Katsuko Saruhashi

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Thursday s Google Doodle celebrates pioneering female geochemist Katsuko Saruhashi on what would have been her th birthday..Google is honouring Katsuko Saruhashi, a Japanese scientist who did pioneering work in her field and then inspired many more like herself to do the same..Today s Google Doodle celebrates the work of geochemist Katsuko Saruhashi. It s partly thanks to Saruhashi s work that underwater nuclear tests are now banned by treaty..Katsuko Saruhashi s interest in water led her to be the first woman to earn a doctorate in chemistry from the University of Tokyo in . The groundbreaking geochemist developed methodology to accurately determine the carbonic acid substances in natural waters based on water temperature, pH level .