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evolution

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From a This I Believe essay by Matt Harding:

My brain was designed to inhabit a fairly small social network of maybe a few dozen other primates — a tribe. Beyond that size, I start to get overwhelmed.

And yet here I am in a world of over 6 billion people, all of whom are now inextricably linked together. I don’t need to travel to influence lives on the other side of the globe. All I have to do is buy a cup of coffee or a tank of gas. My tribe has grown into a single, impossibly vast social network, whether I like it or not. The problem, I believe, isn’t that the world has changed, it’s that my primitive caveman brain hasn’t.

I am fantastic at seeing differences. Everybody is. I can quickly pick out those who look or behave differently, and unless I actively override the tendency, I will perceive them as a threat. That instinct may have once been useful for my tribe but when I travel, it’s a liability.

When I dance with people, I see them smile and laugh and act ridiculous. It makes those differences seem smaller. The world seems simpler, and my caveman brain finds that comforting.

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