All Stories

  1. Animals

    How to tell if cats are having fun — or if fur is flying

    Quietly wrestling cats may be hard at play. But if they’re chasing and yowling, you might have a cat fight on your hands.

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  2. Chemistry

    This forensic scientist is taking crime science out of the lab 

    Kelly Knight uses her past struggles and passion for forensics to inspire her students.

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  3. Microbes

    Scientists Say: Virus

    A virus must take over a living cell's machinery to make more viruses.

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  4. Chemistry

    Experiment: Keep your candy cool with the power of evaporation!

    In this science project, use the energy produced when water evaporates to cool down chocolate-covered candy so it doesn't melt.

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  5. Health & Medicine

    Fentanyl deaths have spiked among U.S. kids and teens. Here’s what to know

    A pediatrician discusses how teens can protect themselves and their friends from this extremely deadly drug.

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  6. Fossils

    Ocean life may have bounced back after the ‘Great Dying’

    Marine ecosystems may have been back in action just a million years after the most severe extinction event known.

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  7. Humans

    How fingerprints form is no longer a mystery

    A mathematical theory proposed in the 1950s helps explain how fingerprint patterns such as arches, loops and whorls arise.

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  8. Ecosystems

    Let’s learn about how wildfires keep ecosystems healthy

    Wildfires are so important for many ecosystems that sometimes professionals set them on purpose.

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  9. Chemistry

    Scientists Say: PFAS

    Non-stick coatings, stain-resistant cloth and other common materials leach long-lived PFAS into soil and water.

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  10. Climate

    Due to global warming, major league hitters are slugging more home runs

    Major League Baseball has seen an average of 58 more home runs each season since 2010. The apparent reason: reduced friction on the balls in warmer air.

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  11. Tech

    Recycling rare-earth elements is hard — but worth it

    As demand for these valuable metals has been skyrocketing, scientists have begun inventing new — and greener — ways to reuse what they have in hand.

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  12. Earth

    Rare earths’ hidden electrons make much of modern tech possible

    Because of their unique chemistry, rare-earth elements can generate powerful magnetic fields and fine-tune light for a wide range of applications.

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