will pump about 212 million liters in its lifetime.
26
The human brain has the capacity to store everything that you experience.
4k
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The average person's skin weighs twice as much as their brain.
131
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515