In which way is harmful to Science the moving away of Ethics?

We would like to study the sustainability of the thesis asserting a radical independence between, on one side, the scientific excellence of somebody and, on the other, his (or her) bad ethical attitude. We argue that although the possibility of coexistence of scientific excellence with bad ethics can be conceived in singular cases, it is severely harmful for the healthy development of Science as an institution. In fact, this development requires high ethical and cognitive standards. The consequences of this coexistence for education, peace, environment, democracy and the solidarity among peoples are catastrophic.