Rioka is an illustrator-animator working in science, technology, and health.

Animation on Hybridisation Capture Sequencing for Wastewater Pathogen Genomic Surveillance. The gloved hand of a wastewater operator cranks a gold mechanical model, based off celestial orreys. Viruses spin around a chain with sample collection bottle
Illustration on Skin Cancer and Climate Change. The foreground depicts a dermoscopy examination, featuring a Malawi patient with albinism and dermatologist. The central sun motif references both UV radiation exposure and histopathology of basal cell
Cover animation on Cancer Neuroscience with the title text Science Translational Medicine. Panels of a cancer-affected brain expand towards the foreground, with neurons branching throughout a tumor mass.
Animation on Pediatric Gut Microbiome development. A child is building a mosaic of the gastrointestinal system. Tiles show ornate patterns of bacteria, organs, and items which lead to gut eubosis or dysbiosis (including disinfectant bottles, pets, an
Cover with title text Science and heading Shared Defenses. The top left feature bacteriophages, gasdermin pores, and protein ribbon models of the bacterial defense system. Negative space form a shape of a bacteria. The bottom right features protein
Cover with title text Science and heading Evolving Immunity. Silhouettes of people in various stages of life (infancy to childhood, adulthood, and older age) contain associated immune cells (neutrophils, basophils, B and T cells), proteins, bacteria
Parasites in Human Tissues, Thomas C. Orihel
Climate Clock Metamorphosis, The Revelator
Nephrotoxicity of Alternative Medicine Practices
Reversing the Hands of Time, Science Immunology
Chemotherapy Reshapes Cardiac Macrophages, Science Immunology
Gardening and Mental Health, Wild Ones
Decoding the Brain Tumor Immune Microenvironment, Science Immunology
Alan L Hart Biography, PQA
Manhattan Botanical Society
Former Creationist, Washington Post
The New York Entomological Society
San Francisco Conservatory of Flowers
Deaf Culture Zine
Prague Clock
Darwin's Birds