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
Americans are responsible for generating roughly 20% percent of the garbage in the world.
29
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
Wearing red increases attraction.
30
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Most of the dust underneath your bed is actually your own dead skin.
251
Standard paper cannot be folded in half more than 7 times.
232