The average temperature at 40,000 feet above sea level is -60 F.
56
Aluminum used to be more valuable than gold!
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71