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  • Hypothetical life forms

    Hypothetical life forms

    • This piglix contains articles or sub-piglix about Hypothetical life forms

    • Extraterrestrial life

    • This piglix contains articles or sub-piglix about Extraterrestrial life


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    • After Man

    • After Man: A Zoology of the Future (1981, ) is a 1981 book by the Scottish geologist and author, Dougal Dixon. In it, he presents his hypothesis of various organisms apparent after a mass extinction succeeding our own time. In this new period of the Cenozoic, called the Posthomic, Dixon assumes that Europe and A ... Read »


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    • All Tomorrows

    • All Tomorrows

      All Tomorrows is a speculative book written and illustrated by C.M. Kosemen, under the pen name Nemo Ramjet. It tells the journey of the evolution of human race over the next billion years, counting from the date man colonized the solar system, to their galactic dominance and ultimate disappearance. ... Read »


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    • Aquatic ape hypothesis

    • The aquatic ape hypothesis (AAH), also referred to as aquatic ape theory (AAT) and more recently the waterside model, is the idea that the ancestors of modern humans were more aquatic in the past. The hypothesis in its present form was proposed by the marine biologist Alister Hardy in 1960 who argued that a branch of a ... Read »


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    • Evolution (Baxter novel)

    • Evolution

      Evolution is a collection of short stories that work together to form an episodic science fiction novel by author Stephen Baxter. It follows 565 million years of human evolution, from shrewlike mammals 65 million years in the past to the ultimate fate of humanity (and its descendants, both biological and non-biological ... Read »


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    • Future Evolution

    • Future Evolution

      Future Evolution is a book written by paleontologist Peter Ward and illustrated by Alexis Rockman. He addresses his own opinion of future evolution and compares it with Dougal Dixon's After Man: A Zoology of the Future and H. G. Wells's The Time Machine. According to Ward, humanity may exist for a long time. Neverthel ... Read »


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    • The Future Is Wild

    • External video

      The Future Is Wild is a 2002 thirteen-part documentary television miniseries. Based on research and interviews with several scientists, the miniseries shows how life could evolve in the future if humans were to disappear from the Earth altogether through extinction. The version broadcast on the Discovery Channel modifi ... Read »


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    • Hypothetical types of biochemistry

    • Hypothetical types of biochemistry are forms of biochemistry speculated to be scientifically viable but not proven to exist at this time. The kinds of living organisms currently known on Earth all use carbon compounds for basic structural and metabolic functions, water as a solvent, and DNA or RNA to define and control ... Read »


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    • Last and First Men

    • Last and First Men

      Last and First Men: A Story of the Near and Far Future is a "future history" science fiction novel written in 1930 by the British author Olaf Stapledon. A work of unprecedented scale in the genre, it describes the history of humanity from the present onwards across two billion years and eighteen distinct human species, ... Read »


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    • Last universal common ancestor

    • The last universal common ancestor (LUCA), also called the last universal ancestor (LUA), cenancestor, or (incorrectly) progenote, is the most recent population of organisms from which all organisms now living on Earth have a common descent. LUCA is the most recent common ancestor of all current life on Earth. LUCA sho ... Read »


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    • Man After Man

    • Man After Man: An Anthropology of the Future (1990, ) is a speculative book written by Scottish geologist Dougal Dixon and illustrated by Philip Hood. The theme of the book is a hypothetical exploration of the possibilities of the future human evolution. Unlike his previous two books, his story context focuses on indi ... Read »


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    • Nanobacterium

    • Nanobacterium (NAH-no-bak-TEER-ee-əm, pl. nanobacteria NAH-no-bak-TEER-ee-uh) is the unit or member name of a proposed class of living organisms, specifically cell-walled microorganisms with a size much smaller than the generally accepted lower limit for life (about 200 nm for bacteria, like mycoplasma). Originally ... Read »


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    • Nanobe

    • A nanobe is a tiny filamental structure first found in some rocks and sediments. Some scientists hypothesize that nanobes are the smallest form of life, 1/10 the size of the smallest known bacteria. No conclusive evidence exists that these structures are, or are not, living organisms, so their classification is contro ... Read »


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    • Precambrian rabbit

    • "Precambrian rabbits" or "fossil rabbits in the Precambrian" are reported to have been among responses given by the biologist J.B.S. Haldane when asked what evidence could destroy his confidence in the theory of evolution and the field of study. The answers became popular imagery in debates about evolution and the scie ... Read »


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    • Rotating locomotion in living systems

    • Several organisms are capable of rolling locomotion; however, true wheels and propellers—despite their utility in human vehicles—do not appear to play a significant role in the movement of living things (with the notable exception of certain flagella, which function like corkscrews). Biologists have expounded ... Read »


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    • Son of Man (novel)

    • Son of Man is a science fiction novel by American writer Robert Silverberg, published in 1971. The book is about Clay, a 20th-century man, who travels billions of years into the future and meets humanity in its future forms. Some of the issues discussed in the book are sexuality, telepathic communication between people ... Read »


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