The bare-nosed wombat (Vombatus ursinus) is an herbivorous Australian marsupial, renowned for its cubic feces. However, the ability of the wombat’s intestine — which is approximately 10 m long, or 10 times the length of a typical wombat’s body — to sculpt flat faces and sharp corners in feces is poorly understood. In a new experimental and numerical study, published in the journal Soft Matter, biologists discovered that the cross-section...
