Scienctific knowledge as fishnet

From this Times review of Expelled (via Greg Laden):

The man made famous by Ferris Bueller, however, quickly wades into waters far too deep for him. He makes all the usual mistakes nonscientists make whenever they try to take down evolution, asking, for example, how something as complex as a living cell could have possibly arisen whole from the earth’s primordial soup. The answer is it couldn’t–and it didn’t. Organic chemicals needed eons of stirring and slow cooking before they could produce compounds that could begin to lead to a living thing. More dishonestly, Stein employs the common dodge of enumerating all the admittedly unanswered questions in evolutionary theory and using this to refute the whole idea. But all scientific knowledge is built this way. A fishnet is made up of a lot more holes than strings, but you can’t therefore argue that the net doesn’t exist. Just ask the fish.

The review is by Jeffrey Kluger I understand, whose last paragraph would make Nisbet et al happy; take a look!

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