Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Your brain is 80% water.
525
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Each day, up to 150 species of life become extinct.
-23
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
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