A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
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
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
Sunflowers can be used to clean up radioactive waste.
17
Women blink nearly twice as much as men.
152
Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
23
When watching a DVD press stop-stop-play-skip to skip the ads and go straight to the movie.
23
Coins usually survive in circulation for about 30 years.
66