The role of Epstein has tended to be minimised in the golden memory of the Beatles, perhaps because he was thought to be too fond of young men.

ECONOMIST: George Harrison, a Beatle, died on November 29th, aged 58

Human-enhancement researchers at the University of Reading, for their part, are considering future technologies, such as embedded devices that enhance the senses or add new ones, and implants that improve memory or allow messages to be sent or devices to be controlled using thought alone.

ECONOMIST: Monitor