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
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
A quarter has 119 grooves on its edge, a dime has one less groove!
34
Water is actually naturally blue.
48
The symbol on the 'pound' key (#) is called an octothorpe.
82
