Dr Claudia Turner heads the clinical research program at the Cambodia Oxford Medical Research Unit (COMRU), in collaboration with the Angkor Hospital for Children. Whereas children mortality has dramatically decreased over the past 15 years, almost half the remaining mortality still occurs during the first 4 weeks of age. Neonatology, or care of newborns, doesn't need to be difficult or expensive. Low cost intervertions involving communities, such as keeping babies warm, save lives. Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales; http://creativecommons.org/licenses/by-nc-sa/2.0/uk/