Even More Insights from History

Nine out of every 10 living things live in the ocean.
The banana cannot reproduce itself. It can be propagated only by the hand of man.
Airports at higher altitudes require a longer airstrip due to lower air density.
The tooth is the only part of the human body that cannot heal itself.
In ancient Greece, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant she accepted.
Intelligent people have more zinc and copper in their hair.
The Swine Flu vaccine in 1976 caused more death and illness than the disease it was intended to prevent.
The military salute is a motion that evolved from medieval times, when knights in armor raised their visors to reveal their identity.
If you get into the bottom of a well or a tall chimney and look up, you can see stars, even in the middle of the day.
In ancient times strangers shook hands to show that they were unarmed.
The moon moves about two inches away from the Earth each year.
The letter J does not appear anywhere on the periodic table of the elements.