A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Out of all the senses, smell is most closely linked to memory.
146
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155