In 1950, she started studying CO 2 levels in seawater and earned her doctorate in chemistry in 1957 from the University of Tokyo, becoming the first woman to do so.
She started studying CO 2 levels in seawater. This was in 1950. She earned her doctorate in chemistry in 1957 from the University of Tokyo. This was in 1950. She was becoming the first woman. This was in 1950. This was to do so.