Earth

  1. Health & Medicine

    Lead’s legacy

    High levels of lead in the blood during childhood are associated with smaller brains and with an increased risk for violent criminal behavior, report two new studies.

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  2. Ecosystems

    That sinking feeling

    The sea level rise expected in the coming century will swamp the Everglades unless current management is adjusted or climate change is curbed.

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  3. Earth

    Audubon’s insect cafeteria

    Sidebar: Insects.

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  4. Health & Medicine

    Insects (the original white meat)

    Dining on insects, usually more by choice than necessity, occurs in at least 100 countries — and may be better than chicken for both people and the environment.

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  5. Animals

    Pandamonium over a Tiny Pest

    A parasite threatens efforts to protect China's endangered icon.

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  6. Climate

    Ocean reflux

    Upwelling off Californian coast offers taste of predicted ocean acidification.

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  7. Earth

    Asbestos-like nanotubes

    Some carbon nanotubes show signs of asbestos-like toxicity.

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  8. Health & Medicine

    Nonstick toxicity

    By mimicking the action of estrogen, a widely used nonstick chemical promotes cancer development in animals.

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  9. Chemistry

    Help the Climate: Empty the Fridge

    Yesterday, I reported that in hopes of slowing down global warming, some nations were interested in strengthening the Montreal Protocol – a United Nations treaty to curb releases of chemicals that endanger stratospheric ozone. But I didn’t really get into what they had up their sleeves. It turns out they want signatory nations to eliminate […]

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  10. Climate

    When Is a Consensus on Climate Not a Consensus?

    A protein chemist reported he had assembled a list of more than 30,000 scientists who challenge the idea that human releases of greenhouse gases are warming Earth's climate.

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  11. Chemistry

    Freon’s Cool Link to Climate

    Quick: What’s the name of the big UN global climate treaty? If you said the Kyoto Protocol – you’d be wrong. Because it’s a trick question. Although the Kyoto Protocol is indeed the treaty developed to address the issue of arresting global warming and the climate perturbations that will be spawned by such a growing […]

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  12. Earth

    Eddies in the deep Earth

    The flow of molten material in our planet's outer core is the prime source of Earth's magnetic field. Localized blips in the magnetic field suggest this flow can fluctuate rapidly over large areas.

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