Yawns are more contagious among people with closer relationships.
163
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Two in five people in the world marry their first love.
270
Men laugh longer, louder, and more often than women.
61
The average person walks the equivalent of twice around the world in a lifetime
69
Every human spent about half an hour as a single cell.
144