Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Research indicates that plants grow healthier when they are stroked.
173
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Iron weighs more after it rusts.
68
The only letter not appearing on the Periodic Table is the letter "J".
180
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15