Pure water (H2O) does not conduct electricity on its own.
46
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
Hot water can freeze faster than cold water.
181
For every gallon of sea water, you get more than a quarter pound of salt.
45
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
According to studies, men change their minds two to three times more often than women.
72
Out of all the senses, smell is most closely linked to memory.
146