“"The pain of having less is much stronger than the joy of having more." Workers who discover they're earning more for the same work may be happy, but those who earn less can quickly feel slighted, killing motivation and often the quality of their output.”

More human facts

Humans are the only primates that don't have pigment in the palms

If you have three quarters, four dimes, and four pennies, you have $1.19. You also have the largest amount of money in coins

Thirty-five percent of the people who use personal ads for dating are already married.