Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
On average, the life span of an American dollar bill is eighteen months.
33
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
282
Like fingerprints, everyone's tongue print is different.
250
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 first household refrigerators cost about $16,000, in today's money!
47
There are 53 Lego bricks manufactured for each person in the world.
83