BBC Three documentary series, with the working title Planet Sex which focuses on human sexuality.The series is being billed as “an epic six-part documentary series in which actress, activist, model, author, and LGBTQ+ advocate Cara Delevingne explores the biggest questions in human sexuality”.The broadcaster added in a statement: “Why are some of us straight and some of us not? Is there even such a thing as straight? Are gender and sexuality independent or intertwined?“Why do our sexual tastes