samedi 13 mai 2017

Phobias passed down through evolution

Two questions: What is evolutionary reason (if any) we as humans more afraid of creepy crawl animals, rats, mice etc than other types of animals?

If there is an evolutionary reason behind that (they are more likely to infect us, they are more abundant, we are less likely to see them coming so have to be extra aware) how does that 'trait' get passed on through our DNA? Where is 'small little animals are dangerous, respond accordingly' within us?

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via International Skeptics Forum

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