How Sex Works

by Dr. Sharon Moalem

  About the Author

  DR. SHARON MOALEM is an award-winning neurogeneticist and evolutionary biologist, with a PhD in human physiology. His research brings evolution, genetics, biology, and medicine together to explain how the body works in new and fascinating ways. He and his work have been featured on CNN, in the New York Times, on The Daily Show with Jon Stewart, on Today, and in magazines such as New Scientist, Elle, and Martha Stewart’s Body + Soul. Dr. Moalem’s first book was the New York Times bestseller Survival of the Sickest. He lives in New York City.

  www.howsexworks.org

  Visit www.AuthorTracker.com for exclusive information on your favorite HarperCollins author.

  Also by Dr. Sharon Moalem

  Survival of the Sickest:

  The Surprising Connections Between Disease and Longevity

  Credits

  Jacket design and Illustration by Jarrod Taylor

  Copyright

  This book contains advice and information relating to health care. It is not intended to replace medical advice and should be used to supplement rather than replace regular care by your doctor. It is recommended that you seek your physician’s advice before embarking on any medical program or treatment. All efforts have been made to ensure the accuracy of the information contained in this book as of the date of publication. The publisher and the author disclaim liability for any medical outcomes that may occur as a result of applying the methods suggested in this book.

  HOW SEX WORKS. Copyright © 2009 by Sharon Moalem. 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 e-books.

  Adobe Digital Edition April 2009 ISBN 978-0-06-191459-1

  10 9 8 7 6 5 4 3 2 1

  About the Publisher

  Australia

  HarperCollins Publishers (Australia) Pty. Ltd.

  25 Ryde Road (PO Box 321)

  Pymble, NSW 2073, Australia

  http://www.harpercollinsebooks.com.au

  Canada

  HarperCollins Publishers Ltd.

  55 Avenue Road, Suite 2900

  Toronto, ON, M5R, 3L2, Canada

  http://www.harpercollinsebooks.ca

  New Zealand

  HarperCollinsPublishers (New Zealand) Limited

  P.O. Box 1

  Auckland, New Zealand

  http://www.harpercollins.co.nz

  United Kingdom

  HarperCollins Publishers Ltd.

  77-85 Fulham Palace Road

  London, W6 8JB, UK

  http://www.harpercollinsebooks.co.uk

  United States

  HarperCollins Publishers Inc.

  10 East 53rd Street

  New York, NY 10022

  http://www.harpercollinsebooks.com