>>Karl Popper's recantation:
>>
>> ...I have changed my mind about the testability
>>and logical status of the theory of natural selection; and I am
>>glad to have an opportunity to make a recantation. ...
>
>Thank you! I'll add this to my files.
Don't forget this part of the quote when you add it to your files:
The theory of natural selection may be so formulated that
it is far from tautological. In this case it is not only testable, but it
turns out to be not strictly universally true.
Art
http://geology.swau.edu