So, some people did an experiment with some monkeys. This gets important for feminism later on. First the researchers let the monkeys hang out for a while and become monkey-friends. Then they put two ...

Sept. 18 -- It turns out monkeys, like people, are no fools when it comes to equal pay for equal work. A new study found when brown capuchin monkeys noticed their partners were getting a better reward ...

Like children who complain "no fair," capuchin monkeys throw fits when their companions get better treats. In a new study, envy reared its ugly head if capuchins, primates like us, landed slices of ...

Monkeys were taught in an experiment to hand over pebbles in exchange for cucumber slices. They were happy with this deal. Then the researcher randomly offered one monkey — in sight of a second — an ...