Search Results for: Bears

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6,875 results

6,875 results for: Bears

  1. Humankind’s destructive streak may be older than the species itself

    Some scientists have proposed designating a new geological epoch, the Anthropocene, that would cover the period since humans became the predominant environmental force on the planet. But when would you have it begin? Some geologists argue that the Anthropocene began with the Industrial Revolution, when fossil fuel consumption started influencing climate. Others point back several […]

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  2. Astronomy

    Oort cloud tosses astronomers a cometary curveball

    In late November, ISON will deliver debris from the dawn of the solar system to Earth’s doorstep.

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  3. Life

    Polar bears older than previously thought

    New analysis reveals that the Arctic species dates back to about 600,000 years ago.

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  4. Life

    Evolution of mammalian monogamy remains mysterious

    Two large studies reach opposing conclusions about why males stay with females.

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  5. Climate

    Grape expectations

    Global warming has delivered long, warm growing seasons and blockbuster vintages to the world’s great wine regions. But by mid-century, excessive heat will push premium wine-making into new territory.

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  6. Microbes

    Microscopic menagerie

    The microbes dwelling in and on multicellular organisms should be viewed as evolutionarily inseparable from their hosts, some biologists argue.

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  7. Earth

    Toxic waste sites may cause health problems for millions

    Exposures to lead and chromium represent particular problems, study finds in India, Indonesia and Philippines.

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  8. Anthropology

    American Association of Physical Anthropologists meeting

    Perhaps the oldest swatch of hominid skin yet found and –tzi the iceman’s Neandertal genetics are among the highlights from the physical anthropology meeting.

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  9. Humans

    Pottery cooked from the start

    Japanese sites yield late Stone Age evidence of people heating fish in ceramic vessels.

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  10. Humans

    Smells like a bear raid

    Analysis of stock trading data suggests an effort to manipulate the market in 2007.

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  11. Chemistry

    Caffeine’s buzz attracts bees to flowers

    Nectar of some blooms carries the drug, which improves bee memory.

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  12. Humans

    Human ancestors had taste for meat, brains

    A mix of hunting and scavenging fed carnivorous cravings of early Homo species.

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