The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Out of all the senses, smell is most closely linked to memory.
146
A 'jiffy' is an actual unit of time for 1/100th of a second!
66