This important study provides a detailed analysis of the transcriptional landscape of the mouse hippocampus in the context of various physiological states. The main conclusions have solid support: ...

Cluster headaches can last from 15 minutes to several hours at a time, and can recur daily for weeks in a row, and then go away until another “cluster” episode. Although there is no known cure for ...

Galaxies and clusters are the ensembles of stars and other astronomical objects bound together by gravitational forces. Galaxies are ordered into galaxy groups, which are in turn organised into ...