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Sir Alexander Fleming (August 6, 1881 - March 11, 1955) was a Scottish biologist, pharmacologist and botanist. He wrote many articles on bacteriology, immunology, and chemotherapy. His best-known discoveries are the enzyme substance lysozyme in 1923, and the anitbiotic substance penicillin from the mould Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain. This audiobook is from a 1950 talk he gave on the development of antibiotics.

Discover the fascinating lives of the iconic figures that have shaped Scotland from the early nineteenth century to the present day. Explore the rich history of Scotland’s cultural, social and political landscape, with more than 100 obituaries carefully curated from The Times archive. The...

What propels some individuals to reach extraordinary creative heights in the earliest years of life while others discover their passions decades later? Are prodigies imbued with innate talent? Do late bloomers reveal their talents because their skills require life experience and contemplation? Through engaging storytelling and intriguing historical and cutting-edge scientific research, best-selling author and acclaimed journalist Claudia Kalb explores these questions to uncover what makes a prodigy and what drives a late bloomer.