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19 results

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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

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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 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 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;…