Chimps are righties and orangutans lefties, plus singing mice and chilly dinosaurs in this week's news

By Science News, 18:57 PM March 9, 2011

Apes show handedness
Contrary to earlier reports, apes show humanlike hand preferences when manipulating objects. Chimpanzees, bonobos and gorillas favored the right hand and orangutans the left hand, a team led by psychologist William Hopkins of Agnes Scott College in Decatur, Ga., found in a study to appear in the Journal of Human Evolution. Hopkins and colleagues observed which hand 777 captive apes used to reach peanut butter smeared inside a long tube. Roughly twice as many...

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