Search Results for: Bears

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6,733 results
  1. Humans

    This ancient Canaanite comb is engraved with a plea against lice

    The Canaanite comb bears the earliest known instance of a complete sentence written in a phonetic alphabet, researchers say.

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  2. Physics

    Superconductor research surges forward despite controversy over stunning claims

    After retractions from Ranga Dias’ group, high-pressure physicists are feeling the squeeze, fearing the controversy will tarnish other research.

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  3. Microbes

    Watch: Recent microbial discoveries are changing our view of life on Earth

    Videos capture the strange movements and predatory styles of protists — among the closest microbial cousins to multicellular life.

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  4. Anthropology

    Homo naledi may have dug cave graves and carved marks into cave walls

    Proposed discoveries of humanlike activities by these ancient, small-brained hominids have elicited skepticism from some researchers.

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  5. Math

    Here’s a peek into the mathematics of black holes

    The universe tells us slowly rotating black holes are stable. A nearly 1,000-page proof confirms it.

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  6. Life

    Orca moms baby their adult sons. That favoritism pays off — eventually

    By sharing fish with their adult sons, orca moms may skimp on nutrition, cutting their chances of more offspring but boosting the odds for grandwhales.

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  7. Humans

    The world population has now reached 8 billion

    In a first, the global population surpassed this milestone on November 15, according to a projection from the United Nations.

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  8. Planetary Science

    The last vital ingredient for life has been discovered on Enceladus

    The underground ocean on Saturn’s icy moon may contain phosphorus in concentrations thousands of times greater than those found in Earth’s ocean.

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  9. Paleontology

    Pterosaurs may have evolved from tiny, fast-running reptiles

    A mysterious little ground-dwelling reptile unearthed in a Scottish sandstone over 100 years ago turns out to be part of a famous flying family.

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  10. Archaeology

    How Asia’s first nomadic empire broke the rules of imperial expansion

    New studies reveal clues to how mobile rulers assembled a multiethnic empire of herders known as the Xiongnu more than 2,000 years ago.

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  11. Paleontology

    Ancient fish fossils highlight the strangeness of our vertebrate ancestors

    New fossils are revealing the earliest jawed vertebrates — a group that encompasses 99 percent of all living vertebrates on Earth, including humans.

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  12. Chemistry

    These chemists cracked the code to long-lasting Roman concrete

    Roman concrete has stood the test of time, so scientists searched ruins to unlock the ancient recipe that could help architecture and climate change.

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