Whether you're right-handed, left-handed or ambidextrous depends on a number of factors, both genetic and environmental. In this edition of DNews, Trace Dominguez explains how handedness applies in the animal world, too. Primates like apes and chimps prefer certain hands for certain activities, like throwing feces at researchers. (No, really.)
It gets weirder: Kangaroos, for some reason, appear to be mostly lefties. On the other paw, cats handedness seems to depend on gender - males are lefties, females are righties. Join Trace for more on the science behind left-handed and right-handed animals.
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ScienceDirect: Lateralized behavior in the domestic cat, Felis silvestris catus
Live Science: Lefty or Righty? Genes for Handedness Found
ScienceAlert: Here's why some people are left-handed, according to science