All Stories

  1. Plants

    Electric shocks act like vaccines to protect plants from viruses

    To protect crops against viruses in their home country of Taiwan, two teens invented a novel approach to fight blights.

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  2. Health & Medicine

    Your bloodstream may be littered with the plastic you’ve eaten

    For the first time, scientists have found plastic particles circulating in human blood. No one yet knows whether those polluting bits might pose a risk to health.

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  3. Chemistry

    Let’s learn about cellulose

    The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.

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  4. Planets

    Analyze This: Some 5,000 planets orbit stars other than our sun

    A new cache of confirmed exoplanet discoveries marks a milestone in planets found beyond our solar system.

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  5. Math

    Scientists Say: Variable

    A variable is something that can be changed — such as a value in math, or a factor in an experiment.

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  6. Health & Medicine

    Like bloodhounds, worms are sniffing out human cancers

    Scents emitted by diseased cells may usher in a new era of safe, low-cost screening tests for cancer and other illnesses.

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  7. Tech

    Smartphones can now bring Ice Age animals back to ‘life’

    Scientists bring Ice Age creatures to life with augmented reality. You can view these creatures in your own world on a smartphone.

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  8. Psychology

    Prevention programs can help reduce teen dating violence

    Teen dating violence has many forms and affects an estimated one-third of teens. New studies explore what programs may help prevent this harm.

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  9. Psychology

    Five tips to consider when dating goes wrong

    When dating is more hurtful than loving, it may be time to ask if there may be big trouble — and harm — ahead.

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  10. Chemistry

    Cellulose may keep ice cream from turning gritty in your freezer

    Adding nanocrystals extracted from wood avoids the growth of ice crystals, keeping your treat smooth and creamy.

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  11. Space

    Explainer: All about orbits

    A handful of rules can describe the route some object repeatedly takes around another in space. Calculating that path, however, can be quite complex.

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  12. Tech

    This sun-powered system delivers energy as it pulls water from the air

    The device not only produces electricity but also harvests water for drinking or crops. It could be especially useful in remote and dry parts of the world.

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