In Nepal, cow dung is used for medicinal purposes.
19
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
One quarter of the bones in your body are in your feet!
36
Banging your head against a wall uses 150 calories an hour.
57
Your ears secrete more earwax when you are afraid than when you aren't.
229
One out of 20 people have an extra rib.
66