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.