Chemistry

  1. Health & Medicine

    Let’s learn about taste

    Taste tells us what’s good to eat, but scientists are still learning about how it works.

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  2. Chemistry

    Scientists Say: Molecule

    A molecule is a group of atoms linked with chemical bonds. It’s the smallest particle of a substance that has all of its chemical properties.

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  3. Tech

    Bye-bye batteries? Power a phone with fabric or a beacon with sound

    New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.

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  4. Chemistry

    A soil-based ‘concrete’ could make buildings green, even on Mars

    A new soil-based material offers an alternative to concrete for 3-D printing environmentally friendly buildings.

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  5. Tech

    Flexible devices may help clothes solar power your screens

    A fluorescent polymer duo boosts the efficiency of solar cells. One day this material may coat your jacket, hat or backpack to provide power on the go.

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  6. Chemistry

    Here’s how to make flip-flops biodegradable

    Innovative flip-flops made from an algae-based plastic decompose in soil or compost. The comfy shoes also avoid use of fossil fuels.

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  7. Earth

    Explainer: Our atmosphere — layer by layer

    Earth’s five layers extend from the ground up and into outer space. Each has its own distinct features and serves as the site of different activities and phenomena.

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  8. Tech

    Ordinary paper turns into flexible human-powered keypad

    Engineers have figured out how to turn sheets of paper into rugged, low-cost electronic devices, such as a computer keypad.

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  9. Plants

    Explainer: How photosynthesis works

    Plants can take in light, water and carbon dioxide, and send out sugar and oxygen. Here’s how it works.

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  10. Chemistry

    2020 chemistry Nobel goes for CRISPR, the gene-editing tool

    Only eight years after its development, CRISPR has revolutionized genetics. It also just brought Emmanuelle Charpentier and Jennifer Doudna acclaim.

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  11. Chemistry

    Study acid-base chemistry with at-home volcanoes

    Baking soda volcanoes are a fun demonstration, and with a few tweaks they can be an experiment, too

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  12. Chemistry

    How to recycle ‘nonrecyclable’ plastics

    A new process can convert some nonrecyclable plastics into a type that now can be reused. That could greatly cut down on wastes sent to landfills.

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