Recycling one glass jar, saves enough energy to watch T.V for 3 hours!
118
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Standard paper cannot be folded in half more than 7 times.
232
Couples' personalities converge over time to make partners more and more similar.
235
Real diamonds do not show up on x-ray.
36
Music is as addictive to the brain as sex and drugs.
27
One human hair can support 3 ounces.
191