The whys of a scientific life Introduction to because Because we ask a question Because we make a hypothesis Because we wish to make a collection Because of what happens if Because one thing leads to another Because we get criticized Because we referee other scientists Because something unexpected happens Because sometimes we have to interrupt a line of research investigation Because we want to tackle adventurous research Because of technology push Because we wish to engage in a grand challenge or mission led research objective Because we wish to develop our skills for a better future Because we wish to reach to an end point Because we like finding things out at the science bench Why do scientists confer so much Why do scientists submit their research to a journal Because we can expand the scope of research with open science bringing an improved future for society Because a new or improved product is needed via industrial research Importance of the whys of a scientific life for society Why is science objective because of data and peer review Why is science a joy to do