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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Balsa wood is classified as a hard wood!
41
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The smell of freshly cut grass is actually a plant distress call.
31
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304