The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
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
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Bamboo plants can grow up to 36 inches in a day.
52
The average IQ is 100, while 140 is the beginning of genius IQ.
140
The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
4