But their free-eating diets and limited physical activity contribute to a disruption of life rhythms, such as circadian ...
ELEANOR HALL: An international study into penguins shows they not only have happy feet, they're also accomplished divers. Research into the little penguins which inhabit Victoria's Phillip Island has ...
They've got a penguin problem at the San Francisco Zoo. Specifically, the penguins are swimming in circles. All day, every day. It's a puzzle perplexing everyone, particularly penguin keeper Jane ...
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