Ketamine is an anesthetic, analgesic, and psychedelic drug that produces slow cortical oscillations reminiscent of those observed in deep sleep.

This week, Kanemaru et al. explore the signaling pathway between spontaneous Ca2+ oscillations in cultured astrocytes and the promotion of neurite growth. Their results reveal a role for the membrane-bound adhesion molecule N-cadherin.

Brains are able to adjust automatically to the demands of distinguishing between small differences in smell, new research at the University of Chicago shows.