Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
A quarter has 119 grooves on its edge, a dime has one less groove!
34
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
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
Couples' personalities converge over time to make partners more and more similar.
235
U-Haul is the world's largest advertiser in the Yellow Pages.
21