Every true scientist accepts that.
The method used to aquire scientific knowlege is called "critical rationalism", and it`s main goal is the falsification of theories and not the pursuit of absolute truths.
But of course there are fields and circumstances where scientists like to theoretisise a bit out side of these relaims.
Ever heard of the theories arround "the first spoken language"?
I think this documentary about that subject will answere your question:
http://www.youtube.com/watch?v=J0phq7litTc
The method used to aquire scientific knowlege is called "critical rationalism", and it`s main goal is the falsification of theories and not the pursuit of absolute truths.
But of course there are fields and circumstances where scientists like to theoretisise a bit out side of these relaims.
Ever heard of the theories arround "the first spoken language"?
I think this documentary about that subject will answere your question:
http://www.youtube.com/watch?v=J0phq7litTc