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Hard and soft science. Hard science and soft science are colloquial terms used to compare scientific fields on the basis of perceived methodological rigor, exactitude, and objectivity. [ 1 ][ 2 ][ 3 ] In general, the formal sciences and natural sciences are considered hard science, whereas the social sciences and other sciences are described as ...
Hard science fiction is a category of science fiction characterized by concern for scientific accuracy and logic. [1][2][3] The term was first used in print in 1957 by P. Schuyler Miller in a review of John W. Campbell 's Islands of Space in the November issue of Astounding Science Fiction. [4][5][1] The complementary term soft science fiction ...
Reductionism is any of several related philosophical ideas regarding the associations between phenomena which can be described in terms of simpler or more fundamental phenomena. [1] It is also described as an intellectual and philosophical position that interprets a complex system as the sum of its parts. [2]
A gene is a DNA sequence that codes for a diffusible product. This product may be protein (as is the case in the majority of genes) or may be RNA (as is the case of genes that code for tRNA and rRNA). The crucial feature is that the product diffuses away from its site of synthesis to act elsewhere.
What Is Life? The Physical Aspect of the Living Cell is a 1944 science book written for the lay reader by physicist Erwin Schrödinger.The book was based on a course of public lectures delivered by Schrödinger in February 1943, under the auspices of the Dublin Institute for Advanced Studies, where he was Director of Theoretical Physics, at Trinity College, Dublin.
A major theme of science fiction and of speculative biology is to convey a message of optimism or pessimism according to the author's worldview. [5] [6] Whereas optimistic visions of technological progress are common enough in hard science fiction, pessimistic views of the future of humanity are far more usual in fiction based on biology. [4]
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
A species (pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1] It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.