Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
No matter how cold it gets, gasoline will not freeze.
107
One third of the electricity produced on earth is used to power electric light bulbs!
75
The bark of an older redwood tree is fireproof.
65
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61