One third of the electricity produced on earth is used to power electric light bulbs!
75
Aluminum used to be more valuable than gold!
84
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Cold water weighs more than hot water.
93
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The bark of an older redwood tree is fireproof.
65
A ball of glass will bounce higher than a ball made of rubber.
73