The average sperm cell swims at 8 inches per hour.
76
Enamel is hardest substance in the human body.
61
The human brain has the capacity to store everything that you experience.
4k
Your heart will pump about 212 million liters in its lifetime.
26
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18