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 majority of suicides occur on a Monday.
393
If left alone, 70% of birthmarks gradually fade away.
193
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
Cash machines are as dirty as public toilets.
175
The largest diamond ever found was an astounding 3,106 carats!
99
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13