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The Tangled Tree: A Radical New History of Life
David Quammen
Our understanding of the ‘tree of life’, with powerful implications for human genetics, human health and our own human nature, has recently completely changed.This book is about a new method of telling the story of life on earth – through molecular phylogenetics. It involves a fairly simple method – the reading of the deep history of life by looking at the variation in protein molecules found in living organisms. For instance, we now know that roughly eight per cent of the human genome arrived not through traditional inheritance from directly ancestral forms, but sideways by viral infection.In The Tangled Tree, acclaimed science writer David Quammen chronicles these discoveries through the lives of the researchers who made them – such as Carl Woese, the most important little-known biologist of the twentieth century; Lynn Margulis, the notorious maverick whose wild ideas about ‘mosaic’ creatures proved to be true; and Tsutomu Wantanabe, who discovered that the scourge of antibiotic-resistant bacteria is a direct result of horizontal gene transfer, bringing the deep study of genome histories to bear on a global crisis in public health.Quammen explains how molecular studies of evolution have brought startling recognitions about the tangled tree of life – including where we humans fit into it. Thanks to new technologies, we now have the ability to alter even our genetic composition – through sideways insertions, as nature has long been doing. The Tangled Tree is a brilliant exploration of our transformed understanding of evolution and of life’s history itself.
Copyright (#ulink_dbb67f5c-03d2-5831-ae2b-727bd8c24a72)
William Collins
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This eBook first published in Great Britain by William Collins in 2018
Copyright © David Quammen 2018
Jacket design by Jack Smyth
David Quammen asserts the moral right to be identified as the author of this work.
A catalogue record for this book is available from the British Library.
All rights reserved under International and Pan-American Copyright Conventions. By payment of the required fees, you have been granted the non-exclusive, non-transferable right to access and read the text of this e-book on-screen. No part of this text may be reproduced, transmitted, down-loaded, decompiled, reverse engineered, or stored in or introduced into any information storage and retrieval system, in any form or by any means, whether electronic or mechanical, now known or hereinafter invented, without the express written permission of HarperCollins.
Source ISBN: 9780008310684
eBook Edition © September 2018 ISBN: 9780008310691
Version: 2018-07-31
Dedication (#u7a661170-884b-549e-9fa6-984e55aed8fa)
To Dennis Hutchinson and David Roe, my attorneys of the soul
Contents
Cover (#u39fd20bd-0abf-5376-acf2-aee1dd5f8ccb)
Title Page (#u4d5e7a3c-0209-5dd2-9314-7aff0698ee1a)
Copyright (#u439d16cf-b147-5f6b-9921-17b294000e17)
Dedication
THREE SURPRISES: An Introduction
PART I: Darwin’s Little Sketch
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
PART II: A Separate Form of Life
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter 27
PART III: Mergers and Acquisitions
Chapter 28
Chapter 29
Chapter 30
Chapter 31
Chapter 32
Chapter 33
Chapter 34
Chapter 35
Chapter 36
PART IV: Big Tree
Chapter 37
Chapter 38
Chapter 39
Chapter 40
Chapter 41
Chapter 42
Chapter 43
Chapter 44
Chapter 45
Chapter 46
Chapter 47
Chapter 48
PART V: Infective Heredity
Chapter 49
Chapter 50
Chapter 51
Chapter 52
Chapter 53
Chapter 54
Chapter 55
Chapter 56
Chapter 57
Chapter 58
Chapter 59
PART VI: Topiary
Chapter 60
Chapter 61
Chapter 62
Chapter 63
Chapter 64
Chapter 65
Chapter 66
Chapter 67
Chapter 68
Chapter 69
