Scientists have washed the cells out of a rat heart, then reseeded the remaining connective tissue structure with heart cells from newborn rats. The resulting composite heart beats--only at 2% capacity, but that's still quite promising.
It's a long way from there to anything useful to humans, but this is a nice combination of Shiny! and Macabre!
News story thanks to the BBC.
How important is color to you?
Does your favorite color have anything to do with what you look good in?
If you could modify your color vision, what would you like?
A little something about animal, insect, and cephalopod eyes.