A typical lead pencil can draw a line that is 35 miles long.
158
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
Passengers on the Beijing subway can pay with plastic bottles.
29
Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
The yin-yang pattern's earliest use is in Rome - not China!
125
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The average IQ is 100, while 140 is the beginning of genius IQ.
140