Ritsuko Kawai is a science and technology journalist whose work appears in outlets like WIRED Japan, WIRED en Español, and WIRED Magazine. Her recent articles explore topics ranging from the mental health impacts of smartphone use in young children to how artificial sweeteners might accelerate brain aging, as well as advances in bioengineered skin that mimics natural physiology. She also covers environmental science, space, and human evolution, often translating complex research into accessible stories for general readers.