Medication helps the brain clear a plaque-forming protein associated with dementia.

The pancreas pumps more insulin in response to the sugar, potentially throwing the body’s energy-storage machinery out of whack.

Monkeys and apes are considered edible game in many parts of Africa. As Africans have emigrated to other parts of the world, some have retained their love of this so-called bushmeat. A new study now finds that even when smoked, meat from nonhuman primates — from chimps to monkeys — can host potentially dangerous viruses. Smuggled imports confiscated at U.S. airports provided the samples tested in this investigation.

Octopuses adapt to water temperature with tweaks to how genes are copied, not DNA itself. (p. 11)