Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The yin-yang pattern's earliest use is in Rome - not China!
125
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The average IQ is 100, while 140 is the beginning of genius IQ.
140
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14