For every gallon of sea water, you get more than a quarter pound of salt.
45
Research indicates that plants grow healthier when they are stroked.
173
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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 the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17