An article from Science News Oct 2019
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from article Model theory
Conceptual model of a system.
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from article Model theory
Model of a regional population system.
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from article Animal testing
Mice are the most commonly used vertebrate species in animal testing and research. (Credit: Dolores Bonaparte)
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from article Animal testing
The use of animals in biomedical research remains essential, but the handling of these sentient beings must be done humanely to minimize and prevent animal harm. (Credit: U.S. Department of Agriculture)
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from article Science
Italian physicist and astronomer Galileo Galilei (1564–1643) founded the modern scientific method of deducing laws to explain the results of observation and experiment. (Credit: Getty Images)
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from article Experiment
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from article Philosophy of science
Pulpit Rock Park in Colorado Springs, Colorado, photographed with camera equipment sensitive to infrared wavelengths of light outside of the visible portion of the electromagnetic spectrum that humans can perceive. The "invisible" light is rendered…
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from article Philosophy of science
Bust of the Greek polymath Aristotle. (Credit: Photos.com/Getty Images)
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from article Scientific methods
Fig. 1. A scientific investigator examining laboratory samples. (Credit: nandyphotos/Getty Images)
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from article Scientific methods
Portrait of scientist Francis Bacon at the age of 66. Bacon advanced challenging views of the scientific method. (Courtesy of Rijksmuseum, Amsterdam)
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from article Euthanasia
Euthanasia is an act by a person, typically a physician, actively and intentionally to end another person's life by some medical means at that person's explicit request. (Credit: Michael Jung/Shutterstock)
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from article Bioethics
Microinjection of human embryonic stem (ES) cells into an egg cell ovum. (Credit: Deco/Alamy Stock Photo)
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from article Bioethics
Dolly (the world's first cloned mammal) and her first-born lamb, Bonny. (Credit: Roslin Institute, University of Edinburgh, United Kingdom)
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from article Literature of science and technology
The Theological Hall of the Strahov Monastery Library, Prague, Czech Republic. This hall contains approximately 42,000 volumes dealing with astronomy, mathematics, and other sciences. (Credit: Copyright © Antonin Vodak/Alamy Stock Photo)
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from article Literature of science and technology
Most indexing and abstracting serials are now Web-accessible in electronic format, and many publishers have discontinued the print format. (Credit: Copyright © Dave and Les Jacobs/Blend Images LLC)
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from article The development of the lithium-ion battery has won the chemistry Nobel Prize
Three scientists, John B. Goodenough, M. Stanley Whittingham and Akira Yoshino (from left), have won the Nobel Prize in chemistry for their work on lithium-ion batteries. (Credit: From left: Cockrell School of Engineering/Univ. of Texas at Austin;…
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from article Nobel Prizes for 2005
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from article Nobel Prizes for 2005
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from article Nobel Prizes for 2005
