Roughly a quarter of the world's people live in China.
50
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
People in parts of Western China put salt in their tea instead of sugar.
16
Every human spent about half an hour as a single cell.
144