Health

McDonald's to post calories for its menu

First they began offering salad, then they added fruit. On Wednesday, McDonald's announced it would put something else on its menu to help customers watching their waistlines: calorie counts.

Neuroscience

Brain probe that softens after insertion causes less scarring

A hard probe inserted in the cerebral cortex of a rat model turns nearly as pliable as the surrounding gray matter in minutes, and induces less of the tough scarring that walls off hard probes that do not change, researchers ...

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