Education: "Adjusting" the Results of Your Work: ???

Educación: ¿"Ajustando" los resultados de tu trabajo?
Following my previous post, early this morning I found this news on Fox:
Changing tides: Research center under fire for "adjusted" sea-level dataRead more: http://www.foxnews.com/scitech/2011/06/17/research-center-under-fire-for-adjusted-sea-level-data/#ixzz1PpK8VuTVChanging tides
Sometimes, researchers may "adjust" their results in order to better explain the potential consequences of their outcomes, but it is difficult to believe that they would adjust their results pursuing some dark objective.