He's created 14 clones of Cuartetera, his very best horse – a 17-year-old mare who is fast, easy to direct and can turn on a dime. She was honored last year as the best polo horse in history.

Clones are as much a sci-fi staple as robots, spaceships, and time travel, with every major franchise dabbling with duplicates somewhere down the line. The idea of a character meeting their ...

The sad truth is that most clones did not outlast the Empire they unwittingly helped to create. As the Kaminoan scientist Lama Su explained to Obi-Wan Kenobi in Attack of the Clones, the clones ...