Pigs can be optimists or pessimists, depending on personality and mood, study finds

Tuesday, November 15, 2016 - 21:31 in Psychology & Sociology

You can’t keep a positive pig down. A new study finds that, like humans, pigs can be optimists or pessimists, and that the pessimists are more strongly affected by their current environments. The results, described in the journal Biology Letters, hint that the complex interplay between personality...

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