Evolution

Evolution

by Stephen Baxter

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Overview

Evolution by Stephen Baxter

“Magisterial and uplifting . . . A brilliant, grandscale sampling of sixty-five million years of human evolution . . . It shows the sweep and grandeur of life in its unrelenting course.” —The Denver Post

Stretching from the distant past into the remote future, from primordial Earth to the stars, Evolution is a soaring symphony of struggle, extinction, and survival; a dazzling epic that combines a dozen scientific disciplines and a cast of unforgettable characters to convey the grand drama of evolution in all its awesome majesty and rigorous beauty. Sixty-five million years ago, when dinosaurs ruled the Earth, there lived a small mammal, a proto-primate of the species Purgatorius. From this humble beginning, Baxter traces the human lineage forward through time. The adventure that unfolds is a gripping odyssey governed by chance and competition, a perilous journey to an uncertain destination along a route beset by sudden and catastrophic upheavals. It is a route that ends, for most species, in stagnation or extinction. Why should humanity escape this fate?

Praise for Evolution

“Spectacular.”The New York Times Book Review

“Strong imagination, a capacity for awe, and the ability to think rigorously about vast and final things abound in the work of Stephen Baxter. . . . [Evolution] leaves the reader with a haunting portrayal of the distant future.”Times Literary Supplement

“A breath of fresh air . . . The miracle of Evolution is that it makes the triumph of life, which is its story, sound like the real story.”The Washington Post Book World

Product Details

ISBN-13: 9780345457837
Publisher: Random House Publishing Group
Publication date: 02/03/2004
Edition description: Reprint
Pages: 656
Sales rank: 512,751
Product dimensions: 4.18(w) x 6.88(h) x 1.41(d)

About the Author

Stephen Baxter is a trained engineer with degrees from Cambridge (mathematics) and Southampton Universities (doctorate in aeroengineering research). Baxter is the winner of the British Science Fiction Award and the Locus Award, as well as being a nominee for an Arthur C. Clarke Award, most recently for Manifold: Time. His novel Voyage won the Sidewise Award for Best Alternate History Novel of the Year; he also won the John W. Campbell Award and the Philip K. Dick Award for his novel The Time Ships. He is coauthor (with Sir Arthur C. Clarke) of Time’s Eye, the first of two SF novels linked to Clarke’s bestselling Space Odyssey series.

Read an Excerpt

dinosaur dreams

Montana, North America. Circa 65 million years before present.

I

At the edge of the clearing, Purga crept out of a dense patch of ferns. It was night, but there was plenty of light--not from the Moon, but from the comet whose spectacular tail spread across the cloudless sky, washing out all but the brightest stars.

This scrap of forest lay in a broad, shallow lowland between new volcanic mountains to the west--the mountains that would become the Rockies--and the Appalachian plains to the east. Tonight the damp air was clear; but often mists and fogs blew in from the south, born over the great inland sea that still pushed deep into the heart of North America. The forest was dominated by plants that could extract moisture from the air: Lichen coated the gnarled bark of the araucaria trees, and even the low magnolia shrubs dripped with moss. It was as if the forest had been coated with a layer of thick green paint.

But everywhere the leaves were soured, the moss and ground cover ferns browned. The rains, poisoned by gases from the great volcanic convulsion to the west, had been hard on plants and animals alike. It wasn't a healthy time.

Still, in the clearing, dinosaurs dreamed.

The thick night dew glistening from their yellow-black armor, ankylosaurs had gathered in a defensive circle, their young at the center. In the gentle Cretaceous air, these cold-blooded giants stood like parked tanks.

In the milky light Purga's large black eyes had fixed on a moth. The insect sat on a leaf, brown wings folded, fat and complacent. With an efficient lunge Purga caught her prey in her paws. She severed off the wings with a couple of nips of her tiny incisors. Then, with a noise like the crunch of a tiny apple, she began to munch with relish at the moth's abdomen. For this brief moment, with food in her mouth, Purga found a scrap of contentment in her crowded, difficult life.

The moth quickly died, its sparklike awareness incapable of recording much pain.

The moth consumed, Purga moved on. There was no grass cover here--the grasses had yet to dominate the land--but there was a green covering of low ferns, mosses, ground pine, horsetails, and conifer seedlings, even a few gaudy purple flowers. Through this tangle, scuttling between scraps of cover, she was able to progress almost silently. In the dark, solitary foraging was the best strategy. Predators worked by ambush, exploiting the shadows of the night; no group could have been as invisible as a lone prowler. And so Purga worked alone.

To Purga the world was a plain picked out in black, white, and blue, lit up by the uneasy light of the comet, which shone behind high scattered clouds. Her huge eyes were not as sensitive to color as the best dinosaur designs--some raptors could make out colors beyond anything that would be visible to humans, somber infrareds and sparkling ultraviolets--but Purga's vision worked well in the low light of night. And besides she had her whiskers, which fanned out before her like a tactile radar sweep.

Purga looked more rodentlike than primate, with whiskers, a pointed snout, and small folded-back ears. She was about the size of a small bush baby. On the ground she walked on all fours, and she carried her long bushy tail behind her, like a squirrel. To human eyes she would have seemed strange, almost reptilian in her stillness and watchfulness, perhaps incomplete.

But, as Joan Useb would one day learn, she was indeed a primate, a progenitor of that great class of animals. Through her brief life flowed a molecular river with its source in the deepest past, its destination the sea of the furthest future. And from that river of genes, widening and modifying as thousands of millennia passed, would one day emerge all of humanity: Every human ever born would be descended from the children of Purga.

She knew none of this. She didn't give herself a name. She was not conscious like a human--or even like a chimp or monkey; her mind was more like a rat's or a pigeon's. Her behavior was made up of fixed patterns, controlled by innate drives that constantly shifted in balance and priority, reaching a new sum each moment. She was like a tiny robot. She had no sense of self.

And yet she was aware. She knew pleasure--the pleasure of a full belly, the safety of her burrow, the snouts of her pups as they nuzzled her belly for milk--and, in this dangerous world, she knew fear very well.

She crept among the feet of dreaming ankylosaurs. As she moved beneath the immense bellies Purga could hear the huge rumble of the dinosaurs' endless digestion, and the air was thick with their noxious farts. With their crude teeth, all the work of processing and digesting their coarse food had to be done in the dinosaurs' vast guts, which labored even as the ankylosaurs slept.

The ankylosaurs were herbivorous dinosaurs. But this was a time of huge, ferocious predators. So these animals, larger than African elephants, were covered with armor, a fusion of bones, ribs, and vertebrae. Great yellow-black spines were embedded in their backs. Their skulls were so heavily reinforced there was little room left for brain. Their tails ended in heavy clubs that could smash legs or skulls.

The dinosaurs were too huge for Purga to comprehend. Hers was a small world, where a fallen log or a puddle was a major obstacle, where a scorpion could be a significant predator, where a fat millipede was a rare treat. To her, the dozing ankylosaur herd was a forest of immense stumpy legs and drooping tails that had no connection to each other.

But for Purga there was a rich prize here: dinosaur dung, immense heaps of it scattered in the muddy, trampled ground. Here, in fibrous mountains of roughly digested vegetation, she might find insects, even dung beetles, laboring to destroy the tremendous turds. She burrowed into the steaming stuff eagerly.

Thus had been the role of the ancestors of humanity, all through the long dinosaur summer: relegated to the fringe of the reptiles' great society, emerging from their burrows only at night, foraging for a living from dung, insects, and the small pickings of the forest.

But tonight the rewards were meager, the droppings watery and foul-smelling. The volcano-damaged vegetation had provided poor fodder for the ankylosaurs, and what came out the other end was of little value to Purga.

She moved across the clearing and into the forest. Here conifers towered grandly, rising to spreading mats of leaves far overhead. Among them were smaller trees a little like palms, and a few low bushes bearing pale yellow flowers.

Purga scrambled briskly into the angular branches of a ginkgo tree. As she climbed she used the scent glands in her crotch to mark the tree. In her world of night, scent and sound were more important than sight, and if others of her kind found this mark, any time within the next week, it would be a sign like a neon light, telling them she had been here, even how long ago she had passed.

It was pleasing to climb, to feel her muscles work smoothly as they hauled her high above the dangerous ground, to use the delicate balance afforded by her long tail--and, most of all, to jump, to fly briefly from one branch to another, using all her body's equipment, her balance, her agility, her grasping hands, her fine eyes. She was forced to shelter in burrows on the ground. But everything about her had been shaped by an existence in the complex three-dimensional environment of the trees, where almost all primate species, throughout the family's long history, would find refuge.

But the acid rain of recent months had withered the trees and undergrowth; the bark was sour, and there were few insects to be found.

Purga was perpetually hungry. She needed to consume her body weight every day: It was the price of her warm blood, and the milk she must produce for her two pups, safe in their burrow deeper in the forest. She clambered reluctantly back down the trunk of the ginkgo. Fear and hunger warring in her mind, she tried one or two more trees, but with no better luck.

But now she lifted her head, whiskers twitching, bright eyes wide, to peer into the green dark of the forest. She could smell meat: the alluring stench of broken flesh. And she heard a forlorn, helpless piping, like that of baby birds.

She scuttled away, following the scent.

In a small clearing at the base of a huge, gnarly araucaria there was a heap of roughly piled moss. At its edge, a small patch of debris-littered silt began to move. Soon the patch rose like a lid, and a small, scrawny neck poked out of the ground and through the layer of mud and debris. A beaklike mouth opened wide.

Its little head quivering, tiny scales and feathers still moist with yolk, the infant dinosaur took its first breath. It looked like an oversized baby bird.

It was the moment the didelphodon had been waiting for. This mammal, the size of a domestic cat, was one of the largest of its day. It was low slung, with a black-and-silver coat. Now it lunged forward and grabbed the chick by its thin neck, hauling it from its shell and flinging it into the air.

The chick's life was a handful of brief, vivid impressions: the cold air beyond its cracked shell, the blurred glow of the comet, a sense of flying. But now a hot cavern opened beneath it. Its skin still smeared with yolk, the chick died instantly.

Meanwhile more chicks were pushing out of the ground, hatching all at the same time. It was as if the ground were suddenly swarming with baby dinosaurs. The didelphodon, and more predatory mammals, closed in to feed.

An ancient survival strategy had been operating. Dinosaurs were reptiles who laid their eggs on the ground. Though some parents stayed with their brood, there was no way all the vulnerable eggs and chicks could be protected. So dinosaurs laid many eggs, and their hatchings were synchronized. There should have been dozens of broods hatching right now, scattered through this area of forest: hundreds of chicks. The idea was that suddenly the forest floor would be overwhelmed with baby dinosaurs, far too many for even the hungriest of predators. Most of the chicks would die, but that didn't matter. It was enough that some would survive.

But here, tonight, the strategy had gone wrong--horribly so for the dinosaur chicks. The mother of these chicks was a hunter isolated from her pack. Confused, hungry, scared of predation herself, she had laid her eggs in the old, familiar place--this rookery was millennia old--and covered them with rotting vegetation for warmth. She had done just what she should have done, save that it was the wrong time, and the eggs had been forced to hatch without the cover of hundreds of others.

The air was filled with the stink of blood, the low growls of the predators, and the sad peeping of the doomed chicks. There were many species of mammals represented here at this grisly banquet. The largest was the big didelphodon. There was a pair of deltatheridiums, ratlike omnivores, neither marsupial nor placental, a unique line that would not outlive the dinosaurs. Many of the creatures here had potential far beyond their present standing; one unprepossessing little creature was an ancestor of the line that would lead to the elephants.

But for now, all that concerned them was their empty bellies. Dissatisfied with the slow emergence of the struggling hatchlings, the mammals had already started to dig into the loose silt, seeking unbroken eggs, scattering the cover of moss laid over the nest by the mother dinosaur.

By the time Purga arrived the rookery had become a killing pit, a squirming mass of feeding mammalian bodies. Purga, late to the fray, burrowed eagerly into the dirt. Soon tiny bones crunched in her mouth. And, so deeply did she immerse her head in search of the deep-buried goodies, she was the last to sense the return of the mother dinosaur.

She heard an angry bellow, felt the ground shudder.

Her snout sticky with yolk, Purga pulled her head out of the dirt. The other mammals were already vanishing into the forest's welcoming green black. For one instant Purga saw the whole creature, an unlikely feathered monster suspended in the air, limbs splayed, mouth gaping. Then a vast clawed hand flashed out of the sky.

Purga hissed and rolled. Too late she learned that this was the nest of a troodon: an agile, fast-moving killer--and a specialist hunter of mammals.

The troodon's name meant "Wounding Tooth."

Wounding Tooth, the size of a dog, was not the largest of dinosaurs, but she was intelligent and agile. Her brain compared in size to that of the flightless birds of later eras she somewhat resembled. Her eyes were as large and as well night-adapted as Purga's, and they could see forward, giving her binocular vision, the better to triangulate on her small, fast-moving targets. She had legs that enabled her to spring like a kangaroo, a long sicklelike claw on the second toe of each foot, and hands like spades evolved specifically to dig out and crush scuttling mammals.

She was coated in small sleek feathers, an elaborate development of scales. The feathers weren't meant for flying, but for warmth during the night's chill. In the equable climate that swathed the Earth in these times, you didn't need a hot-blooded metabolic engine to keep warm: If you were big enough, your cold-blooded body would retain its heat right through the night, even if you lived at Earth's extremes, at the poles. But smaller dinosaurs, like the troodon, needed a little extra insulation.

Small or not, she had one of the largest brains of all dinosaurs. All in all, she was a well-equipped hunter. But Wounding Tooth had problems of her own.

She could not know it, but they had been caused by the widening of the Atlantic, the huge geological event that had dominated the whole of this Cretaceous period. As the Americas were pushed west, North America's huge inland seaway had shallowed and drained, and close to the western coast--just a few hundred kilometers from the troodon's hatching site--that line of new volcanoes had erupted like an angry wound. The volcanism had disturbed the complex web of life in many ways. The young volcanoes were almost continually active, belching out smoke and ash ladened with sulfur that, mixing with the rain, turned to acid. Many species of plants had vanished, and trees on the higher ground had been reduced to bare trunks. Elsewhere the destruction had been more direct, with vast fingers of cold lava reaching deep into the forest.


From the Hardcover edition.

Interviews

An Interview with Stephen Baxter
In January 2003, Barnes & Noble's Paul Goat Allen had the honor of asking Baxter a few questions about his motivation behind writing Evolution, his future -- and the future of humankind.

Paul Goat Allen: After finishing the epic Manifold trilogy, a narrative about humankind's place in the universe that spans countless millenniums, what was your motivation to write another Darwinian epic like Evolution?

Stephen Baxter: Manifold was about humanity's position in space -- are we alone in the universe or not, and what does the answer mean for us? By comparison, Evolution is about our position in time -- how we became what we are, what it means to be us now, what we might become in the future. A lot of my work is about this kind of context, I think: the sometimes chilling perspective of modern science, and what it tells us about the meaning of our lives.

PGA: A powerful moment in this story for me was during a conversation at the ecological conference when primatologist Alyce Sigurdardottir quoted Confucius: "Those who say it cannot be done need to get out of the way of the people who are doing it." In a world where so many people just seem to accept as fact that humankind will eventually wipe itself out -- along with every other living thing on the planet -- what actions do you hope people will take after reading Evolution?

SB: In Evolution humans might seem irrelevant -- we're just a leaf on a great branching evolutionary tree, here and gone in a flash. But in fact we're the most precious creatures of all, because we're the only primates who become conscious enough to understand our position on that tree, and the great gulfs all around us. Who knows, maybe intelligence is really difficult to evolve, even on a fecund world like Earth -- and we do seem to be alone in the universe (see Manifold!) -- so if we have any purpose it surely starts with trying to preserve our own fragile spark of awareness. But one lesson that was driven home to me researching Evolution is how much we are creatures of the ecology around us, and without it we won't survive! I'm optimistic though, and I believe that if we're smart enough to have survived 50 years of nuclear weapons without blowing ourselves to bits, we can survive 50 years of ecological change and will save the world, and ourselves.

PGA: After penning the Manifold novels and Evolution, what's your next project? And how do you go about preparing to write something new after spending so much time researching and writing such a monumental story?

SB: More about human evolution -- I'm working on a new series called Homo Superior, on our destiny in the future, starting with Coalescent -- hive minds in ancient Rome -- to be published February 2004 by Del Rey. I'm also collaborating with Sir Arthur C. Clarke on two new novels, also to be published by Del Rey. I'm lucky that working hard seems to keep me fresh, my brain enjoys the exercise! But a lot of my work is about different expressions of the same themes, the same awareness, and I think it feeds off itself.

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Evolution 4 out of 5 based on 0 ratings. 35 reviews.
Guest More than 1 year ago
This was a great read. There were a few graphic descriptions that might have been better had they been less so, but overall it was a spectacularly depressing book and you would certainly hope that we, as a species, don't go down the road envisioned here.
Yorkshiresoul on LibraryThing 4 days ago
In Evolution Baxter takes the reader on another of his epic explorations of the human condition. Here we follow the primates, from the earlist mouse sized hole dwellers in the age of dinosaurs all the way through the sweep of human genetic history ending with a strange primate/tree symbiosis in the distant future.Baxter points out that this is a work of fiction, not a textbook of human evolution. The creatures that spring from his imagination in both the distant past and the far future all well rounded and though provoking.My only criticism of Evolution is it's size, at just short of 800 pages it did get a little samey in parts.
Pferdina on LibraryThing 4 days ago
A very interesting attempt to trace the whole of human evolution, starting with the earliest primates in the time of the dinosaurs, through modern humans, and continuing to what may be after us. Although obviously fiction, this work contains much that is true, or true-enough, and gives the reader a useful perspective with which to think about our history and our future.
Anonymous 3 months ago
!
Anonymous 11 months ago
God must like Baxter...
Anonymous More than 1 year ago
Not your usual story line. On evolutionary time scales, human intelligence has only been around a split second.
Anna_ErishkigalAE More than 1 year ago
This book stayed with me a long time after I read it... As a rollicking science fiction tale, this book may leave the reader scratching their head. It is more a series of interrelated short stories and vignettes given from the viewpoint of creatures stretching back in time from the first tiny mammals to survive the impact which took out the dinosaurs, to the present, to the distant future when our planet is trashed and our sun has expanded to re-absorb the Earth. What this story -does- do more clearly than all the snoozer science textbooks we were forced to read in high school and college is take the various critical turning points of evolution, when some new adaptation or trait emerged to help our species evolve into the species we know of as homo sapiens today. And each of those vignettes is interesting, fully explained, and will leave the lay-reader with a thorough understanding of how we ended up where we are today. And then Baxter journeys into our future... With the same thoroughness, Baxter takes us through various plausibilities, extrapolating the choices we are making as a species today to ignore environmental degradation, civil unrest, aggression, and carries our species forward into the distant future, building upon the framework he built in the first half of the book to get us where we are evolutionarily speaking today, to show us where we are headed in the future ... and it is not pretty. 4 Evolutionary Monkeys
Anonymous More than 1 year ago
Anonymous More than 1 year ago
The author weaves threads of palentological science into a story that is fun to read and interesting to think about. One will be surprised at how Baxter has portrayed the future of the human species. As a lover of science fiction it is must read if only for a lesson on how science has pieced together the evolution of humans from the fossil record.
RobinATexas More than 1 year ago
This is my fave Baxter book! Starts with end of dinosaurs, proceeds up the evolutionary ladder until the end of the Earth. He's become my fave SF author in the past year. :)
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