Aluminum used to be more valuable than gold!
84
One barrel of petroleum holds 42 gallons.
20
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists are now able to grow 'beating' heart tissue in a lab!
162
According to studies, men change their minds two to three times more often than women.
72
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7