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Google doodle honours Japanese geochemist Katsuko Saruhashi's on her 98th birth anniversary
Internet search engine giant Google has honoured the Japanese geochemist and feminist Katsuko Saruhashi's with a sketch doodle on her 98th birth anniversary. She is credited for the first measurements of carbon dioxide levels in the seawater.

According to the Google doodle blog, the home page doodle is meant to 'pay tribute to Dr Katsuko Saruhashi for her incredible contributions to science, and for inspiring young scientists everywhere to succeed'.

"She was the first to accurately measure the concentration of carbonic acid in water based on temperature, pH Level, and chlorinity. Named 'Saruhashi's Table' after her, this methodology has proved invaluable to oceanographers everywhere. She also developed a technique to trace the travel of radioactive fallout across the oceans that led to restricting oceanic nuclear experimentation in 1963," adds the blog.

Katsuko Saruhashi (1920 – 2007) was a Japanese geochemist showed carbon dioxide in seawater and the atmosphere of the dangers of radioactive fallout. She is credited for showing how the effects of radioactivity fallout can spread across the entire world and not just affect the immediate area.

She also did in-depth studies in the areas of acid rain and its effects. For her pioneering research, Saruhashi was awarded the Miyake Prize for geochemistry and the Tanaka Prize from the Society of Sea Water Sciences.

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