[FIG. 5. Coiling radius R vs. Ed^2/ρg for lugworm feces (blue), pea dough (red), rice noodles (black) and spaghetti (green). Error bars for the data point with the maximum error in R are shown for each of the four materials. The black line is the theoretical prediction R = 0.70(Ed^2/ρg)^(1/3).]
Coiling of lugworm feces reveals universal mechanics for the shape of poo
Habibi, M., Ribe, N.M. & Bonn, D., Nat Commun (2026).















