This book of essays presents insightful historical analyses of issues in the sciences, in technology and in medicine our contemporary world is confronting. It is about what we know--and don't yet know--about science, technology, and medicine in the recent past, and addresses new methods that historians can use to explore these developments. For historians, philosophers, and sociologistis of science, technology and medicine, the book will be a valuable guide on how to make their discipline more relevant by their researches and in their teaching.