If your DNA was stretched out it would reach to the moon 6,000 times.
256
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
A person can live without food for about a month, but only about a week without water.
156
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The human body contains over a billion miles of DNA.
147
The average sperm cell swims at 8 inches per hour.
76