'Pink noise' can help make anesthesia work better during surgery

In the brain, specific electrical waves are associated with different states of consciousness. For instance, delta waves—also known as slow waves—are especially prevalent during deep sleep, as well as during states of unconsciousness ...

Why some cancers are worse than others

Megan Sweet slices tumors. A normal day in the lab finds the Virginia Tech graduate student with hands deep inside a refrigerated metal box, pulling a mounted mouse-grown tumor incrementally closer to a razor-sharp blade. ...

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