Chemistry

  1. fluorine atoms bonded to hydrogen atom
    Chemistry

    This weird chemical bond acts like a mash-up of hydrogen and covalent bonds

    Chemistry students are taught that hydrogen bonds and covalent bonds are distinct, but a new study shows they exist on a continuum.

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  2. battery illustration
    Chemistry

    Zinc-air batteries are typically single-use. A new design could change that

    Swapping out the electrolyte in zinc-air batteries helps these next-gen power sources last longer.

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  3. a home burning in the 2020 CZU Lightning Complex Fire
    Earth

    Plastic drinking water pipes exposed to high heat can leak hazardous chemicals

    Lab tests exposing commonly used water pipes to wildfire-like heat show damaged pipes can leach the carcinogen benzene and other chemicals.

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  4. Jet flying across sky
    Chemistry

    A new iron-based catalyst converts carbon dioxide into jet fuel

    Jet fuel made from carbon dioxide could one day reduce pollution from air travel.

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  5. Murchison meteorite fragment
    Planetary Science

    50 years ago, scientists caught their first glimpse of amino acids from outer space

    In 1970, scientists detected amino acids in a meteorite. Fifty years later, a variety of chemical ingredients for life have been found in other space rocks.

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  6. supercooled water molecules illustrated
    Physics

    Supercooled water has been caught morphing between two forms

    A new experiment used ultrafast techniques to reveal high-density water transforming into low-density water at subfreezing temperatures.

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  7. chili peppers
    Chemistry

    A new portable device can reveal a chili pepper’s heat

    The “Chilica-pod” measures levels of the fiery capsaicin compound in peppers.

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  8. Anopheles mosquito
    Chemistry

    Heating deltamethrin may help it kill pesticide-resistant mosquitoes

    A simple chemical trick creates a much faster-acting form of a common insecticide, which could help fight malaria and other mosquito-borne illnesses.

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  9. illustrated representation of the gene editing tool CRISPR/Cas9
    Genetics

    Gene-editing tool CRISPR wins the chemistry Nobel

    A gene-editing tool developed just eight years ago that has “revolutionized the life sciences” nabbed the 2020 Nobel Prize in chemistry.

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  10. New Zealand wine grape field
    Agriculture

    How does a crop’s environment shape a food’s smell and taste?

    Scientific explorations of terroir — the soil, climate and orientation in which crops grow — hint at influences on flavors and aromas.

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  11. robotic beetle on a leaf
    Tech

    Methanol fuel gives this tiny beetle bot the freedom to roam

    A new robot insect uses energy-dense methanol as fuel, not batteries. It could be a blueprint for future search-and-rescue bots with long run times.

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  12. pyrocumulonimbus cloud
    Earth

    Smoke from Australian fires rose higher into the ozone layer than ever before

    The catastrophic wildfires in Australia around New Year’s generated a massive smoke plume that still hasn’t dissipated in the stratosphere.

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