Physics

  1. Health & Medicine

    Ultrasound might become a new way to manage diabetes

    Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.

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  2. Health & Medicine

    Explainer: What is ultrasound?

    These sound waves, which fall above the range of human hearing, are important in medicine, medical imaging and more.

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  3. Materials Science

    Scientists Say: Crystal

    The atoms or molecules in crystals take on a particular, repeatable pattern.

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  4. Materials Science

    Could humans build a tall tower or giant rope to space?

    The movie Ad Astra shows a space antenna, a spindly structure reaching up into the stars. We look at what it would take to build something that big.

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  5. Animals

    High-speed camera reveals the secrets of a legless larva’s leap

    Research reveals how a blob of an insect can leap more efficiently than it crawls. Its body acts like a spring.

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  6. Chemistry

    Chemists have created a ring-shaped form of carbon

    A ring-shaped carbon molecule takes its place among buckyballs, carbon nanotubes and other odd forms of the element.

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  7. Materials Science

    High-tech crops may survive harsh conditions, even space

    Scientists have developed a non-invasive method for integrating metal-organic frameworks into plant tissue. This lays the foundation for resilient crops that can weather harsh conditions.

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  8. Physics

    This idea would turn the Earth into a giant space telescope

    One astronomer has a bold solution to getting around the high cost of building big telescopes.

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  9. Earth

    Americans consume some 70,000 microplastic particles a year

    The average American consumes more than 70,000 microplastic particles a year. Scientists hope this estimate will spur others to look at health risks.

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  10. Physics

    Sound ways — literally — to move and filter things

    New technologies use sound waves to move and levitate objects. It’s not magic — it’s acoustophoresis.

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  11. Physics

    If dark matter particles could kill us, they would have already

    Dark matter is a mysterious substance. The fact that no one has been killed by it suggests it is relatively small and light.

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  12. Chemistry

    Tiny new magnets are not only squishy but also liquid

    Researchers have just created liquid droplets that behave like tiny bar magnets. The movement of these external magnets might help control robots and more.

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