Chemistry

  1. 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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  2. 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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  3. 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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  4. Tech

    A new solar-powered gel purifies water in a flash

    The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.

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  5. Chemistry

    Chemists have unlocked the secrets of long-lasting Roman concrete

    By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.

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  6. Environment

    Sea life may suffer as plastic bits alter metals in water

    This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.

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  7. Materials Science

    Let’s learn about the weird science of ice

    Better understanding of ice could lead to new deicing materials or even, someday, weather control.

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  8. Chemistry

    Scientists Say: Rubisco

    Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.

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  9. Materials Science

    Scientists Say: Hydrogel

    Tangled polymer chains help hydrogels hold their shape despite being full of water.

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  10. Environment

    For a better brick, just add poop

    Sewage sludge. Cow dung. They’re not just waste — scientists are finding uses for processed poop in construction materials.

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  11. Physics

    How salty does the sea have to be for an egg to float?

    Some objects float on top of the ocean, and other objects sink to the bottom. Why? Try this eggs-periment to find out!

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  12. Chemistry

    Explainer: All about carbon dioxide

    Animals and other life on Earth exhale carbon dioxide, which plants use for photosynthesis. But too much of this gas can perturb Earth’s climate.

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