Here is a critical account of the experimental work of German biologist and Nobel laureate Hans Spemann, one of the founders of experimental embryology. The author, a distinguished developmental biologist, spent almost a decade in Spemann's laboratory. He examines Spemann's work and traces the different lines of investigation which emerged from his mentor's seminal research, and laid the foundation for modern cellular and developmental biology.

Here is a critical account of the experimental work of German biologist and Nobel laureate Hans Spemann, one of the founders of experimental embryology. The author, a distinguished developmental biologist, spent almost a decade in Spemann's laboratory. He examines Spemann's work and traces the different lines of investigation which emerged from his mentor's seminal research, and laid the foundation for modern cellular and developmental biology.

Biographic Memoirs: Volume 73 contains the biographies of deceased members of the National Academy of Sciences and bibliographies of their published works. Each biographical essay was written by a member of the Academy familiar with the professional career of the deceased. For historical and bibliographical purposes, these volumes are worth returning to time and again.

This handbook offers original, critical perspectives on different approaches to the history of biology. This collection is intended to start a new conversation among historians of biology regarding their work, its history, and its future. Historical scholarship does not take place in isolation: As historians create their narratives describing the past, they are in dialogue not only with their sources but with other historians and other narratives. One important task for the historian is to place her narrative in a historiographic lineage. Each author in this collection offers their particular perspective on the historiography of a range of topics from Model Organisms to Eugenics, Molecular Biology to Biotechnology, Women, Race, Scientific Biography, Genetics, Darwin and more. Rather than comprehensive literature reviews, the essays critically reflect upon important historiographic trends, offering pointed appraisals of the field by leading scholars. Other authors will surely have different perspectives, and this is the beauty and challenge of history-making. The Handbook of the Historiography of Biology presents an opportunity to engage with each other about how the history of biology has been and will be written.

Of mouse development -- Setting up a colony for the production of transgenic mice -- Recovery, culture, and transfer of embryos -- Introduction of new genetic information into the developing mouse embryo -- Iolation of pluripotential stem cell lines -- Techhniques for visualizing genes and gene products -- In vitro culture of eggs, embryos, and teratocarcinoma cels -- Chemicals, supplies, and solutions.

Originally published in German in 1935, this monograph anticipated solutions to problems of scientific progress, the truth of scientific fact and the role of error in science now associated with the work of Thomas Kuhn and others. Arguing that every scientific concept and theory—including his own—is culturally conditioned, Fleck was appreciably ahead of his time. And as Kuhn observes in his foreword, "Though much has occurred since its publication, it remains a brilliant and largely unexploited resource." "To many scientists just as to many historians and philosophers of science facts are things that simply are the case: they are discovered through properly passive observation of natural reality. To such views Fleck replies that facts are invented, not discovered. Moreover, the appearance of scientific facts as discovered things is itself a social construction, a made thing. A work of transparent brilliance, one of the most significant contributions toward a thoroughly sociological account of scientific knowledge."—Steven Shapin, Science