metagenome, and, more specifically, on alterations in the metabolic profile of the community. As we improve our understanding of how probiotics might alter the functions of the resident microbiota, clinicians may improve their abilities to select candidates (microbial and host) for probiotic therapy, with the goal of enhancing or restoring the health of patients.

James Versalovic is Assistant Professor of Pathology, Molecular Virology and Microbiology, and Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, United States of America. He is also Director, Division of Molecular Pathology and Director, Microbiology Laboratories, Texas Children\'s Hospital, Houston, Texas, United States of America. David A. Relman is Associate Professor of Microbiology and Immunology and of Medicine at Stanford University, Stanford, California, United States of America, and Chief, Infectious Diseases Section, VAMme. Elsie Marechal (Elsie Bell) - 2nd World War heroine

Elsie Bell was one of seven Yarmouth girls who entered Norwich Training College in September 1913. Her life story and the affect she had on so many allied servicemen escaping from occupied Europe is incredible.

In 1915, after graduating from college, she starting teaching in London where she met Georges Marechal, a Belgian who was in London during the Great War. In 1920 they married.

In 1930 the couple moved to Brussels where they were living, with their two children, in 1940.

In March 1941, the family joined a chain of Resistance against the German occupation, housing and protecting escaped Allied servicemen. In November 1942 however, two Germans, pretending to be American airman were brought to the house and as a consequence