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A (Very) Short History of Life on Earth: 4.6 Billion Years in 12 Pithy Chapters

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Dogged original research and superb narrative skills come together in this gripping account of pitiless evil. Some even experimented with multicellular life, such as the 1,200-million-year-old seaweed Bangiomorpha26 and the approximately 900-million-year-old fungus Ourasphaira.27 But there were stranger things. The earliest known signs of multicellular life are 2,100 million years old. Some of these creatures are as large as twelve centimeters across, so hardly microscopic, but they are so strange in form to our modern eyes that their relationship with algae, fungi, or other organisms is obscure.28 They could have been some form of colonial bacteria, but we cannot discount the possibility that there once lived entire categories of living organisms—bacterial, eukaryote, or something entirely other—that died out without leaving any descendants and that we should therefore find hard to comprehend. Life teems through Henry Gee’s lyrical prose – colossal supercontinents drift, collide, and coalesce, fashioning the face of the planet as we know it today. Creatures are engagingly personified, from ‘gregarious’ bacteria populating the seas to duelling dinosaurs in the Triassic period to magnificent mammals with the future in their (newly evolved) grasp. Those long extinct, almost alien early life forms are resurrected in evocative detail. Life’s evolutionary steps – from the development of a digestive system to the awe of creatures taking to the skies in flight – are conveyed with an alluring, up-close intimacy. About the author And the human interior, despite its wide variation in acidity and temperature, is, in bacterial terms, a gentle place. There are bacteria for which the temperature of a boiling kettle is as a balmy spring day. There are bacteria that thrive on crude oil, on solvents that cause cancer in humans, or even in nuclear waste. There are bacteria that can survive the vacuum of space, violent extremes of temperature or pressure, and entombment inside grains of salt—and do so for millions of years.14 Daniel E. Lieberman, Edwin M. Lerner II professor of Biological Sciences, Harvard University and author of Exercised

The way the book is formatted you move forward through time with the Earth as it starts out in the earliest and then move forward. Each chapter is nicely grouped and none stand out as being overwhelming or unnecessary. I loved that as he moved through the evolution Henry Gee didn’t just focus on the animal life, he looked at the plant life as well. There were interesting facts I didn’t know and none of the science was too technical. There was always an explanation to help the layman to understand subjects they might not have encountered.Eukaryotes emerged, quietly and modestly, between around 1,850 and 850 million years ago.22 They started to diversify around 1,200 million years ago into forms recognizable as early single-celled relatives of algae and fungi and into unicellular protists, or what we used to call protozoa.23 For the first time, they ventured away from the sea and colonized freshwater ponds and streams inland.24 Crusts of algae, fungi, and lichens25 began to adorn seashores once bare of life.

My favourite chapter of all, even though it's inevitably speculative, was the one titled The Past of the Future, where Gee takes us through what is likely to happen to life on a future Earth, including its our and its eventual extinction - this has a slightly wistful, but inevitable feel to it and is quite remarkable. This takes us around a billion years ahead from now - so the whole span of the book is more like 5.5 billion years. Don’t miss this delightful, concise, sweeping masterpiece! Gee brilliantly condenses the entire, improbable, astonishing history of life on earth—all 5 billion years—into a charming, zippy and scientifically accurate yarn. I honestly couldn’t put this book down, and you won’t either." I can honestly say this book terrified me yet gave me hope at the same time. I know you're probably thinking, really? It's a book about the history of the earth, what exactly are you terrified about? Well, for one, it's truly astounding just how many times the earth has nearly wiped out all life in its existence.

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Once upon a time, a giant star was dying. It had been burning for millions of years; now the fusion furnace at its core had no more fuel to burn. The star created the energy it needed to shine by fusing hydrogen atoms to make helium. The energy produced by the fusion did more than make the star shine. It was vital to counteract the inward pull of the star’s own gravity. When the supply of available hydrogen began to run low, the star began to fuse helium into atoms of heavier elements such as carbon and oxygen. By then, though, the star was running out of things to burn. At some point before 2 billion years ago, small colonies of bacteria began to adopt the habit of living inside a common membrane.15 It began when a small bacterial cell, called an archaeon,16 found itself dependent on some of the cells around it for vital nutrients. This tiny cell extended tendrils toward its neighbors so they could swap genes and materials more easily. The participants in what had been a freewheeling commune of cells became more and more interdependent. The Earth’s heat, radiating outward from the molten core, keeps the planet forever on the boil, just like a pan of water simmering on a stove. Heat rising to the surface softens the overlying layers, breaking up the less dense but more solid crust into pieces and, forcing them apart, creates new oceans between. These pieces, the tectonic plates, are forever in motion. They bump against, slide past, or burrow beneath one another. This movement carves deep trenches in the ocean floor and raises mountains high above it. It causes earthquakes and volcanic eruptions. It builds new land. The evolution of the nucleus allowed for a more organized system of reproduction. Bacterial cells generally reproduce by dividing in half to create two identical copies of the parent cell. Variation from the addition of extra genetic material is piecemeal and haphazard. A]n exuberant romp through evolution, like a modern-day Willy Wonka of genetic space. Gee’s grand tour enthusiastically details the narrative underlying life’s erratic and often whimsical exploration of biological form and function.” —Adrian Woolfson, The Washington Post

Exhilaratingly whizzes through billions of years . . . Gee is a marvellously engaging writer' - The Times definitely feels rushed at several chapters (especially chapter 3, 4), with a lot of facts that fit well into the bigger picture, but many of those facts are well forgotten. Henry Gee’s whistle-stop account of the story of life (and death — lots of death) on Earth is both fun and informative. Even better, it goes beyond the natural human inclination to see ourselves as special and puts us in our proper place in the cosmic scheme of things." A warts-and-all portrait of the famed techno-entrepreneur—and the warts are nearly beyond counting. In writing this book, Henry Gee had a lot to live up to. His earlier title The Accidental Species was a superbly readable and fascinating description of the evolutionary process leading to Homo sapiens. It seemed hard to beat - but he has succeeded with what is inevitably going to be described as a tour-de-force.A (Very) Short History of Life is an enlightening story of survival, of persistence, illuminating the delicate balance within which life has always existed, and continues to exist today. It is our planet like you’ve never seen it before. The first rumbles of an oncoming storm came from the rifting and breakup of a supercontinent, Rodinia. This included every significant landmass at the time.29 One consequence of the breakup was a series of ice ages that covered the entire globe, the like of which had not been seen since the Great Oxidation Event. But life responded once again by rising to the challenge. In the tradition of Richard Dawkins, Bill Bryson, and Simon Winchester—An entertaining and uniquely informed narration of Life's life story. Another amazing early vertebrate adaptation was the development of air sacs, which first arose in dinosaurs and are still found in birds. This adaptation, which enabled a one-way system of air flow, also doubled as an efficient cooling system for internal organs.

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