Marooned sailors spell out HELP and it worked - PLUS what to do if attacked by a cow

A mass wedding ceremony during a total eclipse in Ohio Town, the rescue of three stranded men on a Pacific island using palm leaves to spell out 'HELP', the development of a new cancer-detecting blood test called Galeri, the story of Roger, a playful Labrador who became a hero in earthquake rescue efforts in Taiwan, and humorous advice on what to do if attacked by a cow.