Snails use two brain cells to make "complex decisions", a team of scientists has found. Researchers at the University of Sussex said one cell told the snail if it was hungry while the other cell told it if food was present.

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Snails use two brain cells to make "complex decisions", a team of scientists has found. Researchers at the University of Sussex said one cell told the snail if it was hungry while the other cell told it if food was present.