Rioka Hayama

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

Parasites in Human Tissues, Thomas C. Orihel

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 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.

Gardening and Mental Health, Wild Ones

Darwin's Birds

Alan L Hart Biography, PQA

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

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

Chemotherapy Reshapes Cardiac Macrophages, Science Immunology

Manhattan Botanical Society

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

San Francisco Conservatory of Flowers

Reversing the Hands of Time, Science Immunology

Nephrotoxicity of Alternative Medicine Practices

Deaf Culture Zine

Former Creationist, Washington Post

Climate Clock Metamorphosis, The Revelator

Decoding the Brain Tumor Immune Microenvironment, Science Immunology

The New York Entomological Society

Untitled_Artwork 51.png

Parasites in Human Tissues, Thomas C. Orihel

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 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.

Gardening and Mental Health, Wild Ones

Darwin's Birds

Alan L Hart Biography, PQA

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

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

Chemotherapy Reshapes Cardiac Macrophages, Science Immunology

Manhattan Botanical Society

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

San Francisco Conservatory of Flowers

Reversing the Hands of Time, Science Immunology

Nephrotoxicity of Alternative Medicine Practices

Deaf Culture Zine

Former Creationist, Washington Post

Climate Clock Metamorphosis, The Revelator

Decoding the Brain Tumor Immune Microenvironment, Science Immunology

The New York Entomological Society

Untitled_Artwork 51.png

© Rioka Hayama 2026