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Genetics

  • Genes Confirm Europeans' Blow to Native Americans

    A study published this week concludes that about 500 years ago, the number of reproductively active Native American women quickly plunged by half, indicating a "widespread and severe" contraction in population size.

  • Around the World

    In science news around the world this week, the National Human Genome Research Institute announced its latest 4-year genome sequencing program, Europe is taking most of the cash needed for ITER from agricultural subsidies, the Library of Congress and NASA have created a new chair in astrobiology, and elements 114 and 116 have been named.

  • Personalized Cancer Diagnostics

    A pilot study marshals sequencing resources and broad expertise to analyze patients' tumors in a cost-effective and clinically relevant time frame.

  • Aging Genes: The Sirtuin Story Unravels

    Work that pinpointed the control of aging in a handful of genes is being taken apart by some of the scientists who made early discoveries. Efforts to replicate studies are producing conflicting results.

  • Around the World

    In science news around the world this week, a Chinese climate report paints a grim picture, a new Australian facility is imaging the world's worst viruses infecting cells in real time, the European Union has banned "backscatter" body scanners, and Chinese geneticists plan to sequence thousands of crops, animals, and insects.

  • Does a Gene's Location in the Nucleus Matter?

    How the pattern of chromosomes and subnuclear bodies in the cell nucleus affects gene activity and other cellular functions is an enduring mystery in biology, one that won't be unraveled soon.

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