They make up over three-quarters of animal species and have inhabited the Earth for 450 million years, long before the dinosaurs. Ubiquitous, abundant, enchanting and incredibly diverse, these fascinating miniatures are vital to life on Earth. Seen as potent symbols in ancient civilisations, they were believed to bestow power and protection. Today, the therapeutic potential of these small creatures represents a significant contribution to science and medicine. Their ingenious designs and flamboyant colours continue to inspire science, art and fashion. View a slideshow. See the slideshow.