What are the *simplest* animals capable of a disgust reaction? I assume apes are? cc:
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Don't put much credence in this, but I suspect that only humans have a disgust reaction/emotion/expression.
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Other animals will find things nauseating, but won't be rewarded for alerting their peers. They'll just move along.
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But maybe this is not what you're asking about?
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still trying to formulate question correctly, but see previous tweet cc'ing you with abstraction leaks doodle

