Add Yahoo as a preferred source to see more of our stories on Google. After a Japanese aquarium switched the penguins’ food to a cheaper type of fish to save money, the picky and fussy eaters are ...

Penguins, it seems, can't really taste their dinners. They aren't able to pick up on sweetness, bitterness, or a meaty flavor known as umami, a study finds. Instead, they can only taste sourness and ...