Cold water weighs more than hot water.
93
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Pumice is the only rock that floats on water.
14
One third of the electricity produced on earth is used to power electric light bulbs!
75
Diamonds can be shattered with a hammer.
-104
The average home creates more pollution than does the average car.
33
Neanderthal man had a brain capacity 100cc larger than modern man's.
50