The SAS (Special Air Service) make routine use of sleep-deprivation exercises in their selection process, and these often feature in later training. Hallucinations during such exercises are very commo

Lynn Farram and the congregation of Christ Church, Norris Green, Liverpool

Medicinal mushrooms are having a moment. Fungi experts Christopher and Katherine Parker dig into their favorite functional varieties and unearth the research that shows why these mushrooms matter

Stefan Buczacki

ARTS

Somewhere in the amazonian understorey, beneath a great forest canopy, a cricket leaps on to the stem of a shrub. It’s the last leap it will ever make. It never gets to flex its legs again. It’s stuck