Professor Sharon Ruston of Lancaster University is offering a free online course through Future Learn called "Humphry Davy: Laughing Gas, Literature, and the Lamp". These types of course are fun and informative. If you are interested in Shelley you will want to learn more about Davy because Shelley studied him closely. Shelley was one of the last great polymaths - he was well versed with a range of subjects that dwarfs most of his famous contemporaries. Science was one of them. To understand Shelley fully, you need to understand his interest in science - this course can help you to do this.