“I am OMNIVOREMAN! I see it as my genetically programmed evolutionary duty to eat everything that I possibly can, from rotten walrus and palm weevils to insects and hamster food. The ability to eat pretty much anything has been vital to the survival of the human race. When certain foods like fruits became scarce, we were able to turn to others such as roots – by comparison the koala eats eucalyptus and little else, so when eucalyptus becomes scarce, the koala dies. With the world population expected to reach nine billion by 2050, we desperately need new resource-efficient food sources to sustain the human race, so exploring and experimenting is still vital to our survival. So why are there some foods that must be available, but which we never seem to eat? Here are my top five…”