Passengers on the Beijing subway can pay with plastic bottles.
29
There are 86,400 seconds in a day.
110
It takes 492 seconds for sunlight to reach the Earth!
44
The average IQ is 100, while 140 is the beginning of genius IQ.
140
Donkeys kill more people annually than plane crashes.
927
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13