Matter and Its Interactions

  1. Chemistry

    Newfound ‘anti-spice’ compounds tame chili peppers’ heat

    Five compounds make some chili peppers taste less spicy than others. Scientists are still figuring out why.

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  2. Physics

    Scientists Say: Tauonium

    No protons, neutrons or electrons. And yet, based on what scientists know about fundamental particles, this variety of atom just might exist.

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  3. Chemistry

    Scientists Say: Chiral

    Many biological molecules come in a left- and right-handed form — and biology plays favorites.

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  4. Chemistry

    Experiment: Blow the best homemade bubbles

    What’s the best recipe for blowing the most impressive bubbles? Let’s find out.

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  5. Chemistry

    A new map of Africa sheds light on the origins of enslaved people

    Mapping the element strontium across the continent is helping track down the birthplaces of enslaved Africans brought to the Americas.

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  6. Physics

    Scientists Say: Lepton

    Leptons are a quirky class of particles. Besides electrons, they include ghostly neutrinos and hefty muons and tauons.

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  7. Earth

    Let’s learn about the carbon cycle

    The total amount of carbon on Earth doesn’t change. But what form those carbon atoms take is constantly changing.

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  8. Physics

    This weird ice may exist on alien planets

    Scientists used high pressure and heat to create plastic ice, which has qualities of both ordinary ice and liquid water.

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  9. Chemistry

    Scientists Say: Nucleosynthesis

    For this nuclei-forging cosmic process, the Big Bang was just a way to get started.

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  10. Math

    Scientists Say: Dimension

    The simple concept of dimensions has inspired sci-fi creators to wrinkle time and launch into hyperspace.

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  11. Math

    His love of math led to a career in quantum computing

    James Whitfield began his career when quantum computing was still in its infancy. Today, he’s helping to make it more accessible to educators, researchers and others.

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  12. Chemistry

    Let’s learn about chocolate

    Humans have been making chocolate for millennia. Now scientists are investigating how to make this tasty treat more abundant and nutritious.

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