[ZULU]

These researchers are fogetting they are injecting personal bias into the study.

If there were intelligent squids and they were studying Neaderthals and modern humans, its very possible that using the same kind of data, but viewing these subjects from an unbiased perspective, they would conclude the similarities between the two were so much greater than any apparent differences that they could justifiably be termed subspecies. In all other organisms, subspecies can and do interbreed and create viable, fertile offspring.

[Virginia-American]

... In all other organisms, subspecies can and do interbreed and create viable, fertile offspring. ...

Chhuahuas and great Danes?