All Stories

  1. Artificial Intelligence

    To ‘green’ AI, scientists are making it less resource-hungry

    Energy demands of ChatGPT and similar AI tools can threaten Earth’s climate. So researchers have begun redesigning how to run data centers and build AI.

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  2. Physics

    How much fruit can you pull from a display before it topples?

    About 10 percent of the fruit in a tilted market display can be removed before it will crash down, computer models show.

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  3. Animals

    Paw-print DNA lets scientists track out-of-sight polar bears

    This environmental DNA can aid in conserving species that are hard or dangerous to observe.

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  4. Health & Medicine

    The teen brain is especially vulnerable to the harms of cannabis

    Today’s concentrated cannabis products — with higher THC levels — may pose greater risks of addiction and psychosis than ever before.

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  5. Life

    Scientists Say: Protist

    Unified by a few key traits, these diverse organisms come in all shapes and sizes.

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  6. Animals

    A newfound type of hedgehog is small, dark and adorable

    At first, this hedgehog was mistaken for a lookalike relative. But its teeth, skull shape and DNA confirmed it as a new species.

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  7. Science & Society

    Music has the power to move us physically and emotionally. Here’s why

    The way music impacts the brain can improve mood and overall health.

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  8. Animals

    Here’s how kingfishers avoid concussions during high-speed dives

    Understanding the genetic adaptations that protect the birds’ brains as they dive might one day offer clues to protecting human brains.

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  9. Materials Science

    Let’s learn about graphene

    Scientists have been trying to understand and harness this material’s superpowers since its discovery in 2004.

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  10. Math

    This civil engineer turns to math to make energy more affordable 

    Destenie Nock uses computer algorithms to help identify households struggling to afford utilities.

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  11. Physics

    Scientists Say: Polarized light

    Sunlight, lamplight and other lights are usually unpolarized. But passing light waves through filters can ‘polarize’ them.

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  12. Planets

    Huge polygons on Mars hint its equator may once have been frozen

    A Chinese rover used radar to reveal long-buried terrain. The discovery hints that Mars’ equator was once much colder and wetter.

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