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Scientists maintain that scientific investigation must adhere to the scientific method, a rigorous process for properly developing and evaluating natural explanations for observable phenomena based on reliable empirical evidence and neutral, unbiased independent verification, and not on arguments from authority or popular preferences. Science therefore bypasses supernatural explanations, it instead only considers natural explanations that may be falsifiable.
Fields of science are distinguished as pure science or applied science. Pure science is principally involved with the discovery of new truths with little or no regard to their practical applications. Applied science is principally involved with the application of existing knowledge in new ways, including advances in technology.
Mathematics is the language in which scientific information is best presented, often it is the only way to formulate and present scientific knowledge. Therefore whether mathematics is a science in itself or the framework of science is a matter of perspective.
The rate of DNA repair is dependent on many factors, including the cell type, the age of the cell, and the extracellular environment. A cell that has accumulated a large amount of DNA damage, or one that no longer effectively repairs damage incurred by its DNA, can enter one of three possible states: an irreversible state of dormancy, known as senescence; cell suicide, also known as apoptosis or programmed cell death; or unregulated cell division, which can lead to the formation of a tumor that is cancerous.
Paramecium aurelia, the best known of all ciliates. The bubbles throughout the cell are vacuoles. The entire surface is covered in cilia, which are blurred by their rapid movement. Cilia are short, hair-like projections that help with locomotion.
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Welcome to the Science Portal! This page is a guide to Wikiversity learning resources that are about science in general. Please help create and organize learning resources at the content development projects. Browse the major science categories: Engineering and Technology, Life Sciences, Mathematics, Physical Sciences, Social Sciences.
What is science? - participants explore and discuss the nature of science.
Modern alchemy
The goals of alchemy were transmutation of any metal into gold, to
prolong life indefinitely and to create human life. It can be
argued that all of the key elements of traditional alchemy have
become incorporated into conventional sciences. Transmutation of
elements has been accomplished by physicists. Modern medical science
is devoted to the treatment of disease and the prolongation of
life. Biological techniques provide a
significant level of control over the creation of new life from
non-living chemical precursors.
All of these alchemy-inspired activities within modern science continue to force us up against the boundaries of conventional science. Transmutation is difficult and expensive. Immortality is a dream of many transhumanists. Only the most primitive forms of life can be constructed from scratch. Artificial life is still in its infancy. Creation of a robotic artificial life form with human qualities might be viewed as one way of satisfying the dream of creating life. Genetic engineering has begun to provide tools for the creation of new forms of biological organisms.
Participants at the Wikiversity Astronomy Project access public astronomy databases and explore outer space. Learn astronomy "on the job" by participating in analysis of astronomical observations that are available in public databases.
Aristotle (384-322 BC) is said to have studied marine organisms at the island of Lesbos. Aristotle observed crustaceans, echinoderms, mollusks, and fish. He knew that cetaceans are mammals, and that some marine vertebrates release eggs that hatch outside the body while others have eggs that hatch within the body. Aristotle is often referred to as the father of marine biology.
Many science-related learning resources are for specific scientific sub-disciplines and can be found with the aid of other Wikiversity portals: Engineering and Technology - Life Sciences - Mathematics - Physical Sciences - Social Sciences
Wikiversity is new and depends on volunteer editors. In the Sciences we have content development projects for: Biology - Biomechanics - School of Dentistry - Marine Sciences - Medicine - Pharmacy - Plant Sciences - Veterinary Medicine - Zoology - Molecular Biology - Microbiology - Ecology - Genetics - Paleontology - School of Chemistry - School of Geology - School of Hydrology - School of Physics and Astronomy - School of Engineering - School of Electronics - Department of Astronomy - Center for the Study of General Relativity - Department of Anthropology - School of Criminal Justice - Economics - School of Media Studies - School of Developmental Sciences - Department of Anthropology - School of History - School of Linguistics - School of Political Science - Department of Sociology - School of Demography - Department Social Work - Center for Strategic Studies - Mathematics - Computer Science
Browse science-related learning resources in these categories: Engineering and Technology, Life Sciences, Mathematics, Physical Sciences, Social Sciences, Category:Metrology, Category:Open source science, Category:Physics and Astronomy, Category:Science journalism, Category:Scientific Computing, Category:The Question, Category:Time, Category:Wiki Science, Biology, Marine sciences, Medicine, Neuroscience, Plant Sciences, Zoology, Algebra, Algorithms, Analysis, Applied Mathematics, Calculus, Elementary mathematics, Geometry, School of Mathematics, Statistics, Astronomy, Chemistry, Geology, Hydrology, Marine sciences, Mathematics, Meteorology, Physics, Social Sciences, Anthropology, Communication, Criminal Justice, Cultural Studies, Economics, History, Linguistics, Political Science, Psychology, Sociology, Media Studies, Women's Studies
"...I believe that at the end of the century the use of words and general educated opinion will have altered so much that one will be able to speak of machines thinking without expecting to be contradicted." Alan Turing
"the equation E = mc², in which energy is put equal to mass, multiplied by the square of the velocity of light, showed that very small amounts of mass may be converted into a very large amount of energy and vice versa." Albert Einstein
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The Wikiversity Science Journalism Center is a content development project where Wikiversity participants can collaborate to develop learning resources for science journalism. The 2006 Nobel Prize in Physiology or Medicine was awarded to Andrew Z. Fire and Craig C. Mello for their discovery of RNA interference.
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