The first household refrigerators cost about $16,000, in today's money!
47
If left alone, 70% of birthmarks gradually fade away.
193
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
In many countries, urine was used as a detergent for washing.
17
It's impossible to kill yourself by holding your breath.
703
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10