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Paleofantasy What Evolution Really Tells Us About Sex Diet And How We Live

Author: Marlene Zuk
Publisher: W. W. Norton & Company
ISBN: 039308986X
Size: 73.12 MB
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“With . . . evidence from recent genetic and anthropological research, [Zuk] offers a dose of paleoreality.”—Erin Wayman, Science News We evolved to eat berries rather than bagels, to live in mud huts rather than condos, to sprint barefoot rather than play football—or did we? Are our bodies and brains truly at odds with modern life? Although it may seem as though we have barely had time to shed our hunter-gatherer legacy, biologist Marlene Zuk reveals that the story is not so simple. Popular theories about how our ancestors lived—and why we should emulate them—are often based on speculation, not scientific evidence. Armed with a razor-sharp wit and brilliant, eye-opening research, Zuk takes us to the cutting edge of biology to show that evolution can work much faster than was previously realized, meaning that we are not biologically the same as our caveman ancestors. Contrary to what the glossy magazines would have us believe, we do not enjoy potato chips because they crunch just like the insects our forebears snacked on. And women don’t go into shoe-shopping frenzies because their prehistoric foremothers gathered resources for their clans. As Zuk compellingly argues, such beliefs incorrectly assume that we’re stuck—finished evolving—and have been for tens of thousands of years. She draws on fascinating evidence that examines everything from adults’ ability to drink milk to the texture of our ear wax to show that we’ve actually never stopped evolving. Our nostalgic visions of an ideal evolutionary past in which we ate, lived, and reproduced as we were “meant to” fail to recognize that we were never perfectly suited to our environment. Evolution is about change, and every organism is full of trade-offs. From debunking the caveman diet to unraveling gender stereotypes, Zuk delivers an engrossing analysis of widespread paleofantasies and the scientific evidence that undermines them, all the while broadening our understanding of our origins and what they can really tell us about our present and our future.

Testosterone Rex

Author: Cordelia Fine
Publisher: Icon Books
ISBN: 1785781626
Size: 46.27 MB
Format: PDF, ePub, Mobi
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WINNER OF THE 2017 ROYAL SOCIETY INSIGHT INVESTMENT SCIENCE BOOK PRIZE What the judges said: 'Every man and woman should read this book on gender bias ... an important, yet wickedly witty, book.' 'Fine's entertaining and thoughtful book is a valuable addition to the discussion about gender.' Ian Critchley, Sunday Times 'In addition to being hopeful, Fine is also angry. We should all be angry. Testosterone Rex is a debunking rumble that ought to inspire a roar.' Guardian 'A densely packed, spirited book, with an unusual combination of academic rigour and readability ... The expression “essential reading for everyone” is usually untrue as well as a cliché, but if there were a book deserving of that description this might just be it.' Antonia Macaro, Financial Times Testosterone Rex is the powerful myth that squashes hopes of sex equality by telling us that men and women have evolved different natures. Fixed in an ancestral past that rewarded competitive men and caring women, these differences are supposedly re-created in each generation by sex hormones and male and female brains. Testosterone, so we’re told, is the very essence of masculinity, and biological sex is a fundamental force in our development. Not so, says psychologist Cordelia Fine, who shows, with wit and panache, that sex doesn’t create male and female natures. Instead, sex, hormones, culture and evolution work together in ways that make past and present gender dynamics only a serving suggestion for the future – not a recipe. Testosterone Rex brings together evolutionary science, psychology, neuroscience and social history to move beyond old ‘nature versus nurture’ debates, and to explain why it’s time to unmake the tyrannical myth of Testosterone Rex. For fans of Fine – whose Delusions of Gender ‘could have far-reaching consequences as significant as The Female Eunuch’ (Viv Groskop, Guardian) – and thousands of new readers, this is an upbeat, timely and important contribution to the debate about gender in society.

Evolution S Bite

Author: Peter S. Ungar
Publisher: Princeton University Press
ISBN: 1400884756
Size: 42.88 MB
Format: PDF, Kindle
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What teeth can teach us about the evolution of the human species Whether we realize it or not, we carry in our mouths the legacy of our evolution. Our teeth are like living fossils that can be studied and compared to those of our ancestors to teach us how we became human. In Evolution's Bite, noted paleoanthropologist Peter Ungar brings together for the first time cutting-edge advances in understanding human evolution and climate change with new approaches to uncovering dietary clues from fossil teeth to present a remarkable investigation into the ways that teeth—their shape, chemistry, and wear—reveal how we came to be. Ungar describes how a tooth's "foodprints"—distinctive patterns of microscopic wear and tear—provide telltale details about what an animal actually ate in the past. These clues, combined with groundbreaking research in paleoclimatology, demonstrate how a changing climate altered the food options available to our ancestors, what Ungar calls the biospheric buffet. When diets change, species change, and Ungar traces how diet and an unpredictable climate determined who among our ancestors was winnowed out and who survived, as well as why we transitioned from the role of forager to farmer. By sifting through the evidence—and the scars on our teeth—Ungar makes the important case for what might or might not be the most natural diet for humans. Traveling the four corners of the globe and combining scientific breakthroughs with vivid narrative, Evolution's Bite presents a unique dental perspective on our astonishing human development.

How Evolution Shapes Our Lives

Author: Jonathan B. Losos
Publisher: Princeton University Press
ISBN: 1400881382
Size: 55.17 MB
Format: PDF, Kindle
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It is easy to think of evolution as something that happened long ago, or that occurs only in "nature," or that is so slow that its ongoing impact is virtually nonexistent when viewed from the perspective of a single human lifetime. But we now know that when natural selection is strong, evolutionary change can be very rapid. In this book, some of the world's leading scientists explore the implications of this reality for human life and society. With some twenty-three essays, this volume provides authoritative yet accessible explorations of why understanding evolution is crucial to human life—from dealing with climate change and ensuring our food supply, health, and economic survival to developing a richer and more accurate comprehension of society, culture, and even what it means to be human itself. Combining new essays with essays revised and updated from the acclaimed Princeton Guide to Evolution, this collection addresses the role of evolution in aging, cognition, cooperation, religion, the media, engineering, computer science, and many other areas. The result is a compelling and important book about how evolution matters to humans today. The contributors are Dan I. Andersson, Francisco J. Ayala, Amy Cavanaugh, Cameron R. Currie, Dieter Ebert, Andrew D. Ellington, Elizabeth Hannon, John Hawks, Paul Keim, Richard E. Lenski, Tim Lewens, Jonathan B. Losos, Virpi Lummaa, Jacob A. Moorad, Craig Moritz, Martha M. Muñoz, Mark Pagel, Talima Pearson, Robert T. Pennock, Daniel E. L. Promislow, Erik M. Quandt, David C. Queller, Robert C. Richardson, Eugenie C. Scott, H. Bradley Shaffer, Joan E. Strassmann, Alan R. Templeton, Paul E. Turner, and Carl Zimmer.

Push Back

Author: Amy Tuteur, M.D.
Publisher: HarperCollins
ISBN: 006240735X
Size: 27.79 MB
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A Harvard-trained obstetrician-gynecologist, prominent blogger, and author of the classic How Your Baby Is Born delivers a timely, important, and sure to be headline-making expose that shines a light on the natural parenting movement and the multimillion-dollar industry behind it. The natural parenting movement praises the virtues of birth without medical interference, staunchly advocates breastfeeding for all mothers, and hails attachment parenting. Once the exclusive province of the alternative lifestyle, natural parenting has gone mainstream, becoming a lucrative big business today. But those who do not subscribe to this method are often made to feel as if they are doing their children harm. Dr. Amy Tuteur understands their apprehensions. “Parenting quickly feels synonymous with guilt. And of late, there is no bigger arena for this pervasive guilt than childbirth.” As a medical professional with a long career in obstetrics and gynecology and as the mother of four children, Tuteur is no stranger to the insurmountable pressures and subsequent feelings of blame and self-condemnation that mothers experience during their children’s early years. The natural parenting movement, she contends, is not helping them raise their children better. Instead, it capitalizes on their uncertainty, manipulating parents when they are most vulnerable. In Push Back, she chronicles the movement’s history from its roots to its modern practices, incorporating her own experiences as a mother and successful OB-GYN with original research on the latest in childbirth science. She also reveals the dangerous and overtly misogynistic motives of some of its proponents—conservative men who sought to limit women’s control and autonomy. As she debunks, one by one, the guilt-inducing myths of natural birth and parenting, Dr. Tuteur empowers women to embrace the method of childbirth that is right for them, while reassuring all parents that the most important thing they can do is love and care for their children.