Yawns are more contagious among people with closer relationships.
163
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
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.
94
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18