In many countries, urine was used as a detergent for washing.
17
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11
Couples' personalities converge over time to make partners more and more similar.
235
The number of text messages sent and received in a given day is greater than the world's population.
198
There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
14
Water is actually naturally blue.
48
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26