Meet the Smithsonian’s poop sleuth In conservation biology, Meet Our Scientists, Research News, Video, zoology / 3 October 2014 / 0 comments Ever wonder what it’s like to be an endocrinologist at the National Zoo? Meet Sarah Putman, endocrinologist at the Smithsonian Conservation Biology Institute. You might also like: Meet the 125-million-year-old pollinator “Jeholopsyche liaoningensis” National Zoo’s giant panda cub is a girl! Success in breeding endangered frogs! Whale sharks featured in award-winning documentary following the work of Tropical Research Institute’s Héctor Guzman