All Stories

  1. Light switch

    A photosensitive molecule makes switching off a gene as simple as flicking on a light.

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  2. Tech

    Corny collagen

    Corn engineered to produce collagen may someday replace slaughterhouse leftovers as a source of gelatin.

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  3. Earth

    Arctic snow was dirtier in early 1900s

    Arctic snow collects less soot now than it did a century ago, but it's still dirtier than it was before the Industrial Revolution.

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  4. Animals

    Bats hum for sugar too

    Some nectar-feeding bats metabolize sugars as rapidly as hummingbirds do.

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  5. Believers gain no health advantage

    Strong religious beliefs or practices don't appear to benefit depressed or socially isolated heart attack survivors.

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  6. Health & Medicine

    When antioxidants go bad

    Overproduction of antioxidants, usually thought to be beneficial, is the cause of an inherited heart disease.

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  7. 19877

    This article describes the difficulty of moving from exporting one product to exporting another in terms of a “distance” between various products. I would imagine, however, that a nation that already manufactures computers, for example, could easily move into calculators, but that the reverse might not be true. Did the researchers consider the directionality of […]

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  8. Humans

    The Wealth of Nations

    Analysis of the connections among different types of economic activities explains why some countries succeed, and others fail, in diversifying their economies.

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  9. Rethinking Bad Taste

    Many animals use mimicry to gain a competitive advantage, but are there degrees of cheating?

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  10. Earth

    Don’t Bite the Dust

    Several studies show that children and adults accumulate substantial amounts of the flame retardants called PBDEs—from food, breast milk, and probably house dust.

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  11. Computing

    Can You Face It?

    The University of St. Andrews, in Scotland, has developed some face-transforming software that allows people to change the age, sex, or ethnicity of the person in an image that you export from your computer. Or, blend features from a number of faces into one amalgam. If all that is too creepy, then just import art […]

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  12. Health & Medicine

    Measuring Soft Drinks’ Jolt

    Researchers report what most soft-drink labels don't: how much caffeine your refreshments contain.

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