Some other random science facts

• Odontophobia is the fear of teeth.
• Cats sleep 16 to 18 hours per day.
• Every year about 98% of the atoms in your body are replaced.
• Elephants are the only mammals that can't jump.
• When snakes are born with two heads, they fight each other for food.
• You burn more calories sleeping than you do watching TV
• A lion's roar can be heard from five miles away
• The brain uses over a quarter of the oxygen used by the human body.
• The colour of a humans skin is determined by the level of pigment melanin that the body 
• produces. Those with small amounts of melanin have light skin while those with large amounts have dark skin.
• Your nose and ears continue growing throughout your entire life.
• It takes the body around 12 hours to completely digest eaten food.
• Your sense of smell is around 10000 times more sensitive than your sense of taste.

-Minz-