From Molecules to Organisms: Structures and Processes

  1. Genetics

    Your DNA is an open book — but can’t yet be fully read

    There are many companies that offer to read your DNA. But be prepared: They cannot yet fulfill all those promises you read in their ads.

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  2. Animals

    Orca snot leads to a whale of a science-fair project

    DNA found in the mucus of orcas suggests that even though the traits of family pods may differ, these marine mammals all appear to belong to a single species.

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  3. Health & Medicine

    Owww! World’s hottest chili leads to days of severe headaches

    A man ate one of the hottest peppers in the world. About a minute later, his head began pounding. See why they didn’t permanently disappear for days!

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  4. Health & Medicine

    Science-fair finding allows girl to sample a croissant

    Some supplements claim they can help people with celiac disease, who cannot digest gluten. But do the pills work? One teen used science to find out.

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  5. Materials Science

    New black hair dye uses no harsh chemicals

    Scientists have developed a new black-carbon-based hair dye. Instead of using damaging chemicals to dye hair, flexible flakes of carbon coat each strand.

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  6. Chemistry

    Banana plant extract can slow how fast ice cream melts

    Food scientists now show that adding these tiny plant particles to ice cream may delay the rate at which this treat melts into a soupy mess.

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  7. Health & Medicine

    Inked mice hint at how tattoos live on

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

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  8. Chemistry

    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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  9. Animals

    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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  10. Life

    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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  11. 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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  12. 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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