A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
For every gallon of sea water, you get more than a quarter pound of salt.
45
Pumice is the only rock that floats on water.
14
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Your brain is 80% water.
525
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
One cubic foot of gold weighs more than 1,200 pounds!
78