Amazing Facts 7

# In 1875 the director of the US patent office resigned. He said that there was nothing left to invent # The Channel between England and France grows about 300 millimeters each year # The average person's field of vision encompasses a 200-degree wide angle # Offered a new pen to write with, 97% of all people will write their own name # On average, a person has two million sweat glands # Grapes explode when you put them in the microwave. # Wearing headphones for just an hour will increase the bacteria in your ear by 700 times. # Your tongue is germ free only if it is pink. If it is white there is a thin film of bacteria on it. # The attachment of the human skin to muscles is what causes dimples # 97% of the earth's water is undrinkable # The Earth gets heavier each day by tons, as meteoric dust settles on it # All babies are color blind when they are born # Babies' eyes do not produce tears until the baby is approximately six to eight weeks old # 14 million people were killed in World War I, 20 million died in flu epidemic in the years that followed # There are more than 40,000 characters in the Chinese script # Vision requires more brain power than the other four senses # On average, men are 40% muscle and 15% fat; women are 23% muscle and 25% fat # There are no public toilets in Peru # Urine and tears have the same basic ingredients # The reason honey is so easy to digest is that it's already been digested by a bee.