Search Results for: Bears

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6,913 results

6,913 results for: Bears

  1. December 13, 1924

  2. December 27, 1924

  3. February 7, 1925

  4. February 14, 1925

  5. March 21, 1925

  6. Materials Science

    A new carbon nanotool springs to life

    Physicists have pulled out the inside cylinders of multiwall carbon nanotubes, as if expanding a telescope, indicating how the devices may serve as tiny bearings and springs in future nanomachines.

    By Jessica Gorman
  7. Agriculture

    Detoxifying Desert’s Manna

    Farmers need no longer fear the sweet pea's dryland cousin.

    By Janet Raloff

  8. Promiscuity in guppies has its virtues

    Mating with multiple partners benefits the female Trinidadian guppy and her offspring by reducing gestation time and producing youngsters more adept at forming protective schools and at evading capture.

    By Ruth Bennett

  9. Moms and pups sniff out immune genes

    Genes involved in the immune system also create individualized body odors that allow parents and offspring to recognize each other.

    By John Travis

  10. Abused kids lose emotional bearings

    Physical abuse and neglect appear to undermine preschoolers' emotional development in different ways.

    By Bruce Bower
  11. Earth

    Two microbes team up to munch methane

    Aggregates of two different microorganisms in methane-bearing ocean sediments collected off the Oregon coast appear to collaborate to consume methane despite a lack of oxygen.

    By Sid Perkins

  12. What’s Worth Saving?

    A fracas over a biological term could have huge consequences for conservation.

    By Susan Milius