0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
4.5 pounds of sunlight strike the Earth each day.
27
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
No matter how cold it gets, gasoline will not freeze.
107
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
One cubic foot of gold weighs more than 1,200 pounds!
78