When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Women buy four out of every 10 condoms sold.
71
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The right lung takes in more air than the left.
30
If you unfolded your brain, it would cover an ironing board.
42
Human thigh bones are stronger than concrete!
63
The human brain doesn't stop developing until about 25 years old.
102