All Stories

  1. Archaeology

    Unusual mud shell covers an Egyptian mummy

    In ancient Egypt, commoners may have been mummified and then encased in mud to repair damage to the body or to imitate royal techniques used with royals.

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  2. Agriculture

    Healthy soils are life-giving black gold

    Scientists explain why everyone needs to value the soils beneath our feet — and why we should not view them as dirt.

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  3. Agriculture

    Soil (and its inhabitants) by the numbers

    Teeming with life, soils have more going on than most of us realize.

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  4. Ecosystems

    What you can do to improve soils

    Soils are the life-sustaining structures under our feet. Here are some tips for keeping soils healthy. First rule of thumb: Give more than you take.

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  5. Animals

    Unique dialects help naked mole-rats tell friends from foes

    Computer analysis reveals that these social rodents communicate with speech patterns distinct to each colony.

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  6. Chemistry

    Let’s learn about acids and bases

    Acids give away particles with positive charge. Bases accept positively charged particles. They are both critical for chemical reactions.

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  7. Animals

    A new chameleon species may be the world’s tiniest reptile

    The newly described reptiles live in the northern forests of Madagascar. Deforestation there may also leave them on the brink of extinction.

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  8. Planets

    Scientists Say: Planet

    Planets have to orbit a star, be big enough to form a sphere and keep other objects out of their path around their star.

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  9. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

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  10. Earth

    Explainer: What are aerosols?

    We may not see them, but tiny particles and droplets cloud the air, affecting its properties. Some may be pollutants, others all-natural products.

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  11. Climate

    Can wildfires cool the climate?

    Severe wildfires are becoming more common. Science is showing that the tiny particles they release into the air can alter Earth’s temperature — sometimes cooling it.

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  12. Materials Science

    Super-absorbent swab could curb errors in COVID-19 testing

    A new super-absorbent swab could cut down on false negatives from COVID-19 testing. And that could help slow spread of the disease.

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