He basically couldn't get over the fact that she no longer wanted to be with him.

BBC: Last Updated: Friday, 9 March 2007, 11:50 GMT

In addition to the extremely expensive process of cloning, for each patient you have to culture stem cells and reliably turn them into the tissue you want with 100% efficiency, so you don't get a single left over stem cell that will cause tumors.

CNN: Human stem cell cloning: 'Holy Grail' or techno-fantasy?

And mixed-use developments, with apartments over corner shops, mean people don't have to get in the car for every errand.

CNN: Gridlock drives developers to design wiser cities