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
An olive tree can live up to 1,500 years!
58
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The majority of suicides occur on a Monday.
393
Only humans shed emotional tears.
331
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
The number of text messages sent and received in a given day is greater than the world's population.
198