In the early 1960s, in a small shack on the Washington coast, ayoung, self educated Japanese scientist performed an experiment todetermine what made a certain jellyfish glow The substance hediscovered, green fluorescent protein, would revolutionise molecularbiology, transforming our study of everything from the AIDS virus to theworkings of the brain Aglow in the Dark folIn the early 1960s, in a small shack on the Washington coast, ayoung, self educated Japanese scientist performed an experiment todetermine what made a certain jellyfish glow The substance hediscovered, green fluorescent protein, would revolutionise molecularbiology, transforming our study of everything from the AIDS virus to theworkings of the brain Aglow in the Dark follows the path that took thisglowing compound from its inauspicious arrival on the scientific sceneto its present day eminence as one of the most groundbreakingdiscoveries of the 20th Century.