Earth

  1. Earth

    Earth/Environment

    The carbon footprint of Brazilian beef, plus the health effects of pollution and electrification in this week's news.

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  2. Earth

    Low sperm counts linked to fetal effects

    Low male fertility may partly stem from chemical exposures in utero, an anatomical study suggests.

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  3. Earth

    PCBs may impair fertility

    A study of women undergoing in vitro fertilization finds reduced embryo implantation among women with higher levels of one type of the banned chemicals.

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  4. Earth

    Earth/Environment

    Scientists discover what causes the rumbles before a volcano erupts, plus more in this week’s news.

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  5. Earth

    Ancient fossil sheds light on early evolution of body armor

    A relative of today’s crabs and insects, the 10-legged, 520-million-year-old find may be the earliest known example of its kind with protected, jointed limbs.

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  6. Microbes

    Gulf floor fouled by bacterial oil feast

    Observations may explain the widespread mortality of sediment-dwelling animals.

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  7. Earth

    Earth/Environment

    Research links pesticides to Parkinson’s disease, plus more in this week’s news.

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  8. Life

    Packing away the poison

    A genetic adaptation in a Hudson River fish species allows it to simply store toxic pollutants in its fat.

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  9. Earth

    Earth/Environment

    Listening for rumbles of past hurricanes, plus more in this week's news.

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  10. Life

    Moonless twilight may cue mass spawning

    Subtle color shifts on the nights just after the full moon might synchronize the release of gametes by corals and other marine creatures.

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  11. Life

    Buried microbes coax energy from rock

    In experiments, microorganisms can stimulate minerals to produce hydrogen, a key fuel for growth in a thriving subterranean world.

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  12. Earth

    Earth/Environment

    Licorice may be a natural alternative to antibiotics on hog farms, plus more in this week’s news.

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