The human sigh acts as a physiological reset button.
23
We share 70% of our DNA with a slug.
218
A human being loses an average of 40 to 100 strands of hair a day.
133
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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The world's shortest man measures only 21.5 inches.
73
Your thumb is about the same size as your nose.
124
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34