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
You burn more calories sleeping than you do watching television.
348
All the gold ever mined could be molded into a cube 60 feet high and 60 feet wide.
38
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The chances of making two holes-in-one in a round of golf are one in 67 million.
67
85% of all Valentine's Day cards are purchased by women!
38
Oak trees can live 200 or more years.
61