Penguins do not have sense of taste as they have lost three of the five basic tastes over evolutionary time, reveals a new study. They cannot detect the taste of fish or sweetness of fruit that they eat. For them, it appears, food comes in only two flavors: salty and sour. Jianzhi "George" Zhang of the University of Michigan said that even though penguins eat fish, they don't have umami receptor genes. The researchers suggest that genes encoding those ...
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editor - Tuesday, February 17, 2015
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