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 ...

Penguins lost three of the five basic vertebrate tastes—sweet, bitter and the savoury, meaty taste known as umami—more than 20 million years ago and never regained them, researchers have found. They ...

But their free-eating diets and limited physical activity contribute to a disruption of life rhythms, such as circadian ...

Good etiquette is expected at mealtime in the penguin colony, but the diners with the best manners are found on a new, special island for birds of a certain age. There, geriatric African penguins ...