Portal:History of science
The History of Science Portal
The history of science covers the development of science from ancient times to the present. It encompasses all three major branches of science: natural, social, and formal. Protoscience, early sciences, and natural philosophies such as alchemy and astrology that existed during the Bronze Age, Iron Age, classical antiquity and the Middle Ages, declined during the early modern period after the establishment of formal disciplines of science in the Age of Enlightenment.
The earliest roots of scientific thinking and practice can be traced to Ancient Egypt and Mesopotamia during the 3rd and 2nd millennia BCE. These civilizations' contributions to mathematics, astronomy, and medicine influenced later Greek natural philosophy of classical antiquity, wherein formal attempts were made to provide explanations of events in the physical world based on natural causes. After the fall of the Western Roman Empire, knowledge of Greek conceptions of the world deteriorated in Latin-speaking Western Europe during the early centuries (400 to 1000 CE) of the Middle Ages, but continued to thrive in the Greek-speaking Byzantine Empire. Aided by translations of Greek texts, the Hellenistic worldview was preserved and absorbed into the Arabic-speaking Muslim world during the Islamic Golden Age. The recovery and assimilation of Greek works and Islamic inquiries into Western Europe from the 10th to 13th century revived the learning of natural philosophy in the West. Traditions of early science were also developed in ancient India and separately in ancient China, the Chinese model having influenced Vietnam, Korea and Japan before Western exploration. Among the Pre-Columbian peoples of Mesoamerica, the Zapotec civilization established their first known traditions of astronomy and mathematics for producing calendars, followed by other civilizations such as the Maya.
Natural philosophy was transformed by the Scientific Revolution that transpired during the 16th and 17th centuries in Europe, as new ideas and discoveries departed from previous Greek conceptions and traditions. The New Science that emerged was more mechanistic in its worldview, more integrated with mathematics, and more reliable and open as its knowledge was based on a newly defined scientific method. More "revolutions" in subsequent centuries soon followed. The chemical revolution of the 18th century, for instance, introduced new quantitative methods and measurements for chemistry. In the 19th century, new perspectives regarding the conservation of energy, age of Earth, and evolution came into focus. And in the 20th century, new discoveries in genetics and physics laid the foundations for new sub disciplines such as molecular biology and particle physics. Moreover, industrial and military concerns as well as the increasing complexity of new research endeavors ushered in the era of "big science," particularly after World War II. (Full article...)
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The history of virology – the scientific study of viruses and the infections they cause – began in the closing years of the 19th century. Although Edward Jenner and Louis Pasteur developed the first vaccines to protect against viral infections, they did not know that viruses existed. The first evidence of the existence of viruses came from experiments with filters that had pores small enough to retain bacteria. In 1892, Dmitri Ivanovsky used one of these filters to show that sap from a diseased tobacco plant remained infectious to healthy tobacco plants despite having been filtered. Martinus Beijerinck called the filtered, infectious substance a "virus" and this discovery is considered to be the beginning of virology.
The subsequent discovery and partial characterization of bacteriophages by Frederick Twort and Félix d'Herelle further catalyzed the field, and by the early 20th century many viruses had been discovered. In 1926, Thomas Milton Rivers defined viruses as obligate parasites. Viruses were demonstrated to be particles, rather than a fluid, by Wendell Meredith Stanley, and the invention of the electron microscope in 1931 allowed their complex structures to be visualised. (Full article...)
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This watercolor depicts a native from the Tierra del Fuego, from around the time that Charles Darwin was on his Voyage of the Beagle (1830s). Darwin was taken aback at the crude savagery of the natives, in stark contrast to the civilised behaviour of the three Fuegians they were returning as missionaries (who had been given the names York Minster, Fuegia Basket and Jemmy Button). He described his first meeting with the native Fuegians as being "without exception the most curious and interesting spectacle I ever beheld: I could not have believed how wide was the difference between savage and civilised man: it is greater than between a wild and domesticated animal, inasmuch as in man there is a greater power of improvement." In contrast, he said of Jemmy that "It seems yet wonderful to me, when I think over all his many good qualities, that he should have been of the same race, and doubtless partaken of the same character, with the miserable, degraded savages whom we first met here." Four decades later, in The Descent of Man, he would use his impressions from this period as evidence that man had evolved civilization from a more primitive state.
Did you know
...that the travel narrative The Malay Archipelago, by biologist Alfred Russel Wallace, was used by the novelist Joseph Conrad as a source for his novel Lord Jim?
...that the seventeenth century philosophers René Descartes, Baruch Spinoza, and Gottfried Leibniz, along with their Empiricist contemporary Thomas Hobbes all formulated definitions of conatus, an innate inclination of a thing to continue to exist and enhance itself?
...that according to the controversial Hockney-Falco thesis, the rise of realism in Renaissance art, such as Jan Van Eyck's Arnolfini Portrait (pictured), was largely due to the use of curved mirrors and other optical aids?
Selected Biography -
Muhammad ibn al-Katib Sinan al-Qunawi (died c. 1524), also known as Muhammad ibn Yusuf, was an Ottoman astronomer and muwaqqit (timekeeper) in the late fifteenth and early sixteenth century. A pioneer of Ottoman astronomy, especially in the field of astronomical instruments and timekeeping, he served as muwaqqit at various mosques, and eventually at the Sublime Porte under Suleiman the Magnificent (r. 1520–1566). He was influenced by earlier Mamluk astronomers, especially Shams al-Din al-Khalili (1320–1380) and Ibn al-Shatir (c. 1304–1375), as well as by the Central Asian Ali al-Qushji and Al-Biruni.
He wrote two treatises on the construction of the astrolabe quadrant (al-rub' al-muqantarat), including Hadiyat al-Muluk ("A Present for Kings") dedicated to Bayezid II (r. 1481–1512). He published a Turkish edition of Al-Khalili's universal tables, and compiled Mizan al-Kawakib ("Balance of the Stars"), containing tables that allow reading the time at night by observing the stars—"the most original Ottoman contribution to astronomical timekeeping by tables" according to historian of astronomy David A. King. In addition to the then commonly used Arabic, he also wrote in Turkish, in order to make his field more accessible throughout the empire. This tradition would be continued by astronomers such as Mustafa ibn Ali al-Muwaqqit. Taha Yasin Arslan writes that al-Qunawi "single-handedly pioneered" the science of timekeeping in the Ottoman Empire. (Full article...)
Selected anniversaries
- 1698 - Birth of Henry Baker, English naturalist (d. 1774)
- 1788 - Death of Giovanni Antonio Scopoli, Italian-Austrian physician and naturalist (b. 1723)
- 1794 - Death of Antoine Lavoisier, French chemist (executed) (b. 1743)
- 1842 - Birth of Emil Christian Hansen, Danish fermentation physiologist (d. 1909)
- 1902 - Birth of Andre Michael Lwoff, French microbiologist and Nobel Prize laureate (d. 1994)
- 1947 - Birth of H. Robert Horvitz, American biologist and Nobel Prize laureate
- 1960 - Death of J. H. C. Whitehead, British mathematician (b. 1904)
- 1985 - Death of Theodore Sturgeon, American science fiction writer (b. 1918)
- 1988 - Death of Robert A. Heinlein, American science fiction writer (b. 1907)
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