In 2009, Professor Costas Sioutas and his team played an integral role in in saving Leonardo Da Vinci’s masterpiece, “The Last Supper,” from Milan’s air pollution by developing state-of-the-art aerosol technologies to assess the toxicity of particulate matter air pollution.
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![Image](https://magazine.viterbi.usc.edu/wp-content/uploads/2020/08/FA2020_500_109.jpg)