All Stories

  1. Animals

    Urchins are dying off across the Caribbean. Scientists now know why

    A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.

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  2. Neuroscience

    The classic map of how the human brain manages movement gets an update

    Functional MRI scans provide a new version of the motor homunculus, the mapping of how the primary motor cortex controls parts of the body.

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  3. Archaeology

    A prehistoric method for tailoring clothes may be written in bone

    A punctured bone fragment was probably a leatherwork punch board. Perforated leather sewn together may have been seams in clothing.

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  4. Climate

    Methane may not warm the Earth quite as much as previously thought

    Methane absorbs both longwave and shortwave radiation, with competing effects on climate, a study finds. The gas remains a potent warmer of the planet.

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  5. Animals

    Octopus, squid and cuttlefish arms evolved to ‘taste’ different compounds

    Octopus suckers can taste a variety of greasy, sticky molecules, while squid and cuttlefish suckers detect bitter compounds.

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  6. Planetary Science

    Saturn’s icy rings are probably heating its atmosphere, giving it an ultraviolet glow

    Detecting similar emission from a distant world could help astronomers find other planets that boast bright and beautiful rings.

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  7. Earth

    The Great Salt Lake is shrinking. What can we do to stop it?

    A dropping lake level affects agriculture, public health and the environment — but water conservation can halt the decline.

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  8. Readers react to a dwarf planet’s odd ring, dry farming and more

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  9. Tech

    50 years ago, a balloon circumnavigated the world for science

    A 1973 high-altitude flight kicked off an era of useful stratospheric balloon science. Some scientists worry that heightened concerns over alleged spy balloons might hamper that.

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  10. The many challenges of exploring hidden realms

    Editor in chief Nancy Shute discusses the challenges of studying the invisible or inaccessible, from the seafloor to hidden caverns buried underneath solid ice.

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  11. Climate

    The summer of 2021 was the Pacific Northwest’s hottest in a millennium

    Tree ring data from the Pacific Northwest reveal that the region’s average summer temperature in 2021 was the highest since at least the year 950.

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  12. Humans

    ‘Period’ wants to change how you think about menstruation

    Kate Clancy offers fascinating science and history about the uterus and menstruation in her book, Period: The Real Story of Menstruation.

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