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I'm Rufus Griscum and this is the next big idea.

Today at number 14 in our countdown of last year's best books

as chosen by our app users, Black and White Thinking by Kevin Dutton.

Do you see the world in black and white?

You may not think so.

You may think your perceptions are nuanced.

Your opinions tech the colored.

But research psychologist Kevin Dutton, who spent the last two decades

teaching at Oxford and Cambridge, says we are evolutionarily hardwired

to think in black and white.

We sort our experiences into reductive frames,

fight or flight, us versus them, right or wrong.

These simple mental divisions may have served us in our ancestral environments,

but Kevin says they're too rigid to do as much good as we try to handle

the complexities of modern life.

Hello, I'm Dr. Kevin Dutton, the author of Black and White Thinking,

the burden of a binary brain in a complex world,

...