The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
According to studies, men change their minds two to three times more often than women.
72
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
A cesium atom in an atomic clock beats over nine billion times a second.
43
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Diamonds can be shattered with a hammer.
-104
Sound travels about 4 times faster in water than in air.
408