Complexity Theory Takes Evolution to Another Level
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A group of scientists wants to revise Darwin's theory of evolution to better explain jumps in biological complexity, like that from single-celled to multicellular organisms.
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Irregular hors d'ouevres, scheduling mishaps, and the stockbroker's eternal dilemma.
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By Unnati Gandhi  Paleontologists have discovered dozens of fossils of a soft- bodied, deep-sea dweller that lived more than half a billion years ago, adding one more piece to the enigmatic puzzle that is the history of life on Earth.
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Science & environment: Discovery suggests that simple bacteria and animals might swap entire genes more often than previously thought.
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Evolution has gotten faster, and scientists think they know why: Microbes are swapping DNA from one species to another, giving the Darwinian process an added boost.
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For your inner entomologist: Insects that appear plucked from a future in which artificial intelligence has triumphed over the natural world.
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Metaplace builds a different architecture for virtual worlds.
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Science & environment: Humans are evolving faster than ever, says a new study tracking changes in our genes. But some scientists believe we may be going backwards
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As networks increase in size and complexity, security products are growing in sophistication and security threats are becoming more ingenious.
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A puffer fish genome sequence sheds light on human biology, and tells a twisted evolutionary story. By Kristen Philipkoski.
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Why do some words evolve rapidly, while others hardly evolve at all?
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A genetic study sheds light on the mystery of how fish made the move from water to land millions of years ago.
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By Munz, Tania  LORRAINE DASTON and GREGG MITMAN (eds.), Thinking with Animals: New Perspectives on Anthropomorphism. New York: Columbia University Press, 2005. Pp. vii+230. ISBN 0-2311.3038-4. Pounds 32.00, $49.50 (hardback).
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Rise of the Machinesâ¢ scuttles a little closer
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Why changes in the workplace may give females an evolutionary advantage
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Forget genetic engineering. The new idea is synthetic biology, an effort to rewire the genetic circuitry of living organisms.
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Chess is very hard. As the game proceeds through its early and middle stages, the number of possible moves greatly increases.