One ragweed plant can release as many as one billion grains of pollen!
51
Cold water weighs more than hot water.
93
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
According to studies, men change their minds two to three times more often than women.
72
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
The only letter not appearing on the Periodic Table is the letter "J".
180
One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
16