Humans

  1. Archaeology

    Stone tools put early hominids in China 2.1 million years ago

    Newly discovered stone tools in China suggest hominids left Africa 250,000 years earlier than we thought.

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  2. Science & Society

    In research, detours are a key part of discovery

    Editor in Chief Nancy Shute discusses the scientific process and the often contradictory research about Alzheimer's disease.

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  3. Health & Medicine

    Air pollution is triggering diabetes in 3.2 million people each year

    A new study quantifies the link between smoggy air and diabetes.

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  4. Health & Medicine

    No matter their size, newborn stomachs need frequent filling

    Studies on newborn stomach size help explain why the tiny humans need to eat so frequently.

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  5. Genetics

    North America’s earliest dogs came from Siberia

    North America’s first dogs have few descendants alive today, a study of ancient DNA suggests.

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  6. Anthropology

    Foot fossil pegs hominid kids as upright walkers 3.3 million years ago

    A foot from an ancient hominid child suggests that Lucy’s species, Australopithecus afarensis, walked early in life.

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  7. Health & Medicine

    Evidence grows that an HPV screen beats a Pap test at preventing cancer

    More research finds that a test for human papillomavirus infection catches precancerous cervical cells better than the standard test, a Pap.

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  8. Archaeology

    Mongolians practiced horse dentistry as early as 3,200 years ago

    Horse dentistry got an early start among Bronze Age Mongolian herders.

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  9. Health & Medicine

    Finally, there’s a way to keep syphilis growing in the lab

    Scientists have figured out how to keep a sample of the bacteria Treponema pallidum alive and infectious for over eight months.

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  10. Genetics

    The study of human heredity got its start in insane asylums

    ‘Genetics in the Madhouse’ reveals how human heredity research began as a statistical science in 19th century insane asylums.

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  11. Psychology

    Kids today are waiting longer than ever in the classic marshmallow test

    Preschoolers wait longer for extra treats than they used to. What does it mean?

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  12. Life

    Leprosy lurks in armadillos in Brazil’s Amazon

    Armadillos in the Brazilian Amazon are often infected with leprosy, which they may pass to people.

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