Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Diamonds can be shattered with a hammer.
-104
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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
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