A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
According to an assistant professor of psychology and marketing at NYU, wearing red increases your chances in things like dating and hitchhiking.
12
If you get water flowing fast enough, it can cut metal.
354
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
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
A quarter has 119 grooves on its edge, a dime has one less groove!
34