"Smart Mouse" Is Proof of Human Exceptionalism

The cry is out in the land: Humans are not exceptional! But if we are not exceptional, why are we the measure of highest moral value?

The latest example is genetically engineering mice to have human brain cells, raising the potential of future ethical issues. From "When Does a Smart Mouse Become Human," in The Scientist:

One unexpected outcome of the team's research, published in the Journal of Neuroscience (34:16153-61), was that these human-mouse chimeras outperformed normal mice almost fo...