Life

  1. Health & Medicine

    The cool science of hot peppers

    Why are chili peppers spicy? Why does anyone crave food that burns? Uncovering this fiery veggie’s secrets could help fight pain and obesity.

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  2. Health & Medicine

    Headed to a concert this summer? Pack earplugs

    Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.

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  3. Health & Medicine

    Explainer: When loud becomes dangerous

    Many people don’t realize that sounds — even those of the music they love — can prove harmful when they get too loud.

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  4. Ecosystems

    Scientists Say: Vector

    Vectors are used to transfer things. Sometimes the transferred item is a disease, but scientists can also use vectors to insert helpful genes.

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  5. Animals

    Pollen can become bee ‘junk food’ as CO2 rises

    Increasing levels of the greenhouse gas are changing diminishing the food value of pollen, bees’ only source of protein.

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  6. Microbes

    This microbe thinks plastic is dinner

    The bacterium Ideonella sakaiensis chows down on one type of polluting plastics. That means it could become helpful in cleaning up environmental waste.

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  7. Health & Medicine

    Newly discovered microbe keeps teeth healthy

    A newfound bacterium halts the tooth erosion that leads to cavities. This germ or one like it might one day be added to toothpaste or mouthwash.

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  8. Chemistry

    Gotcha! New test stalks diseases early

    Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.

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  9. Fossils

    How to tell if a T. rex is expecting

    A chemical test of tyrannosaur bone can determine whether the dino was pregnant — and therefore a female.

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  10. Genetics

    Pacific islanders got a double dose of Stone Age DNA

    Unlike other people, certain Pacific Islanders inherited DNA from two ancient human ‘cousins.’

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  11. Health & Medicine

    Cool jobs: Brainy ways to battle obesity

    Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.

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  12. Genetics

    Genes: How few needed for life?

    Scientists rebuilt a microbe using its old genes. But not all of them. They used as few building-blocks as they could get away with and still have the life-form survive.

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