Life's Edge: The Search for What It Means to Be Alive

(Paperback)

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This book is not just about life, but about discovery itself. It is about error and hubris, but also about wonder and the reach of science. And it is bookended with the ultimate question: How do we define the thing that defines us - Siddhartha Mukherjee, author of The Gene We all assume we know what life is, but the more scientists learn about the living world - from protocells to brains, from zygotes to pandemic viruses - the harder they find it is to locate the edges of life, where it begins and ends. What exactly does it mean to be alive Is a virus alive Is a foetus Carl Zimmer investigates one of the biggest questions of all: What is life The answer seems obvious until you try to seriously answer it. Is the apple sitting on your kitchen counter alive, or is only the apple tree it came from deserving of the word If we can't answer that question here on earth, how will we know when and if we discover alien life on other worlds The question hangs over some of society's most charged conflicts - whether a fertilized egg is a living person, for example, and when we ought to declare a person legally dead. Life's Edge is an utterly fascinating investigation by one of the most celebrated science writers of our time. Zimmer journeys through the strange experiments that have attempted to recreate life. Literally hundreds of definitions of what that should look like now exist, but none has yet emerged as an obvious winner. Lists of what living things have in common do not add up to a theory of life. It's never clear why some items on the list are essential and others not. Coronaviruses have altered the course of history, and yet many scientists maintain they are not alive. Chemists are creating droplets that can swarm, sense their environment, and multiply. Have they made life in the lab Whether he is handling pythons in Alabama or searching for hibernating bats in the Adirondacks, Zimmer revels in astounding examples of life at its most bizarre. He tries his own hand at evolving life in a test tube with unnerving results. Charting the obsession with Dr Frankenstein's monster and how Coleridge came to believe the whole universe was alive, Zimmer leads us all the way into the labs and minds of researchers working on engineering life from the ground up.

Reviews

This book is not just about life, but about discovery itself. It is about error and hubris, but also about wonder and the reach of science. And it is bookended with the ultimate question: How do we define the thing that defines us

-- Siddhartha Mukherjee, author of The Gene * New York Times *
Profound, lyrical, and fascinating, Lifes Edge will give you a newfound appreciation for life itself. It is the work of a master science writer at the height of his skills a welcome gift at a time when life seems more precious than ever. -- Ed Yong, author of I Contain Multitudes
A fascinating and well-written mapping of the edges of biology, which will have broad appeal to nonscientists. * Library Journal (starred review) *
Diligently tackles the true definition of life . . . Zimmer invites us to observe, ponder, and celebrate life's exquisite diversity, nuances, and ultimate unity. * Booklist (starred review) *
A master science writer explores the definition of life . . . An ingenious case that the answers to life's secrets are on the horizon. * Kirkus Reviews *
A pop science tour de force. * Publishers Weekly *
Carl Zimmer shows what a great suspense novel science can be. Life's Edge is a timely exploration in an age when modern Dr. Frankensteins are hard at work, but Carls artful, vivid, irresistible writing transcends the moment in these twisting chapters of intellectual revelation. Prepare to be enthralled. -- Jennifer Doudna, Nobel Laureate, co-author of A Crack in Creation

Author Bio

Carl Zimmer writes the Matter column for the New York Times and has frequently contributed to the Atlantic, National Geographic, Time, and Scientific American. He has won the American Association for the Advancement of Science's Science Journalism Award three times, among a host of other awards and fellowships. He teaches science writing at Yale, has been a guest on NPR's RadioLab, Science Friday, and Fresh Air, and maintains an international speaking schedule. He is the author of thirteen books about science, including She Has Her Mother's Laugh, which was shortlisted for the Baillie Gifford Prize in 2018.