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Anyone else getting high school chemistry flashbacks whilst looking at Google's homepage? Well, that's because today's Google Doodle was created in celebration of what would have been Robert Wilhelm Eberhard Bunsen's 200th birthday.
Bunsen was a chemist who discovered the elements caesium and rubidium, and he invented the Bunsen cell battery, according to The Telegraph. He also invented -- surprise, surprise -- the Bunsen burner.