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

In most human languages, the most frequently used words are short. Think “the,” and, “of ” and “a.” It turns out the same thing goes for penguins too. A team of researchers based in Italy have found ...

The way African penguins talk — in shrieks and squawks — during breeding season may not sound like much, but new research published Tuesday suggests that the raucous calls follow linguistic patterns ...

(CNN) -- In most human languages, the most frequently used words are short. Think "the," and, "of " and "a." It turns out the same thing goes for penguins too. A team of researchers based in Italy ...