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  1. Physics

    Scientists used lasers to make ‘smoke rings’ of light

    Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.

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  2. Animals

    Sleepy mosquitoes prefer dozing over dining

    Mosquitoes repeatedly shaken to prevent slumber lagged behind well-rested ones when offered a leg to feed on.

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  3. Planets

    Scientists Say: Habitable Zone

    The habitable zone is the region around a star where temperatures could be right for worlds to host liquid water.

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  4. Tech

    You might someday ‘wallpaper’ your bedroom with this loudspeaker

    This thin, flexible and lightweight loudspeaker could reduce noise in loud spaces. It also might enable listeners to experience sound in new ways.

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  5. Physics

    When dominoes fall, how fast the row topples depends on friction

    Two types of friction help determine how quickly a line of dominoes collapses, computer modeling shows.

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  6. Chemistry

    Simple process destroys toxic and widespread ‘forever’ pollutants

    Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.

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  7. Animals

    Butterfly ‘tails’ might be part of an escape tactic

    Slender, tail-like extensions on their wings may help some butterflies survive attacks by hungry predators.

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  8. Space

    Let’s learn about surviving a trip to Mars

    Getting to and surviving on the Red Planet will take lots of innovation.

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  9. Computing

    Scientists Say: Supercomputer

    These ultrafast computers perform complex calculations for research on cancer, quantum physics and more.

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  10. Computing

    A new supercomputer just set a world record for speed

    Able to perform more than a quintillion calculations per second, it will allow scientists to study exploding stars, subatomic particles and more.

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  11. Tech

    Virtual critters evolve bodies that help them learn

    A combination of evolution and learning may lead to more intelligent and agile robots.

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  12. Health & Medicine

    To test for COVID-19, a dog’s nose can match a nose swab

    Dogs can sniff out COVID-19 cases as well as PCR tests can — and are better at ID’ing cases having no symptoms, a new study finds.

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