Tawali on Papua New Guinea is narrated by Andrey Bizyukin and supplemented with photographs by Wulf Koehler. In the Mediterranean we visit the island of Elba. Leigh Cunningham takes us into a cave under Ras Muhammad (Egyptian Red Sea). Now where things are heating up, learn what Temperature really means. Or what goes on with Sex on the reef. No February issue without Valentines' gifts. We interview Richard Pyle about ecology, rebreathers, Pyle stops and being a nerd