Chemistry

  1. Chemistry

    Scientists Say: pH

    pH is a scale used to measure the acidity or alkalinity of a solution. The scale ranges from zero to 14, with seven as the perfect neutral middle.

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  2. Chemistry

    Explainer: The bacteria behind your B.O.

    Special glands in our armpits give us our signature stink. But it’s not our sweat that’s to blame. It’s the bacteria that gobble it up.

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  3. Tech

    A new electric surgery tool may someday fix nose, ear and eye problems

    A new surgery tool uses electricity to reshape ear and nose tissue in minutes, without pain. Someday, it might even work on eyes to restore normal vision.

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  4. Physics

    Tiny new magnets are not only squishy but also liquid

    Researchers have just created liquid droplets that behave like tiny bar magnets. The movement of these external magnets might help control robots and more.

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  5. Chemistry

    Fireworks shower the skies with science

    Filling the night sky with fireworks requires the help of chemists, electrical engineers and people who can choreograph theatrical shows.

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  6. Microbes

    Slimy fish could aid the search for new drugs

    Fish slime could teach scientists about bacteria that live on fish and aid in the hunt for new kinds of antibiotics.

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  7. Environment

    Studies show how homes can pollute indoor air

    Cooking, cleaning, applying makeup or deodorant and other activities may sometimes leave indoor air as polluted — or worse — than outdoor air, new research suggests.

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  8. Chemistry

    Remote-controlled nanoparticles could fight cancer — gently

    A new type of nanoparticle would keep toxic cancer drugs wrapped up so they won’t poison healthy cells. But a remote signal can unleash this cancer-killing medicine once it reaches a tumor.

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  9. Physics

    Scientists now know why microwaved grapes make plasma fireballs

    Grapes trap microwave energy that bounces back and forth within the fruit. Until boom — a plasma!

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  10. Chemistry

    Shape-shifting chemical is key to new solar battery

    Storing solar energy is a challenge. A new, shape-shifting molecule may provide a solution.

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  11. Chemistry

    Smartphone app helps researchers track art ‘acne’

    Metal soaps can form damaging blisters on the surface of oil paintings. Scientists are tracking these “breakouts” to protect priceless art.

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  12. Chemistry

    Ham bone broth could be a tonic for the heart

    Health and fitness websites claim that drinking bone broth is a miracle cure. Here’s what some new research has to say about that.

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