The “pain grimace” is quite similar in many mammals, but where did it come from and why do we do it? … More Why do We and Other Animals Wince When in Pain?
That sounds like a stupid question, but it’s actually not because most other species are not as grossed out by vomit as we are. Humans have a particular aversion toward the sight or smell of puke. We find it utterly revolting. And if we actually witness someone tossing their cookies, our reaction can be so strong that we … More Why Do We Find Puke So Gross?