If you've ever been to Chili's and seen the chain's jingle-famous ribs, you may have wondered whether they're pork or beef.

From pig wings and lab-grown meat to mini-brains that make music, Perth has become a hub where art and science collide, raising profound ethical questions about what it means to be alive.

The first were their elder brothers Meng Xiang and Meng Yuan, who became far better known by the German names Pit and Paule.