Your thumb is about the same size as your nose.
124
Poor eyesight (myopia) is associated with higher IQ.
232
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The human brain has the capacity to store everything that you experience.
4k
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266