Oh, Poo

research team at the Chañares Formation       Archosauriform Research Group

You wouldn't think excrement would be so exciting, but there you have it. The scientific world is all a-flutter over the recent discovery, in Argentina, of the largest and oldest public toilet yet found. How old is "old"? In this case, a mere 240 million years: http://www.bbc.co.uk/news/science-environment-25126333