MS-LS1-7

Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism.

  1. Health & Medicine

    Ultrasound might become a new way to manage diabetes

    Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.

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  2. Health & Medicine

    Explainer: What are proteins?

    In the body, proteins act as biochemical machines to carry out the work of cells.

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  3. Health & Medicine

    Explainer: Taste and flavor are not the same

    What’s behind a food’s flavor? More than what we taste, it turns out.

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  4. Environment

    Restaurant diners may ingest extra pollutants

    People who dine out have higher levels of certain potentially harmful pollutants in their bodies than do people who eat home-cooked meals, new data show.

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  5. Chemistry

    Scientists Say: Catalyst

    Sometimes a chemical reaction can take a while. If speed is needed, a catalyst can help.

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  6. Health & Medicine

    Your gut’s germs may decide whether white bread or whole wheat is best — for you

    Surprise! Gut microbes may determine how your body responds to starches in the diet.

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  7. Chemistry

    Cool Jobs: Counting calories

    Do calories count? A nutrition label doesn’t tell the whole story. Meet three researchers working to shed light on the complex connections between food and health.

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  8. Health & Medicine

    Explainer: All about the calorie

    Calories are a measure of how much energy is in a food. But when it comes to powering our bodies, not all calories are equally available to the body.

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  9. Health & Medicine

    Why trans fats became a food villain

    Trans fats are now known as a dietary villain. But in the beginning, scientists thought they were better than butter.

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  10. Health & Medicine

    Zebra finches can ‘drink’ water from their own fat

    When water is scarce, thirsty zebra finches can produce their own water. They do it by breaking down their body fat.

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  11. Health & Medicine

    This supplement makes calorie-rich foods less tempting

    A supplement that contains the fatty acid propionate causes the brain to rate high-calorie foods less appealing.

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  12. Health & Medicine

    Grandparents’ diet could be a weighty issue for grandkids

    Australian scientists have found that fat mice can pass on a heightened risk of obesity to their sons and grandsons.

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