Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
The average home creates more pollution than does the average car.
33
Sound travels fifteen times faster through steel than through air.
134
Pumice is the only rock that floats on water.
14
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 sun is 330,330 times larger than the earth.
75
Pure water (H2O) does not conduct electricity on its own.
46