The bark of an older redwood tree is fireproof.
65
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
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Pumice is the only rock that floats on water.
14
Research indicates that plants grow healthier when they are stroked.
173