Search Results for: Chimpanzee

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966 results

966 results for: Chimpanzee

  1. Repeat After Me

    New research suggests that the ability to infer the thoughts and feelings of others grows out of a capacity for imitation exhibited by human infants and perhaps by other animals, as well.

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  2. Sizing Up the Brain

    Genetic mutations that produce small brains provide insight into the formation and evolution of the human brain.

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  3. Anthropology

    Evolution’s Surprise: Fossil find uproots our early ancestors

    Researchers announced the discovery of a nearly complete fossil skull, along with jaw fragments and isolated teeth, from the earliest known member of the human evolutionary family, which lived in central Africa between 7 million and 6 million years ago.

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  4. Anthropology

    The Stone Masters

    Investigations of modern-day expert and novice craftsmen of stone tools and decorative stone beads offer insights into the making of stone implements thousands and perhaps even millions of years ago.

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  5. Cries and Greetings

    Baboon intimacy and detachment present vexing clues.

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  6. Health & Medicine

    What Activates AIDS?

    New studies suggest that a natural process called immune activation—the signaling that alerts immune cells of foreign invaders—plays a key role in explaining why infection with the human immunodeficiency virus progresses to AIDS more quickly in some people than in others.

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  7. Archaeology

    Almond Joy, Stone Age Style: Our ancestors had a bash eating wild nuts

    New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple.

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  8. Anthropology

    Care-Worn Fossils

    A nearly toothless fossil jaw found in France has reignited scientific debate over whether the skeletal remains of physically disabled individuals show that our Stone Age ancestors provided life-saving care to the ill and infirm.

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  9. Female chimps don’t stray in mate search

    Genetic testing of chimpanzees living in western Africa indicates that females usually seek mates within their home communities, a finding that contradicts some previous reports.

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  10. Health & Medicine

    Death of a theory

    Three separate analyses of oral polio vaccine used in the 1950s in Africa deflate the theory that such a vaccine could have ignited the AIDS epidemic by containing virus-infected chimpanzee cells.

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  11. Evolutionary Upstarts

    Theories of the evolution of the human mind are evolving, with some researchers now presenting alternatives to the dominant notion that genetic competition for survival during the Stone Age yielded brains stocked with a bevy of instincts for specific types of thinking.

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  12. Anthropology

    Earliest Ancestor Emerges in Africa

    Scientists have found 5.2- to 5.8-million-year-old fossils in Ethiopia that represent the earliest known members of the human evolutionary family.

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