The first woman to get a PhD in chemistry in Japan, geochemist Katsuko Saruhashi would have been 98 today and Google has honored her with her very own Google Doodle. Saruhashi’s research (measuring molecules in seawater) revealed the radioactive fallout that occurred after the United States began nuclear testing in the Pacific. She and her colleagues found that “fallout didn’t disperse evenly in the ocean.” A champion for women in science, she also co-founded the Society of Japanese Women Scientists in 1958. She is yet another oftentimes overlooked woman who made a huge impact in the world of science. Read more at The Verge.