Calculus III for cells

Last year, researchers from the University of Pennsylvania revealed surprising insights into how cells respond to surface curvature. Specifically, they investigated how cells respond to cylindrical surfaces, which are common ...

By river, ocean, or wind, rocks round the same way

The milky, smooth texture of beach glass evokes a history of turbulent transport, rough edges abraded away to produce curves. The same smooth features can be seen in river rocks and dune sands.

New guidelines on preventing and treating 'equine strep throat'

Just as strep throat can run rampant in elementary schools, strangles, the "strep throat" of horses, caused by a different Streptococcus bacterium, Streptococcus equi sp equi, is highly contagious. Lymph nodes in the head ...

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