CommentWhy do teenagers take such risks? A new book has some answers An eye-opening new book by psychologist Lucy Foulkes lifts the lid on the surprisingly rational strategies behind the risky behaviours of adolescence, finds Catherine de LangeCulture
CommentA powerful new book shows why it's so important to understand war In his latest book, Why War?, historian Richard Overy grapples with a question that stumped Albert Einstein and Sigmund Freud – why do humans persist in waging war? Culture