All Stories

  1. Space

    Explainer: Calculating a star’s age

    Scientists can figure out a star's mass or composition pretty easily. Determining how old that star is, however, is a lot harder.

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  2. Computing

    Easy for you, tough for a robot

    Robots still can’t do many things that we find easy. Can engineers reduce how klutzy robots are and boost their common sense?

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  3. Climate

    Here’s how some sea-loving trees ended up far from the coast

    This “relict ecosystem” that’s more than thousands of years old moved inland due to warming and a rise in sea levels.

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  4. Physics

    Here’s why ducklings swim in a row behind mom

    Baby ducks save energy by surfing their mother’s waves, but only if they do it in an orderly line.

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  5. Oceans

    Scientists Say: Atoll

    Atolls form when coral reefs build up around underwater volcanoes.

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  6. Physics

    Future cars may offer personal sound zones — no earphones needed

    Zones that offer each passenger personal listening are closer to reality. A new design improves performance by adapting to the conditions in your car.

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  7. Humans

    Researchers role-played as Neandertals to learn how they hunted birds

    By pretending to be Neandertals, researchers show that the ancient hominids likely had the skills to hunt crowlike birds called choughs.

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  8. Earth

    What can ‘silent earthquakes’ teach us about the next Big One?

    Earthquakes usually last seconds. But sometimes, they can last days, or even years. Here’s what scientists are learning about these “slow-slip events.”

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  9. Brain

    Concussion patients should avoid screen time for first two days

    Teens may find it hard to avoid screen time, but data from a new study suggest it can speed their recovery.

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  10. Materials Science

    Analyze This: Hardened wood can make sharp steak knives

    Researchers treated wood to make it hard and dense. Out of it, they carved sharp knives and nails that could substitute for ones made of steel.

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  11. Space

    Let’s learn about auroras

    A gust of charged particles from the sun called the solar wind lights up auroras on Earth — and on other planets.

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  12. Physics

    Scientists Say: Convection

    Convection is a process that transfers heat through the movement of liquid or gas.

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