People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Yawns are more contagious among people with closer relationships.
163
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
2% of Europeans lack the genes for smelly armpits.
6
Every human spent about half an hour as a single cell.
144
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
The average person walks the equivalent of twice around the world in a lifetime
69