Hairy crabs! Shell swaps! Carcinization! Will we all evolve to be crabs? What’s with having one giant claw? Why would a crab stab you? Adam Wall, a carcinologist at the Natural History Museum of LA covers all of this and more in this thrilling conclusion of our two-part episode on crabs. Also: did the Little Mermaid get it right, and does Adam enjoy being interviewed? Listen to the end to find out.