In zero gravity, a candle's flame is round and blue.
16
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
The force of a suction cup is calculated using F=AP.
15
The bark of an older redwood tree is fireproof.
65
Each day, up to 150 species of life become extinct.
-23
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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