The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Hot water can freeze faster than cold water.
181
The smell of freshly cut grass is actually a plant distress call.
31
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44