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 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.
Science's earliest roots can be traced to Ancient Egypt and Mesopotamia around 3000 to 1200 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 during the Scientific Revolution in 16th- to 17th-century 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...)
Selected article -
Evolutionary thought, the recognition that species change over time and the perceived understanding of how such processes work, has roots in antiquity—in the ideas of the ancient Greeks, Romans, Chinese, Church Fathers as well as in medieval Islamic science. With the beginnings of modern biological taxonomy in the late 17th century, two opposed ideas influenced Western biological thinking: essentialism, the belief that every species has essential characteristics that are unalterable, a concept which had developed from medieval Aristotelian metaphysics, and that fit well with natural theology; and the development of the new anti-Aristotelian approach to modern science: as the Enlightenment progressed, evolutionary cosmology and the mechanical philosophy spread from the physical sciences to natural history. Naturalists began to focus on the variability of species; the emergence of palaeontology with the concept of extinction further undermined static views of nature. In the early 19th century prior to Darwinism, Jean-Baptiste Lamarck (1744–1829) proposed his theory of the transmutation of species, the first fully formed theory of evolution.
In 1858 Charles Darwin and Alfred Russel Wallace published a new evolutionary theory, explained in detail in Darwin's On the Origin of Species (1859). Darwin's theory, originally called descent with modification is known contemporarily as Darwinism or Darwinian theory. Unlike Lamarck, Darwin proposed common descent and a branching tree of life, meaning that two very different species could share a common ancestor. Darwin based his theory on the idea of natural selection: it synthesized a broad range of evidence from animal husbandry, biogeography, geology, morphology, and embryology. Debate over Darwin's work led to the rapid acceptance of the general concept of evolution, but the specific mechanism he proposed, natural selection, was not widely accepted until it was revived by developments in biology that occurred during the 1920s through the 1940s. Before that time most biologists regarded other factors as responsible for evolution. Alternatives to natural selection suggested during "the eclipse of Darwinism" (c. 1880 to 1920) included inheritance of acquired characteristics (neo-Lamarckism), an innate drive for change (orthogenesis), and sudden large mutations (saltationism). Mendelian genetics, a series of 19th-century experiments with pea plant variations rediscovered in 1900, was integrated with natural selection by Ronald Fisher, J. B. S. Haldane, and Sewall Wright during the 1910s to 1930s, and resulted in the founding of the new discipline of population genetics. During the 1930s and 1940s population genetics became integrated with other biological fields, resulting in a widely applicable theory of evolution that encompassed much of biology—the modern synthesis. (Full article...)
Selected image
During the solar eclipse of May 29, 1919, several teams of scientists attempted to verify Einstein's prediction of the bending of light around the sun using photographic measurements. This negative, taken from Arthur Eddington's report of the expedition to the African island Príncipe, was presented as part of a successful test of general relativity, based on the positions of stars near the eclipsed sun. The original caption reads:
- In Plate 1 is given a half-tone reproduction of one of the negatives taken with the 4-inch lens at Sobral. This shows the position of the stars, and, as far as possible in a reproduction of this kind, the character of the images, as there has been no retouching. A number of photographic prints have been made and applications for these from astronomers, who wish to assure themselves of the quality of the photographs, will be considered as as far as possible acceded to.
Did you know
... that the Merton Thesis—an argument connecting Protestant pietism with the rise of experimental science—dates back to Robert K. Merton's 1938 doctoral dissertation, which launched the historical sociology of science?
...that a number of scientific disciplines, such as computer science and seismology, emerged because of military funding?
...that the principle of conservation of energy was formulated independently by at least 12 individuals between 1830 and 1850?
Selected Biography -
Hans Albrecht Bethe ForMemRS (German: [ˈhans ˈbeːtə] ; July 2, 1906 – March 6, 2005) was a German-American physicist who made major contributions to nuclear physics, astrophysics, quantum electrodynamics and solid-state physics, and won the 1967 Nobel Prize in Physics for his work on the theory of stellar nucleosynthesis. For most of his career, Bethe was a professor at Cornell University.
During World War II, he was head of the Theoretical Division at the secret Los Alamos laboratory that developed the first atomic bombs. There he played a key role in calculating the critical mass of the weapons and developing the theory behind the implosion method used in both the Trinity test and the "Fat Man" weapon dropped on Nagasaki in August 1945. (Full article...)
Selected anniversaries
- 1686 – Death of Nicolas Steno, Danish geologist (b. 1638)
- 1694 – Death of Ismael Bullialdus, French astronomer (b. 1605)
- 1703 – The Great Storm of 1703, the greatest windstorm ever recorded in the southern part of Great Britain, reaches its peak intensity which it maintains through November 27. Winds gust up to 120 mph, and 9,000 people die
- 1703 – Birth of Jean-François Séguier, French astronomer and botanist (d. 1784)
- 1714 – Birth of Yoriyuki Arima, Japanese mathematician (d. 1783)
- 1814 – Birth of Julius Robert von Mayer, German physician and physicist (d. 1878)
- 1841 – Birth of Ernst Schröder, German mathematician (d. 1902)
- 1867 – Alfred Nobel patents dynamite
- 1884 – Death of Adolph Wilhelm Hermann Kolbe, German chemist (b. 1818)
- 1887 – Birth of Nikolai Vavilov, Russian geneticist (d. 1943)
- 1940 – Birth of Reinhard Furrer, American physicist and astronaut (d. 1995)
- 1972 – Death of Henri Coandă, Romanian aerodynamics pioneer (b. 1886)
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General images
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The Tusi couple, a mathematical device invented by the Persian polymath Nasir al-Din Tusi to model the not perfectly circular motions of the planets (from Science in the medieval Islamic world) -
Schematics of the Antikythera mechanism (from Science in the ancient world) -
Quince, cypress, and sumac trees, in Zakariya al-Qazwini's 13th century Wonders of Creation (from Science in the medieval Islamic world) -
A page from al-Khwarizmi's Algebra (from Science in the medieval Islamic world) -
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The physical exercise chart; a painting on silk depicting calisthenics; unearthed in 1973 in Hunan, China, from the 2nd-century BC Western Han burial site of Mawangdui, Tomb Number 3 (from Science in the ancient world) -
Image of veins from William Harvey's Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus. Harvey demonstrated that blood circulated around the body, rather than being created in the liver. (from Scientific Revolution) -
Vesalius's intricately detailed drawings of human dissections in Fabrica helped to overturn the medical theories of Galen. (from Scientific Revolution) -
Self trimming lamp in Ahmad ibn Mūsā ibn Shākir's treatise on mechanical devices, c. 850 (from Science in the medieval Islamic world) -
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Diagram of the Antikythera mechanism, an analog astronomical calculator (from Science in classical antiquity)
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The French Academy of Sciences was established in 1666. (from Scientific Revolution) -
Page from the Kitāb al-Hayawān (Book of Animals) by Al-Jahiz. Ninth century (from Science in the medieval Islamic world) -
Matteo Ricci (left) and Xu Guangqi (right) in Athanasius Kircher, La Chine ... Illustrée, Amsterdam, 1670 (from Scientific Revolution) -
The physician Hippocrates, known as the "Father of Modern Medicine" (from Science in classical antiquity) -
Surviving fragment of the first World Map of Piri Reis (1513) (from Science in the medieval Islamic world) -
Title page from The Sceptical Chymist, a foundational text of chemistry, written by Robert Boyle in 1661 (from Scientific Revolution) -
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Apollonius wrote a comprehensive study of conic sections in the Conics. (from Science in classical antiquity) -
Modern copy of al-Idrisi's 1154 Tabula Rogeriana, upside-down, north at top (from Science in the medieval Islamic world) -
A 19th-century portrait of Pliny the Elder (from Science in classical antiquity) -
George Trebizond's Latin translation of Ptolemy's Almagest (c. 1451) (from Science in classical antiquity) -
The Abbasid Caliphate, 750–1261 (and later in Egypt) at its height, c. 850 (from Science in the medieval Islamic world) -
Mesopotamian clay tablet-letter from 2400 BC, Louvre (from King of Lagash, found at Girsu) (from Science in the ancient world) -
Isaac Newton's Principia developed the first set of unified scientific laws. (from Scientific Revolution) -
Scholar Nersi with Anahita in Persia (from Science in the ancient world) -
The Royal Society had its origins in Gresham College in the City of London, and was the first scientific society in the world. (from Scientific Revolution) -
Ancient India was an early leader in metallurgy, as evidenced by the wrought iron Pillar of Delhi. (from Science in the ancient world) -
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An early Western Han (202 BC – AD 9) silk map found in tomb 3 of Mawangdui, depicting the Kingdom of Changsha and Kingdom of Nanyue in southern China (note: the south direction is oriented at the top) (from Science in the ancient world) -
Diagram from William Gilbert's De Magnete, a pioneering 1600 work of experimental science (from Scientific Revolution) -
Islamic expansion:under Muhammad, 622–632under Rashidun caliphs, 632–661under Umayyad caliphs, 661–750(from Science in the medieval Islamic world) -
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Ibn Sina teaching the use of drugs. 15th-century Great Canon of Avicenna (from Science in the medieval Islamic world) -
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Omar Khayyam's "Cubic equation and intersection of conic sections" (from Science in the medieval Islamic world) -
Ptolemaic model of the spheres for Venus, Mars, Jupiter, and Saturn. Georg von Peuerbach, Theoricae novae planetarum, 1474. (from Scientific Revolution) -
Ibn al-Haytham (Alhazen), (965–1039 Iraq). A polymath, sometimes considered the father of modern scientific methodology due to his emphasis on experimental data and on the reproducibility of its results. (from Science in the medieval Islamic world) -
Francis Bacon was a pivotal figure in establishing the scientific method of investigation. Portrait by Frans Pourbus the Younger (1617). (from Scientific Revolution) -
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The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604) (from Scientific Revolution) -
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The four classical elements (fire, air, water, earth) of Empedocles illustrated with a burning log. The log releases all four elements as it is destroyed. (from Science in classical antiquity) -
Detail showing columns of glyphs from a portion of the 2nd century AD La Mojarra Stela 1 (found near La Mojarra, Veracruz, Mexico); the left column gives a Long Count calendar date of 8.5.16.9.7, or 156 AD. The other columns visible are glyphs from the Epi-Olmec script. (from Science in the ancient world) -
Pliny the Elder: an imaginative 19th-century portrait (from Science in the ancient world)
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Portrait of Johannes Kepler, one of the founders and fathers of modern astronomy, the scientific method, natural and modern science (from Scientific Revolution) -
An Egyptian practice of treating migraine in ancient Egypt (from Science in the ancient world) -
Air pump built by Robert Boyle. Many new instruments were devised in this period, which greatly aided in the expansion of scientific knowledge. (from Scientific Revolution) -
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A mosaic depicting Plato's Academy, from the Villa of T. Siminius Stephanus in Pompeii (1st century AD) (from Science in classical antiquity) -
An ivory set of Napier's Bones, an early calculating device invented by John Napier (from Scientific Revolution)
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