News

  1. 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.

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  2. Animals

    Sexual conflict pushes species making

    A novel comparison of 25 pairs of insect lineages finds that sexual conflict plays more of a role in making new species than scientists had realized.

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  3. Health & Medicine

    Blood-cell transplants slow kidney cancer

    A new transplant technique that uses blood transfusions from a sibling combined with decreasing doses of immune-suppressing drugs enables some patients to fight off advanced kidney cancer.

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  4. Chemistry

    Old Martian questions may have new answer

    Researchers simulating Martian conditions in a test tube discover a likely reason why no organic molecules have yet been found on the surface of the Red Planet.