Cold water weighs more than hot water.
93
Iron weighs more after it rusts.
16
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
4.5 pounds of sunlight strike the Earth each day.
27
The earth is approx. 6,588,000,000,000,000,000 tons.
175