A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Caffeine boosts memory.
405
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There are 293 ways to make change for a dollar.
148
Coins usually survive in circulation for about 30 years.
66
Daydreamers are better at solving complex problems.
28
The cruise liner, 'Queen Elizabeth 2', moves only six inches for each gallon of diesel that it burns.
26
There are more than 10 million bricks in the Empire State Building!
75