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Piranhas in the Thames
(you think I'm joking don't you?)
"Piranhas have taste buds which cover their bodies so that they can deduce whether any passing fish is worth eating. It doesn't bear thinking about what such sensitivity must have made of the polluted Thames."
(you think I'm joking don't you?)
"Piranhas have taste buds which cover their bodies so that they can deduce whether any passing fish is worth eating. It doesn't bear thinking about what such sensitivity must have made of the polluted Thames."