Tag: science
-
Origin of the mind
Bhargavi Bhattacharyya Kolkata, India Artificial Intelligence. Photo by Gerd Altman. From Pixabay. How are the mind and brain related? The brain is a ball of nerve cells, or neurons. The mind, the functional unit of the brain, includes imagination, perception, thinking, intelligence, judgment, language, memory, and emotions. How do these basic units, neurons, translate…
-
Head and hand: Claude Bernard’s experimental medicine
James A. Marcum Waco, Texas, United States Claude Bernard. Source: National Library of Medicine, the hisotry of medicine public domain image files. Claude Bernard’s Introduction à l’étude de la médecine expérimentale, originally published in 1865, occupies a critical position in the development of experimental medicine and science.1 In the introduction to the book, Bernard…
-
Airs and graces: Humphry Davy and science as performance
Alan Bleakley Sennen, West Cornwall, United Kingdom A cartoon featured in an 1807 dissertation by a medical student at the University of Pennsylvania on the “chemical and exhilarating effects of nitrous oxide gas.” The two figures are almost certainly Davy to the right and perhaps Beddoes to the left. Credit: Bulletin of the Society…
-
When Darwin was wrong
John Hayman Victoria, Australia Fig. 1. The Parallel Roads of Glen Roy, as would have been seen by Darwin. (Photo by Bev Biggs.) Charles Darwin (1809-1802) is rightly famous, not for the discovery of evolution but for revealing the mechanism by which it may occur, natural selection. He not only formulated this idea, but…
-
Book review: The Origins of Modern Science
Arpan K. BanerjeeSolihull, United Kingdom Science and medicine have long been intertwined: many advances in the field of medicine would not have been possible without prior knowledge of fundamental science. It is not surprising, therefore, that a medical historian would also find the history of science fascinating. In this book, Ofer Gal has described the…
-
Mitochondrial DNA: a maternal gift
Marshall Lichtman Rochester, New York, United States Human haplogroup tree rooted at Mitochondrial Eve. By Wapondaponda. 2009. Via Wikimedia. CC BY-SA 3.0 DNA is arrayed on twenty-three pairs of chromosomes in human cell nuclei. It is coiled tightly around proteins called histones that together with DNA form a chromosome. The largest chromosome carries several…