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
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
An olive tree can live up to 1,500 years!
58
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105