For Kangaroos, Left Is All Right

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Recent research showed that kangaroos, like humans, prefer to use one of their hands over the other for regular tasks. However, all kangaroos seem to choose their left paws. The finding challenges the idea of true handedness being a feature unique to primates.

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Key Facts In This Video

  1. 90% of the world's population is right-handed. 00:16

  2. Being left-handed is associated with increased cases of schizophrenia, ADD and dyslexia. 00:41

  3. Left-handed people process language with both hemispheres, versus righties who only use one. 01:56

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