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
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
Couples' personalities converge over time to make partners more and more similar.
235
In an average hour, there are over 61,000 Americans airborne over the United States.
24
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
Music is as addictive to the brain as sex and drugs.
27