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  1. Brain

    Scientists Say: Stereoscopy

    Stereoscopy allows the brain to perceive the two 2-D images seen by the eyes as a 3-D scene.

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  2. Science & Society

    A major science fair set these scientists on the path to STEM success

    Alumni of the International Science and Engineering Fair talk challenges and payoffs of competitive science.

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  3. Space

    We finally have an image of the black hole at the heart of our galaxy

    New observations from the Event Horizon Telescope reveal the chaotic region around the Milky Way’s central black hole, Sagittarius A*, in extreme detail.

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  4. Environment

    Bubbles could help remove trash from rivers

    One young engineer devised a way to make bubbles sweep away the trash floating down a creek, like the one in her backyard.

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  5. Science & Society

    What it’s like to compete in the science fair ‘Olympics’

    Four recent alumni of the Regeneron International Science and Engineering Fair share their experiences.

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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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