Search Results for: Bears

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6,745 results
  1. Plants

    Sunflower genes don’t fit pattern

    Comparison between crop and wild sunflower genes suggests that the plant followed an easy route to domestication.

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  2. Earth

    Oceans Aswirl

    Whirls of ocean water up to hundreds of kilometers across create biological oases, transport heat from tropical climes to cooler latitudes, and affect everything from offshore oil platforms to long-distance yacht races.

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  3. Anthropology

    Script Delivery: New World writing takes disputed turn

    Researchers announced, to considerable controversy, that inscriptions found on artifacts at an Olmec site in southeastern Mexico represented the earliest known writing system in the Americas.

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  4. Earth

    It’s high tide for ice age climate change

    Tides may sometimes be strong enough to tug Earth into an ice age.

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  5. Anthropology

    Lost-and-Found Fossil Tot: Neandertal baby rises from French archive

    The approximately 40,000-year-old skeleton of a Neandertal baby, filed and forgotten in a French museum for nearly 90 years, has been recovered by an anthropologist.

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  6. Humans

    From the March 8, 1930, issue

    LEAVES OLDER THAN GRAND CANYON FOUND Fossil remains of plants found in the walls of the Grand Canyon show that many millions of years ago stunted vegetation of very singular aspect grew in a great, red, sandy floodplain under a semi-arid climate in northern Arizona. This great red land has been found by Dr. David […]

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  7. Health & Medicine

    Lung cancer gene has gender bias

    The X chromosome's gastrin-releasing peptide receptor gene is turned on by nicotine to produce a protein that promotes lung cancer, a combination of factors that could explain why women are more susceptible to the disease than men are.

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  8. Earth

    Cancer Causer? Researchers zero in on leukemia risks

    Researchers add to mounting evidence that household pesticide exposure may be a significant risk factor for childhood leukemia.

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  9. Health & Medicine

    Antioxidants for greyhounds? Not a good bet

    Antioxidant vitamins that greyhound racers have been giving their animals to boost performance actually slow down the dogs.

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  10. Health & Medicine

    Fibroid Maladies

    Every year, roughly 200,000 women in the United States get a hysterectomy–surgical removal of the uterus–to alleviate the pain and pressure of uterine fibroids. These noncancerous growths affect millions of women in child-bearing years. A good source of information on symptoms, treatments, surgical options, and possible causes is found at this site, compiled by the […]

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  11. Lady-killing genes offer pest control

    Two new fruit fly lines—with females that die on cue—could lead to changes in pest control.

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  12. Humans

    From the December 17 & 24, 1932, issues

    BEAUTY FROZEN IN GLASS SERVES CAUSE OF SCIENCE Gems as fantastically beautiful as any that have ever glittered in dreams of a frosty Christmas fairyland are being made in glass for the American Museum of Natural History by Herman Mueller, reputed to be the world’s most skillful glassblower. They are not mere conventional designs, however, […]

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