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Biomedicine

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brain cleaning illustration

THE CLEAN CYCLE  Lack of sleep may contribute to Alzheimer’s disease by robbing the brain of the time it needs to wash away sticky proteins.

gene-edited cancer cells

ON THE OFFENSIVE  Gene-edited cancer cells (green) release a protein deadly to other tumor cells (red).

Yale medical school library brain samples

HORMONE HISTORY Neurosurgeon Harvey Cushing did pioneering work on the hormone-producing pituitary glands in the early 20th century, as described in a new book. Samples of the brains he studied are now displayed in the Yale medical school library.

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