SCIENCE AND KISSING 2
So what is the purpose of kissing? Imagine a kiss being like a job interview for the elusive role of being someone’s significant other. The interviewer is looking for the candidate who best matches the job description. Similarly, when we kiss, we are looking for a mate that best matches our genetic make-up. ‘Wait, what do genes have to do with kissing?!’ – I hear you scream. Well, we actually have a group of genes called the MHC (major histocompatibility complex) …