All Stories

  1. Astronomy

    Satellite swarms may outshine the night sky’s natural constellations

    Simulations suggest that satellite “mega-constellations” will be visible to the naked eye all night long in some locations.

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  2. Readers discuss ‘uniquely human’ DNA and Mars’ volcanic activity

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  3. A desire for knowledge on many science fronts

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  4. Health & Medicine

    By taking on poliovirus, Marguerite Vogt transformed the study of all viruses

    She pioneered the field of molecular virology with her meticulous lab work and “green thumb” for tissue culture.

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  5. Paleontology

    Fossil tracks may reveal an ancient elephant nursery

    Fossilized footprints at a site in Spain include those of an extinct elephant’s newborns, suggesting the animals may have used the area as a nursery.

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  6. Archaeology

    Stone Age people used bone scrapers to make leather and pelts

    African cave finds include remains of skinned creatures and hide scrapers made from animal ribs.

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  7. Animals

    Some birds learn to recognize calls while still in their eggs

    For over a decade, behavioral ecologist Diane Colombelli-Négrel and colleagues have been studying how birds perceive sounds before hatching.

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  8. Climate

    Australian fires in 2019–2020 had even more global reach than previously thought

    Recent devastating wildfires in Australia added vast amounts of carbon dioxide to the air and triggered blooms of marine algae in the Southern Ocean.

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  9. Humans

    Fossils and ancient DNA paint a vibrant picture of human origins

    Paleoanthropologists have sketched a rough timeline of how human evolution played out, centering the early action in Africa.

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  10. Agriculture

    Potty-trained cattle could help reduce pollution

    About a dozen calves have been trained to pee in a stall. Toilet training cows on a large scale could cut down on pollution, researchers say.

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  11. Animals

    Mary Roach’s new book ‘Fuzz’ explores the ‘criminal’ lives of animals

    In “Fuzz: When Nature Breaks the Law,” author Mary Roach profiles mugging monkeys, thieving bears and other animal outlaws.

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  12. Earth

    How AI can help forecast how much Arctic sea ice will shrink

    Trained on sea ice observations and climate simulations, IceNet is 95 percent accurate in forecasting sea ice extent two months in advance.

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