Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
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
Pure water (H2O) does not conduct electricity on its own.
46
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The average home creates more pollution than does the average car.
33
Iron weighs more after it rusts.
68