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Do animals have a future on Hollywood sets?

There is a long and storied history of nonhuman actors, from Luke, the dog of silent star Roscoe "Fatty" Arbuckle, to the collies cast in the role of Lassie in film and on television. Bart the Bear racked up over 20 film and TV credits in the 1980s and 1990s, while countless

Fish use more energy to stay still than previously thought

Many fish appear to hang effortlessly in the water while they wait for prey, defend a nest or pause between bursts of activity. But our research shows that this quiet stillness is anything but effortless. Hovering, the behavior that allows a fish to remain suspended in one