0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
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
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
A cubic yard of air weighs about 2 pounds at sea level.
31
The earth is approx. 6,588,000,000,000,000,000 tons.
175