The average home creates more pollution than does the average car.
33
Iron weighs more after it rusts.
68
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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
Scientists aren't sure what color dinosaurs were.
312