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A new study of giant danios (not pictured) suggests schools of fish save 79 percent more energy in turbulent conditions than fish swimming individually. Gordon Firestein via Wikimedia Commons under CC ...

Fish from the same species can evolve their sense of smell and display individual foraging 'personalities' to successfully find food in different habitats. Fish from the same species can evolve their ...

PHOENIX (Reuters) - Authorities in Arizona are stepping up a program to put mosquito-gobbling minnows into the stagnant pools of foreclosed or abandoned homes to prevent an outbreak of West Nile virus ...