Scientists use the same knowledge shields as everyone else, explaining away inconvenient data to hold on to their story.

Research psychologist who founded naturalistic decision making

But the researchers who have investigated this find that scientists do the same thing. They have something that's called knowledge shields, the way all of us do, that that a a a variety of techniques for explaining away inconvenient data and anomalies. But what we're effectively doing is we're holding on to our story.