Why was progress in computing technology so fast compared with the lack of progress in space travel? The reason is very simple: computing technology … - Mordechai Ben-Ari

Popper’s attempt to construct a methodology from falsification may have been flawed, but the concept is central in the demarcation of science from nonscience. No matter how strong one’s convictions, a true scientist will always allow for the possibility that her results may be falsified; if she denies this possibility or refuses to abandon or modify a theory in the face of repeated falsifications, you can be sure that you are dealing with pseudoscience, not science.

Scientists refuse to study astrology, not because of prejudice or because there is a conspiracy afoot, but simply because there is not a shred of evidence that would justify the expenditure of valuable time from a career.

The difference between these beliefs and the beliefs of religions is that scientific beliefs are methodological, not propositional...It is the absence of propositional beliefs that distinguishes science from a belief system. There is no proposition of the content of science that is accepted upon belief alone.