Thousands of fossilised poos left by rhino-like megaherbivores were found clustered together, scientists say. The 240-million-year-old site is the "world's oldest public toilet" and the first evidence that ancient reptiles shared collective dumping grounds. via Pocket http://www.bbc.co.uk/news/science-environment-25126333#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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