Once the stuff of science fiction, robots that move and look like humans are becoming a reality. Makers of these so-called humanoid robots tout a range of possible uses, including filling jobs in factories and even hospitals. But why the obsession with making machines human?

As we head into the final week of the NFL season, there's going to be a lot of drama and that's because there are still two playoff spots and three divisions up for grabs.  The NFC South, NFC North and AFC North will all be decided this weekend.

And while the current NFL playoff picture is pretty clear in AFC (six of the seven teams have clinched spots) and the NFC (one spot is available), that means there are still squads that are very much alive heading into the final week of regular-season action.