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Biology is the natural science that involves the study of life and living organisms, including their physical structure, chemical composition, function, development and evolution. Modern biology is a vast field, composed of many branches. Despite the broad scope and the complexity of the science, there are certain unifying ...


Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first- year ...


And then perhaps one of the biggest questions of all is how did life come about? And we will study that as we look at evolution and natural selection. So welcome to Khan Academy's Biology section. I think you're going to find it fascinating. You' re going to realize that biology, in some way, is the most complex of the sciences.


Aug 9, 2017 ... Biology is the science of life. Biologists study the structure, function, growth, origin , evolution and distribution of living organisms.


Study in bacteria shows how regularly DNA changes and how few of those changes are deadly. young business man sitting behind a desk at the office · The condescending smiles of others stress us out. By Kimberly Hickok Mar. 13, 2018. “Dominant” smiles cause stress levels to spike, compared with rewarding smiles.


Biology news and videos from research institutes around the world. Updated daily.


Mar 12, 2018 ... Biology, study of living things and their vital processes. The field deals with all the physicochemical aspects of life. The modern tendency toward cross-disciplinary research and the unification of scientific knowledge and investigation from different fields has resulted in significant overlap of the field of biology ...


Take biology & life sciences courses online for free from top universities worldwide. Browse biology & life sciences MOOCS in a variety of disciplines and enroll now.


INTRODUCTION: THE NATURE OF SCIENCE AND BIOLOGY. Table of Contents . Biology: The Science of Our Lives | Science and the Scientific Method | Theories Contributing to Modern Biology. Development of the Theory of Evolution | The Modern View of the Age of the Earth | Development of the Modern View of ...