Chemistry

  1. Chemistry

    Scientists Say: Plastic

    Plastics are made of long polymer chains and can take on many shapes. Unfortunately, they stick around for a long time.

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  2. Chemistry

    New solution for carbon dioxide: Turn it into ‘green’ fuel

    Chemists have created a new way to convert carbon dioxide into ethanol. It might one day help remove excess CO2 — a greenhouse gas — from the air.

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  3. Chemistry

    Build ice towers with bottled water and ice

    Pour out liquid water into a solid ice tower. We outline the conditions you’ll need to turn this demonstration into a super-cool experiment.

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  4. Chemistry

    Stinky success: Scientists identify the chemistry of B.O.

    They turned up the enzyme in bacteria behind that underarm stench. Understanding how it works could pave the way to new types of deodorant.

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  5. Chemistry

    Scientists say: Chemical

    A chemical is anything made of two or more atoms bonded together in a fixed structure. Chemicals make up the world around us.

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  6. Animals

    A single chemical may draw lonely locusts into a hungry swarm

    Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.

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  7. Agriculture

    Scientists Say: Carbohydrate

    Carbohydrates are molecules with carbon, oxygen and hydrogen. Animals break down these chemicals in food to get energy.

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  8. Chemistry

    Let’s learn about batteries

    Many things in our lives rely on batteries. Here’s how scientists are working to make new ones — and make existing batteries safer.

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  9. Fossils

    Early dinosaurs may have laid soft-shelled eggs

    Scientists for the first time have turned up evidence of fossils from soft-shelled dinosaur eggs. This has scientists rethinking how dinosaur eggs evolved.

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  10. Environment

    Australian wildfires pumped smoke to record heights

    Wildfires in Australia in late December and early January spurred an unusual smoke plume that still hasn’t fully dispersed.

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  11. Chemistry

    Scientists Say: Atom

    An atom is the smallest possible piece of a chemical element.

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  12. Chemistry

    Working up a sweat may one day power up a device

    Tech that turns sweat into power may make for greener gadgets. A new device uses perspiration to charge a supercapacitor and run a sensor.

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