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Who We Are and How We Got Here

Who We Are and How We Got Here by David Reich
Hardcover
Mar 27, 2018 | 368 Pages
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Praise

“Few subjects fascinate us as much as human origins. . . . If you want to understand our origins over the course of the last 100,000 years, this book will be the best up-to-date account for you.”
—Jared Diamond, The New York Times Book Review

“The work in [Reich’s] lab has reshaped our understanding of human prehistory. . . . He and his colleagues have shed light on the peopling of the planet and the spread of agriculture, among other momentous events.”
Carl Zimmer, The New York Times

“Reich documents an extraordinary moment in the history of science. . . . A potential political bombshell.”
—The Wall Street Journal

“In Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past, David Reich . . . introduces us to the 21st-century Rosetta Stone: ancient DNA, which will do more for our understanding of prehistory than radiocarbon dating did… Who We Are and How We Got Here is less than 300 pages of text, but it is packed with startling facts and novel revelations that overturn the conventional expectations of both science and common sense.”
—The National Review

“An excerpt from David Reich’s new book, Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past, recently touched off a media and cultural firestorm in the United States. Appearing as an op-ed in The New York Times, ‘How Genetics is Changing Our Understanding of “Race”’, it had Reich stating that he is ‘worried that well-meaning people who deny the possibility of substantial biological differences among human populations are digging themselves into an indefensible position, one that will not survive the onslaught of science.’ This was not unlike tossing a grenade into the public square. But perched at Harvard, as one of his generation’s most eminent human population geneticists, Reich will move forward unscathed. The reason is simple: Who We Are . . . is mostly not a controversial book, but a wondrous one. It sheds light on the nascent field of ancient DNA, paleogenetics, which is exposing the human past by tracing population histories. Give a paleogeneticist a single genome, and they will unfurl the history of whole peoples.”
—India Today

“Ancient DNA is rewriting human (and Neanderthal) history. The genomes of the long dead are turning up all sorts of unexpected and controversial findings. Who We Are and How We Got Here, charts the myriad ways the study of ancient DNA is lobbing bombs into the halls of established wisdom.”
—The Atlantic

“A thrilling account of mapping humans through time and place. . . . Genomics and statistics have drawn back the curtain on the sort of sex and power struggles you’d expect in Game of Thrones. . . . We do need a non-loaded way to talk about genetic diversity and similarities in populations. This book goes some way to starting that conversation.”
—Nature

“In this comprehensive and provocative book, David Reich exhumes and examines fundamental questions about our origin and future using powerful evidence from human genetics. What does ‘race’ mean in 2018? How alike and how unlike are we? What does identity mean? Reich’s book is sobering and clear-eyed, and, in equal parts, thrilling and thought provoking. There were times that I had to stand up and clear my thoughts to continue reading this astonishing and important book.”
—Siddhartha Mukherjee, Pulitzer Prize-winning author of The Emperor of All Maladies
 
“Reich’s book reads like notes from the frontline of the ‘Ancient DNA Revolution’ with all the spellbinding drama and intrigue that come with such a huge transformation in our understanding of human history.”
—Anne Wojcicki, CEO and Co-Founder of 23andMe

“In just five years, the study of ancient DNA has transformed our understanding of world prehistory. The geneticist David Reich, one of the pioneers in this field, here gives the brilliantly lucid first account of the resulting new view of human origins and of the later dispersals that went on to shape the modern world.”
—Colin Renfrew, Disney Professor of Archeology Emeritus, University of Cambridge
 
“Reich’s magisterial book gives a riveting account of human prehistory and history through the new lens provided by ancient DNA data. The story of human populations, as he shows, is ever one of widespread and repeated mixing, debunking the fiction of ‘pure’ populations.”
—Molly Przeworski, Professor of Biological Sciences, Columbia University
 
“This breathtaking book dramatically revises our understanding of the deep history of our species in our African homeland and beyond. Beautifully written, it reads like a detective novel and demonstrates a hard truth that often makes many of us uncomfortable: not only are all human beings mixed, but our intuitive understanding of the evolution of the population structure of the world around us is not to be trusted.”
—Henry Louis Gates Jr., University Professor, Harvard University, and Executive Producer of Finding Your Roots
 
“This absorbing book will blow you away with its rich and astounding account of where we came from and why that matters. Reich tells the surprising story of how humans got to every corner of the planet, which was revealed only after he and other scientists unlocked the secrets of ancient DNA. The courageous, compassionate, and highly personal climax will transform how you think about the meaning of ancestry and race.”
—Daniel E. Lieberman, Professor of Human Evolutionary Biology, Harvard University, and author of The Story of the Human Body: Evolution, Health, and Disease
 
“Powerful writing and extraordinary insights animate this endlessly fascinating account, by a world scientific leader, of who we modern humans are and how our ancestors arrived in the diverse corners of the world. I could not put the book down.”
—Robert Weinberg, Professor of Biology, Massachusetts Institute of Technology

“David Reich uses the power of modern genome analysis to show the fascinating complexity of human migration and history. By letting the data lead him, he treads a narrow path between racists and xenophobes on one side and left-wing ideologues on the other. Although many of his conclusions will be controversial, he starts a necessary conversation about what modern genome analysis can tell us about the variability of human populations.”
Sir Venki Ramakrishnan, Nobel Laureate and President of the Royal Society, London



[Praise from the UK]:



“Remarkable. . . . Spectacular. . . . In making constant new discoveries about humanity, Reich and his Harvard team are now plunging into uncharted academic waters. . . . Reich’s influence in this field has been immense and the output of his department monumental. . .  . Thrilling in its clarity and its scope.”
—The Guardian

“David Reich of Harvard Medical School is one of the leading lights in the field of ancient DNA. His team’s work has cast a new perspective on human history, reconstructing the epic migrations and genetic exchanges that shaped the people of different regions worldwide.”
—BBC

“This is a compendious book . . . its importance cannot be overstated and neither can some of its best stories.” 
Sunday Times

“Who We Are and How We Got Here
 provides a marvellous synthesis of the field.” 
Financial Times

Table Of Contents

Acknowledgments ix
Introduction xi
 
Part I The Deep History of Our Species
1 How the Genome Explains Who We Are 3
2 Encounters with Neanderthals 25
3 Ancient DNA Opens the Floodgates 53
 
Part II How We Got to Where We Are Today
4 Humanity’s Ghosts 77
5 The Making of Modern Europe 99
6 The Collision That Formed India 123
7 In Search of Native American Ancestors 155
8 The Genomic Origins of East Asians 187
9 Rejoining Africa to the Human Story 207
 
Part III The Disruptive Genome
10 The Genomics of Inequality 229
11 The Genomics of Race and Identity 247
12 The Future of Ancient DNA 274
 
Notes on the Illustrations 287
Notes 291
Index 321

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