Saffron: Can it Cure Cancer Scientists Are Convinced of Its Potency Saffron is the world's most expensive spice by weight. It usually is packaged and sold by the ounce. Photo: Anna Tatti, Sardinia Back to the article Back to Index AI 14.2 (Summer 2006) AI Home | Search | Magazine Choice | Topics | AI Store | Contact us Other Web sites created by Azerbaijan International AZgallery.org | AZERI.org | HAJIBEYOV.com |