How animals vote to make group decisions

Today we opt for ballot boxes but humans have used numerous ways of voting to have their say throughout history. However, we're not the only ones living (or seeking to live) in a democratic society: a new study has suggested ...

Monkeys express spite toward those who have more

Monkeys, like humans, will take the time and effort to punish others who get more than their fair share, according to a study conducted at Yale. In fact, they can act downright spiteful.

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