Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
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
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
In zero gravity, a candle's flame is round and blue.
16
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