For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain doesn't stop developing until about 25 years old.
102
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190