March 22 is #WorldWaterDay and an apt birthday for Japanese #geochemist Katsuko Saruhashi (1920-2007) who created tools that allowed her to make 1st measurements of CO2 in seawater, raised the alarm about nuclear fallout, tracing it in oceans & researched peaceful uses of nuclear power. A supporter of women in science, she established the Society of Japanese Women Scientists & 🧵1/n
#printmaking #sciart #womenInSTEM #climateChange #oceanography #linocut #MastoArt