You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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By peeing in the shower, you can save 1,157 gallons of water a year.
31
There are 86,400 seconds in a day.
110
The average person eats almost 1500 pounds of food a year.
157
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
A fire in Australia has been burning for more than 5,000 years!
91