Sit v squat – the big public toilet stand-off.
An expert explains how often you should poo and what it should look like.
New research explains that dogs may have evolved to eat faeces as a way to prevent the spread of disease.
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.
On sale in New York for US$2,000. Don't all rush at once.
No wonder scientists love it.