There's 100 trillion good bacteria living in your body.
17
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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130