All Stories

  1. Animals

    Bottlenose dolphin moms use baby talk with their calves

    When their babies are near, bottlenose dolphin moms modify their signature whistles, similar to human parents speaking in baby talk.

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  2. Anthropology

    Fossil marks suggest hominids butchered one another around 1.45 million years ago

    Researchers disagree whether new evidence of stone tool marks on a hominid leg bone reflects ancient cannibalism or perhaps some other, undetected behavior.

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  3. Readers ask about Saturn’s icy rings, transparent fish and more

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  4. Boys and girls are suffering, but in different ways

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  5. Astronomy

    50 years ago, a search for proof that the Maya tracked comets came up short

    The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.

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  6. Life

    1.6-billion-year-old steroid fossils hint at a lost world of microbial life

    Molecular fossils suggest the existence of a lost world of primitive eukaryotes that dominated aquatic ecosystems from at least 1.6 billion to 0.8 billion years ago.

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  7. Astronomy

    A star cluster in the Milky Way appears to be as old as the universe

    Globular cluster M92 is about 13.8 billion years old, a new calculation suggests. Getting the age right could help resolve a bigger cosmic conundrum.

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  8. Earth

    Irrigation may be shifting Earth’s rotational axis

    Computer simulations suggest that from 1993 to 2010 irrigation alone could have nudged the North Pole by about 78 centimeters.

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  9. Genetics

    The first gene therapy for muscular dystrophy has been approved for some kids

    The U.S. Food and Drug Administration cleared a shortened version of a gene for a muscle protein to be used in 4- and 5-year-olds with muscular dystrophy.

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  10. Astronomy

    ‘Under Alien Skies’ imagines what the sky looks like on other planets

    Astronomer Philip Plait’s new book takes readers on a thrilling ride to Mars, Pluto and even a black hole.

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  11. The Hunga Tonga eruption sparked the highest-altitude lightning ever recorded

    The plume from the 2022 eruption spawned flashes of lightning that started 20 to 30 kilometers above sea level.

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  12. Astronomy

    Alien life may be possible even at the Milky Way’s edges

    Phosphorus detected far from the Milky Way’s center seems to extend the zone where life could exist in the galaxy by thousands of light-years.

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