Oh, yeah, and Popper's falsification criterion is a great starting point, and it does help to differentiate science from non-science, and it does correctly unde

Oh, yeah, and Popper's falsification criterion is a great starting point, and it does help to differentiate science from non-science, and it does correctly underscore the tentativeness of scientific knowledge. All I wanted to add is that things are more complicated than just that one demarcation line, and philosophy of science has not stood still over the last half century.