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    1. Cell Biology

    Receptors: How low can you go?

    H Steven Wiley
    Extremely low numbers of active epidermal growth factor receptors are sufficient to drive tumor growth.
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    1. Developmental Biology and Stem Cells

    Patterning and Axis Formation: Heterodimers reign in the embryo

    Benjamin Tajer, Mary C Mullins
    Experiments by three independent groups on zebrafish have clarified the role of two signaling factors, Nodal and Gdf3, during the early stages of development.
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    1. Ecology
    2. Plant Biology

    Pollination: Solar flower power

    Julia Bing, Danny Kessler
    Bumblebees use invisible temperature patterns on flowers to make foraging decisions.
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    1. Genomics and Evolutionary Biology

    Sex Chromosome Evolution: Culture shock

    Antoine Molaro, Harmit S Malik
    Many different human cell lines, including both normal and cancer cells, appear to converge to a state that contains an unusual number of chromosomes when they are grown in culture.
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    1. Cell Biology

    Epigenetics: How does obesity lead to insulin resistance?

    Chan Hee J Choi, Paul Cohen
    Experiments on mice show that an enzyme called DNA methyltransferase 3a is involved in insulin resistance via an epigenetic mechanism.
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    1. Biochemistry

    Intracellular Diffusion: How bacteria keep proteins moving

    Conrad W Mullineaux
    Bacteria contain large numbers of negatively-charged proteins to avoid the electrostatic interactions with ribosomes that would dramatically reduce protein diffusion.
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    1. Epidemiology and Global Health
    2. Plant Biology

    Plant Pathology: Plasmid-powered evolutionary transitions

    Ryan A Melnyk, Cara H Haney
    The acquisition of a virulence plasmid is sufficient to turn a beneficial strain of Rhodococcus bacteria into a pathogen.
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    1. Computational and Systems Biology
    2. Neuroscience

    Deep Learning: Branching into brains

    Adam Shai, Matthew Evan Larkum
    What can artificial intelligence learn from neuroscience, and vice versa?.
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    1. Biophysics and Structural Biology
    2. Cell Biology

    Vesicles: Looking inside the cell

    Eric C Arakel, Blanche Schwappach
    Advances in imaging techniques have shed new light on the structure of vesicles formed by COPI protein complexes.
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    1. Neuroscience

    Urodynamics: How the brain controls urination

    Anna P Malykhina
    Coordination between the brainstem and the cortex helps to ensure that urination occurs at an appropriate time.
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