Your fingernails grow faster in summer.
744
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
Extremely high pressured water can easily cut through a steel beam.
51
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
When Heinz ketchup leaves the bottle, it travels at a rate of 25 miles per year.
127
Couples' personalities converge over time to make partners more and more similar.
235