Psychedelics are evolutionarily ancient compounds produced by fungi, plants, and microbes. Humans also synthesize psychedelics. Researchers want to know how and why.
Clinical trials that target human endogenous retroviruses to treat multiple sclerosis, ALS, and other ailments are underway, but many questions remain about how these sequences may disrupt our biology.
Our perception of quantity, separate from counting or estimation of magnitude more generally, is foundational to human cognition, according to some neuroscientists.
Glial cells were once considered neurons’ supporting actors, but new methods and model organisms are revealing their true importance in brain function.