From Molecules to Organisms: Structures and Processes

  1. Brain

    Brain scans offer clues to why math is harder for some kids

    Kids with math learning disabilities process number symbols differently than numbers shown as dots.

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  2. Animals

    Animals can feel joy. Here’s how scientists might study it

    Research has long focused on understanding negative emotions like fear in animals. Now they’re trying to measure positive feelings like joy. It’s a challenge.

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  3. Health & Medicine

    Scientists get smart about farts with new underwear sensor

    It snaps into regular undies to measure releases of hydrogen gas. Rates vary widely, but 32 farts a day seems about average, early data suggest.

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  4. Plants

    Light pollution could be supercharging your pollen allergies

    Light pollution in North American cities seems to be tricking plants into releasing pollen for longer periods each year.

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  5. Humans

    Let’s learn about adrenaline

    In short bursts, this hormone can help you face your fears. But in the long run, too much of it can be unhealthy.

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  6. Life

    Scientists Say: Clone

    This adaptable tech can help with everything from engineering medical microbes to preserving endangered species.

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  7. Animals

    This tool-using cow stunned scientists with her smarts

    Veronika the cow scratches hard-to-reach body parts using a brush. This feat is forcing scientists to rethink which animals can use tools.

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  8. Health & Medicine

    Meet CLA, a naturally ‘healthy’ fat in burgers, ice cream and more

    Solid at room temp, the natural trans fat conjugated linoleic acid resembles saturated fats — except that it appears good for the body in many ways.

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  9. Health & Medicine

    Here’s what nutrition experts say about dietary fat

    New U.S. dietary guidelines promote eating full-fat dairy and meats. But health experts say nuts and seed oils are better sources of the two crucial fats we need.

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  10. Health & Medicine

    Explainer: What are ultraprocessed foods?

    Packed with chemical additives, these foods have become a major part of our diets. Scientists have begun to worry about how ultraprocessed foods may impact health.

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  11. Animals

    Flat-faced dogs often struggle to breathe easy

    Pugs and bulldogs aren’t the only dogs with breathing problems. Pekingese, Japanese chins and other squish-faced breeds have this issue, too.

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  12. Animals

    Wind won’t keep hungry yellow jackets away from your picnic

    Hungry yellow jackets are really good at tracking attractive odors. Even in windy and difficult conditions, they can find your barbecue.

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