When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Diamonds can be shattered with a hammer.
-104
Scientists aren't sure what color dinosaurs were.
312