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When you fully believe that a test that is "100 percent foolproof" and impartial, it's easy to convince yourself that the person in front of you must be lying.
by amirmc 12y ago
When you fully believe that a test that is "100 percent foolproof" and impartial, it's easy to convince yourself that the person in front of you must be lying. In this case the implicit assumption was something like the following: A perfect DNA match implies parentage, therefore, parentage implies a perfect DNA match. As this article shows, the latter isn't always true. I'm sure the former isn't true either, but I'm trying to describe how most people think about these things.
- DougN7 12y agoThat's the thing that is worrisome - ever assuming our knowledge is 100% solid. When we're in a reflective mood, we say we'd never do that. But it happens all the time. I remember in sixth grade learning that stellar red shift absolutley proved the universe was not expanding, thus provin the big bang. Well, despite KNOWING, turns out it was wrong - the universe was expanding after all. In this case it didn't change the underlying meaning, but was wrong. That left me questioning science more than I should. I can say I hate hearing "now we know..."