Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
Oak trees can live 200 or more years.
61
Chrysler built B-29's that bombed Japan, Mitsubishi built Zeros that tried to shoot them down. Both companies now build cars in a joint plant called Diamond Star.
29
Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
23
In an average hour, there are over 61,000 Americans airborne over the United States.
24
There was once an undersea post office in the Bahamas.
241
It takes 492 seconds for sunlight to reach the Earth!
44
If left alone, 70% of birthmarks gradually fade away.
193