Your fingernails grow faster in summer.
744
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Americans are responsible for generating roughly 20% percent of the garbage in the world.
29
You can start a fire with ice.
367
There are more telephones than people in Washington, D.C.
121
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13