In the July 7 SN: The impact hypothesis that won’t die, CAR-T cell therapy upgrades, bad news for Antarctica, a quoll conundrum, honeybees know zero, how volcanoes kill, Jupiter’s polar lightning and more.
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.
ON THE OFFENSIVE Gene-edited cancer cells (green) release a protein deadly to other tumor cells (red).
Khalid Shah lab/CSTI
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.