The human sigh acts as a physiological reset button.
23
Tigers can see 6 times better at night than humans.
305
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
It takes approximately 12 hours for food to entirely digest.
93
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23