CommentTen Trips review: What tripping taught an academic about psychedelics From ketamine in a London kitchen to wachuma in the Colombian Amazon, self-described "douchey forty-nine-year-old psychedelic virgin" and neuropsychologist Andy Mitchell hopes his trips will teach us more about the drugs Culture
CommentInterstellar review: The case for seeking out alien technology As labs study possible fragments of a meteor that might have been more than it seemed, we must keep looking for any signs of extraterrestrial life, argues astrophysicist Avi Loeb in his new book Culture