David Brooks / Nice guys finish first
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The story of evolution, we have been told, is the story of the survival of the fittest. The strong eat the weak. The creatures that adapt to the environment pass on their selfish genes. Those that do not become extinct.
In this telling, we humans are like all other animals -- deeply and thoroughly selfish. We spend our time trying to maximize our outcomes -- competing for status, wealth and mating opportunities. Behavior that seems altruistic is really self-interest in disguise. Charity and fellowship are the cultural drapery atop the iron logic of nature.
All this is partially true, of course. Yet every day, it seems, a book crosses my desk, emphasizing a different side of the story. These are books about sympathy, empathy, cooperation and collaboration, written by scientists, evolutionary psychologists, neuroscientists and others. It seems there's been a shift among those who study this ground, yielding a more nuanced, and often gentler picture of our nature.
The most modest of these is "SuperCooperators" by Martin Nowak with Roger Highfield. Mr. Nowak uses higher math to demonstrate that "cooperation and competition are forever entwined in a tight embrace."
In pursuing our self-interested goals, we often have an incentive to repay kindness with kindness, so others will do us favors when we're in need. We have an incentive to establish a reputation for niceness, so people will want to work with us. We have an incentive to work in teams, even against our short-term self-interest because cohesive groups thrive. Cooperation is as central to evolution as mutation and selection, Mr. Nowak argues.
But much of the new work moves beyond incentives, narrowly understood. Michael Tomasello, the author of "Why We Cooperate," devised a series of tests that he could give to chimps and toddlers in nearly identical form. He found that at an astonishingly early age kids begin to help others, and to share information, in ways that adult chimps hardly ever do.
An infant of 12 months will inform others about something by pointing. Chimpanzees and other apes do not helpfully inform each other about things. Infants share food readily with strangers. Chimpanzees rarely even offer food to their own offspring. If a 14-month-old child sees an adult having difficulty -- like being unable to open a door because her hands are full -- the child will try to help.
Mr. Tomasello's point is that the human mind veered away from that of the other primates. We are born ready to cooperate, and then we build cultures to magnify this trait.
First Published May 18, 2011 12:00 am
