The book "Discovery of Radium. Speech by Madame M. Curie at Vassar College" is an interesting scientific essay in which the famous scientist Marie Curie talks about the discovery of a new element - radium. In her speech, the scientist shares her own research, reveals the process of discovering radium and highlights its properties and possible applications. The book contains important information about the chemical properties of radium, its impact on the environment and benefits for science. This is a fascinating read for anyone interested in modern science and discoveries in chemistry.