English artist Luke Jerram makes glass sculptures of the viruses and deadly diseases.
Diagnosed with dichromatic colorblindness at an early age, he became fascinated with mysteries of human perception:
"Where does the visual perception of an object end and the memory of it begin?... If some images are coloured for scientific purposes, and others altered simply for aesthetic reasons, how can a viewer tell the difference? How many people believe viruses are brightly coloured?"