The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
479
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
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
22% leave the glob of toothpaste in the sink.
118
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
The number of births that occur in India each year is higher than the entire population of Australia.
66
Standard paper cannot be folded in half more than 7 times.
232
