From the vault: It’s opposite day

Good and evil, north and south, nature and nurture – this week, Cosmos is drawing inspiration from the playground tradition of “opposite day” to bring you stories on some dichotomic duos.

The science of good and evil

Cognitive psychology, evolutionary biology and game theory are offering fresh insights into one of the most perplexing of human capacities: morality. Read more

Cultures vary north and south, not east and west

Recent studies provide more evidence that the fortunes of history turn around geographical axes, as first proposed by Jared Diamond. Read more

On nature versus nurture

The relative contribution of our genes and environment to our behaviour is a long-running debate. British science writer Matt Ridley, author of Nature via Nurture, here gives his perspective. Read more

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