The average person laughs 13 times a day!
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Males sweat 40% more than females.
104
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Roughly a quarter of the world's people live in China.
50