Cold water weighs more than hot water.
93
Iron weighs more after it rusts.
68
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One cubic foot of gold weighs more than 1,200 pounds!
78
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16