Luke Glowacki in Evolution and Human Behavior:
The role of warfare in human evolution is among the most contentious topics in the evolutionary sciences. The debate is especially heated because many assume that whether our evolutionary ancestors were peaceful or warlike has important implications for modern human nature. One side argues that warfare has a deep evolutionary history, possible dating to the last common ancestor of bonobos, chimpanzees, and humans, while the other views war as a recent innovation, primarily developing with the rise of sedentism and agriculture. I show that although both positions have some support warranting consideration, each sometimes ignores uncertainties about human evolution and simplifies the complex reality of hunter-gatherer worlds. Many characterizations about the evolution of war are partial truths. Bonobos and chimpanzees provide important insights relevant for understanding the origins of war, but using either species as a model for human evolution has important limitations. Hunter-gatherers often had war, but like humans everywhere, our ancestors likely had a range of relationships depending on the context, including cooperative intergroup affiliation. Taken together, the evidence strongly suggests that small-scale warfare is part of our evolutionary history predating agriculture and sedentism, but that cooperation across group boundaries is also part our evolutionary legacy.
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But if there was little obvious distinction between “religious” pilgrims and “regular” travelers, it was partly because the discourse of contemporary travel is so often geared toward the same ends as pilgrimage proper: a journey that results in the transformation, and ideally purification, of the searching self. This is the goal underlying, for example, travel-as-transformation narratives like Cheryl Strayed’s Wild, an account of the author’s solo hike along the Pacific Crest Trail, and Elizabeth Gilbert’s divorce-and-self-actualization memoir Eat, Pray, Love. Travel, at least the kind of travel so often coded as “real” or “authentic” (as opposed to, say, the family resort vacation, the Instagram trip, or the perfunctory list-ticking of the much-derided “tourist”), is already treated as a kind of secular pilgrimage in which we find out who we really are only by untethering ourselves from those elements of our identities too closely linked to habit and home. Only when we are away from our daily routines, this ideology implies, from our bosses and spouses and children, when we are challenged by language barrier or public transit mishap or unexpected romantic chemistry, can we come to know who we really are.
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Human life expectancy dramatically increased last century. Compared to babies born in 1900, those born at the turn of the 21st century could live, on average, three decades longer—
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For Christmas lunch, 1937, Virginia and Leonard Woolf hosted John Maynard Keynes and his wife, Lydia. Imagine the talk, which no doubt ranged widely, including gossip about younger writers like W. H. Auden, the recipient that autumn of the King’s Gold Medal for Poetry from George VI himself. A lot of people were saying it: Auden was the man to watch. At only thirty, he was already regarded as England’s leading poet, head of a squadron of younger writers, including Louis MacNeice, C. Day-Lewis and Stephen Spender. According to Nicholas Jenkins’ important new book, The Island: War and Belonging in Auden’s England,
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How does the brain
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In The Oxford Book of Modern Science Writing (2008), Richard Dawkins writes:
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