Notebook

  1. Earth

    Succession of satellites keep eye on Earth

    50 years after plans were laid for the first Earth-observing spacecraft, the youngest Landsat satellites are still flying and imaging the planet’s surface.

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  2. Animals

    The fine art of hunting microsnails

    Flotation, tact and limestone all prove vital to the quest for microsnails.

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  3. Animals

    The mites living on your face probably run in your family

    Demodex folliculorum mites, which live on human skin, have probably evolved with their hosts over time.

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  4. Neuroscience

    Shrub cells are true to form

    New cell types discovered in the brains of mice

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  5. Health & Medicine

    50 years ago, a promising agent pulled

    DMSO was promised to cure everything from headache to the common cold. But human testing stopped in 1965.

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  6. Animals

    When tarantulas grow blue hair

    Azure coloring is surprisingly common in the spiders, though they themselves are colorblind.

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  7. Physics

    Aircraft industry could take tips from penguins

    Tiny grooves and an oily sheath prevent water droplets from freezing on the feathers of some penguins.

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  8. Astronomy

    This white dwarf is hotter than the rest

    A new record holder for hottest white dwarf sizzles at about 250,000˚ Celsius.

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  9. Health & Medicine

    Cow bites and spacecraft injuries enliven new medical diagnostic codes

    The 10th edition of International Classification of Diseases went into effect in 2015, and it included some interesting additions.

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  10. Climate

    Report card shows which states are best prepared for climate change

    A preparedness report card shows that some states aren’t ready for the extreme heat, droughts, wildfires and flooding that may come with climate change.

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  11. Genetics

    Roosters run afoul of genetic rules

    Moms aren’t always the only ones that pass mitochondrial DNA to offspring, a study of chickens finds.

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  12. Climate

    Fireworks brighten the sky but dampen the view

    Fireworks and other pyrotechnics severely reduce visibility during celebrations such as New Year’s Eve and Guy Fawkes Day, researchers report.

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