The team constructed a Y-shaped maze for a pair of crabs to act as an OR gate. When two soldier crabs are placed at the top of the ‘Y’, they move forward until they meet and exit the maze ...

Hermit crabs are omnivorous scavengers, eating microscopic mussels and clams, bits of dead animals, and macroalgae. These crustaceans have been misnamed for two reasons: First, they’re not true ...