Does it come from talent, hard work—or luck?

At a campaign rally in Roanoke, Va., before the 2012 election, President Barack Obama opined: “If you were successful, somebody along the line gave you some help. There was a great teacher somewhere in your life&8230; . Somebody invested in roads and bridges. If you’ve got a business—you didn’t build that. Somebody else made that happen.”

Although Obama was making a larger point about the power of collective action, such as building dams, power grids and the Internet, conservative heads exploded at the final sentiment. “I did build that!” is an understandable rejoinder to which I can relate. I research my books, edit my magazine, teach my courses and write these columns (this one is my 200th in a row for Scientific American). If I don’t make them happen, nobody else will.

But then I started thinking as a social scientist on the role of circumstance and luck in how lives turn out. It’s a sobering experience to realize just how many variables are out of our control:
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The latest skirmish in the “anthropology wars” reveals a fundamental flaw in how science is understood and communicated

Another battle has broken out in the century-long “anthropology wars” over the truth about human nature. Journalist Patrick Tierney, in his book dramatically entitled Darkness in El Dorado: How Scientists and Journalists Devastated the Amazon, purportedly reveals “the hypocrisy, distortions, and humanitarian crimes committed in the name of research, and reveals how the Yanomami’s internecine warfare was, in fact, triggered by the repeated visits of outsiders who went looking for a ‘fierce’ people whose existence lay primarily in the imagination of the West.”

Tierney’s bête noir is Napoleon Chagnon, whose ethnography Yanomamö: The Fierce People is the best-selling anthropological book of all time. Tierney spares no ink in painting him as an anthropologist who sees in the Yanomamö a reflection of himself. (continue reading…)