While we obviously look very different from bananas, humans and bananas share many basic biological processes. Around 60% of our genes are similar to theirs, this is a scientific facts that is really interesting !

Science is the methodical, evidence-based process of acquiring and applying knowledge and understanding of the natural and social worlds. 

The term "non-science" describes any area of research or study that does not derive its knowledge or understanding from the scientific method. This encompasses disciplines such as philosophy, religion, ethics, aesthetics, and any other area of human knowledge that does not adhere to the exacting, objective, and empirical methodology of science. 

Aristotle is considered by many to be the first scientist, although the term postdates him by more than two millennia. In Greece in the fourth century BC, he pioneered the techniques of logic, observation, inquiry and demonstration