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 in Germany have developed a candy that doesn't cause cavities.
11
One ragweed plant can release as many as one billion grains of pollen!
51
Iron weighs more after it rusts.
68
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Iron weighs more after it rusts.
16
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55