Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Within three days of death, the enzymes that once digested your food begin to eat you.
22
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The human brain doesn't stop developing until about 25 years old.
102