Each day, up to 150 species of life become extinct.
-23
Sound travels about 4 times faster in water than in air.
408
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
In zero gravity, a candle's flame is round and blue.
16
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A 'jiffy' is an actual unit of time for 1/100th of a second!
66