Is the evolution of excrement the reason we exist?
Articles on Excrement
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Your food goes on a complex journey as it travels from your mouth to your colon.
An animal’s poop may seem like something to avoid, but it’s full of information about the creature that left it there.
Ancient poo from bats and birds can tell you what type of vegetation they were feeding on at that time.
If you want to live like a local when on holiday, you should defecate like one.
More than half of the global population do not have safe sanitation. What is the best way to go about changing this?
New parenthood got our fluid dynamics experts thinking about what ends up in the diaper. They headed to the zoo and the lab to come up with a cohesive physics story for how defecation works.
Top contributors
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Senior Lecturer in Marketing, University of Nottingham
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Senior Lecturer in Global Health, The University of Western Australia
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Professor of Mechanical Engineering and Biology, Adjunct Professor of Physics, Georgia Institute of Technology
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Director of the Water Institute, University of North Carolina at Chapel Hill
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Ph.D. Student in Mechanical Engineering, Georgia Institute of Technology
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Mammal Collections Manager, Florida Museum of Natural History, University of Florida
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Michael Bird is a Friend of The Conversation.
JCU Distinguished Professor, ARC Centre of Excellence for Indigenous and Environmental Histories and Futures, James Cook University
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Senior Research Associate of Stable Isotope Geochemistry, James Cook University
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Associate Professor of Medicine, University of Illinois Chicago
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Head of Palaeontology Division at the Natural History Museum Karlsruhe
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Post-doctoral researcher in Palaeobiology, Flinders University