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    1. Stem Cells and Regenerative Medicine

    Cutting Edge: Promoting international collaboration and creativity in doctoral students

    Christopher M Groen et al.
    Staff from the Mayo Clinic in the US and the Karolinska Institute in Sweden describe a joint transatlantic course intended to broaden the horizons of the next generation of researchers in the field of regenerative medicine.
    1. Neuroscience

    Neuromodulation: Transcranial electric stimulation seen from within the brain

    Angel V Peterchev
    Computer models can make transcranial electric stimulation a better tool for research and therapy.
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    1. Cell Biology
    2. Microbiology and Infectious Disease

    Point of View: Is cell size a spandrel?

    Ariel Amir
    Analysis of experiments on bacteria suggests that the dependence of cell size on growth rate is not an adaptation but a causal consequence of a regulatory mechanism that controls DNA replication.
  1. Scientific Publishing: Transparent reporting of research results in eLife

    M Dawn Teare
    Manuscripts should include all the experimental and statistical details that are needed to replicate the experiments and analyses reported in them.
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    1. Cell Biology

    Aging: A new answer to old questions

    Yves Barral
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  2. Living Science: Grandmother elephants

    Eve Marder
    As new technology makes it possible to perform experiments that were unimaginable a decade ago, Eve Marder argues that we can still learn from the past.
    1. Human Biology and Medicine
    2. Neuroscience

    Obesity: The emerging neurobiology of calorie addiction

    Cristina García-Cáceres, Matthias H Tschöp
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  3. Tutorial: How to draw the line in biomedical research

    Lisa Huang et al.
    When analysing the data in a two-dimensional scatter plot, researchers should consider plotting the three regression lines that can be calculated for such a plot.
  4. Science Policy: Reforming research assessment

    Randy Schekman, Mark Patterson
    It is time for the research community to rethink how the outputs of scientific research are evaluated and, as the San Francisco Declaration on Research Assessment makes clear, this should involve replacing the journal impact factor with a broad range of more meaningful approaches.
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