Notebook

  1. Science & Society

    Tech in the classroom foreseen 50 years ago

    Fifty years ago, scientists were looking forward to technology in the classroom.

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  2. Animals

    Newly discovered tiny frogs live on islands in the sky

    Scientists find seven new species of frogs in southern Brazil, and more could be waiting, they say.

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  3. Science & Society

    Irreproducible life sciences research in U.S. costs $28 billion

    Problems with preclinical research often stem from study design and experiments’ materials.

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  4. Physics

    Common campfire build confirmed as best

    A standard method for building fires, making the height about equal to the width, is the most efficient structure for stoking the hottest flames, calculations show.

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  5. Health & Medicine

    Rotavirus vaccine is proving its worth

    Rotavirus vaccination cuts childhood intestinal infection hospitalizations in half.

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  6. Climate

    Greenhouse effect from fossil fuels felt almost immediately

    The warming caused by burning fossil fuels is surpassed within months by the greenhouse gas effect of the released carbon dioxide, new research shows.

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  7. Health & Medicine

    An antidepressant may protect against Ebola

    Zoloft and a heart drug keep most mice alive after exposure to Ebola.

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  8. Earth

    Eruptions create new islands in the Red Sea

    Satellite maps reveal the formation of two new volcanic islands in the Red Sea.

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  9. Plants

    Fifty years ago, ethylene research ripened

    In 1965, scientists realized ethylene was the molecule that ripens fruit.

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  10. Health & Medicine

    One in 10 people with tattoos experience rashes, scarring or other problems

    Tattoos carry risk of long-term rash; red ink may be most irritating color.

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  11. Genetics

    Genes and environment balance each other

    Genes and environment have equal influence on human traits.

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  12. Astronomy

    Brightest galaxy discovered

    The brightest known galaxy is about 350 trillion times as bright as the sun, and a supermassive black hole is to blame.

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