EarthThe latest science reads remind us why we really do need experts Mary Halton reflects on how books on forecasting, rock-reading and the grisly world of Victorian medicine highlight how we have always relied on those in the know Culture
HealthFour brain genes help explain obsessive compulsive disorder OCD has been linked to genes active in a brain circuit involved in learning and decisions. The finding may help explain why the condition can run in families 51¶¯Âþ