EnvironmentDown to Earth with Zac Efron review: Eco-doc series makes green sexy Down Under, season two of Zac Efron's Down to Earth series, pulls off the trick he was after in the first season - making the pursuit of a greener, fairer world more desirable, finds Bethan AckerleyCulture
HumansSentience review: Inside a controversial new idea about consciousness We are still struggling to account for consciousness. A new hypothesis by psychologist Nicholas Humphrey challenges the basis of the discussion and argues sentience isn't what we think Culture