Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Research indicates that plants grow healthier when they are stroked.
173
One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
16
The sun is 330,330 times larger than the earth.
75