When it comes to body warmth we could learn a thing or two from penguins. So thought the people at Play ( so starting an adventure that led them to the deepest Antarctic where they spent many months making this powerful and moving wildlife documentary.  Written by John Kelly and Jesper Varlen of Play with skillful direction by Irresistible (www.irresistiblefilms.com), stirring music by Michael Mertens ( masterful mixing by Iain Grant (www.flickr.com/photos/ihatepeppers) and poignant narration by Daniel Lapaine (