Steering fusion’s “D-turn”

Cross sections of pressure profiles are shown in two different tokamak plasma configurations (the center of the tokamak doughnut is to the left of these). The discharges have high pressure in the core (yellow) that decreases to low pressure (blue) ...

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Cell polarity: An aurora over the pole

Image: This image shows a C. elegans zygote undergoing symmetry breaking, during which spatial uniformity in cortical myosin-II (blue) is lost to establish an anterior-posterior polarity (clockwise order from the top).The local and global downregulation of cortical myosin-II networks during ...

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