In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
A typical lead pencil can draw a line that is 35 miles long.
158
Passengers on the Beijing subway can pay with plastic bottles.
29
Extremely high pressured water can easily cut through a steel beam.
51
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 roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
The oldest living person smoked cigarettes from the age of 21 to 117.
13