Men have larger hearts; women's hearts beat faster.
77
Human thigh bones are stronger than concrete!
63
People who sleep late have more mental stamina and can outperform early risers.
33
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
When a person dies, hearing is usually the last sense to go.
124
More people have a phobia of frogs than rats.
41
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269