From Molecules to Organisms: Structures and Processes

  1. Life

    Inked mice hint at how tattoos live on

    Tattooed mice challenge our current understanding of how tattoos stay in humans.

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  2. Materials Science

    Light could make some hospital surfaces deadly to germs

    A new surfacing material can disinfect itself. Room lighting turns on this germ-killing property, which could make the material attractive to hospitals.

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  3. Chemistry

    Cool Jobs: Diving for new medicines

    Scientists mix research with underwater adventure as they search the oceans for new chemicals to treat infections, cancer and more.

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  4. Tech

    This power source is shockingly eel-like

    The electric eel’s powerful electric charge inspired this new squishy, water-based new approach to generating power.

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  5. Health & Medicine

    Obesity makes taste buds disappear — in mice, anyway

    Mice that gained excessive weight on a high-fat diet also lost one in four taste buds.

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  6. Climate

    Analyze This: Climate change could make food less healthy

    Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.

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  7. Genetics

    Explainer: DNA hunters

    Snippets of DNA can be left behind by a passing organism. Some researchers now act as wildlife detectives to identify the sources of such cast-off DNA.

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  8. Health & Medicine

    Explainer: What is a concussion?

    A concussion is a severe type of head injury that can damage a brain for weeks to years — perhaps even a lifetime.

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  9. Plants

    Explainer: The fertilizing power of N and P

    Two elements — nitrogen and phosphorus — help plants grow. When the soil doesn’t have them, farmers might add them in the form of fertilizer.

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  10. Genetics

    Explainer: Why scientists sometimes ‘knock out’ genes

    How do we learn what a particular molecule does in the body? To find out, scientists often 'knock out' the gene that makes it. Here’s how.

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  11. Health & Medicine

    Explainer: What is a hormone?

    Various tissues secrete special chemicals, known as hormones. They travel, usually in blood, to a particular distant site where they tell certain cells it’s time to go to work.

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  12. Physics

    Disabilities don’t stop these experts in science and tech

    People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.

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