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
For every gallon of sea water, you get more than a quarter pound of salt.
45
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The earth is approx. 6,588,000,000,000,000,000 tons.
175
According to studies, men change their minds two to three times more often than women.
72
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0