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Members of the Academy in 1667 with Louis XIV

Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into two or three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the behavioural sciences (e.g., economics, psychology, and sociology), which study individuals and societies. The formal sciences (e.g., logic, mathematics, and theoretical computer science), which study formal systems governed by axioms and rules, are sometimes described as being sciences as well; however, they are often regarded as a separate field because they rely on deductive reasoning instead of the scientific method or empirical evidence as their main methodology. Applied sciences are disciplines that use scientific knowledge for practical purposes, such as engineering and medicine. (Full article...)

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  • Image 1 Pigeon with German miniature camera, probably during the First World War Pigeon photography is an aerial photography technique invented in 1907 by the German apothecary Julius Neubronner, who also used pigeons to deliver medications. A homing pigeon was fitted with an aluminium breast harness to which a lightweight time-delayed miniature camera could be attached. Neubronner's German patent application was initially rejected, but was granted in December 1908 after he produced authenticated photographs taken by his pigeons. He publicized the technique at the 1909 Dresden International Photographic Exhibition, and sold some images as postcards at the Frankfurt International Aviation Exhibition and at the 1910 and 1911 Paris Air Shows. (Full article...)
    Pigeon with German miniature camera, probably during the First World War


    Pigeon photography is an aerial photography technique invented in 1907 by the German apothecary Julius Neubronner, who also used pigeons to deliver medications. A homing pigeon was fitted with an aluminium breast harness to which a lightweight time-delayed miniature camera could be attached. Neubronner's German patent application was initially rejected, but was granted in December 1908 after he produced authenticated photographs taken by his pigeons. He publicized the technique at the 1909 Dresden International Photographic Exhibition, and sold some images as postcards at the Frankfurt International Aviation Exhibition and at the 1910 and 1911 Paris Air Shows. (Full article...)
  • Image 2 Skull of Palaeopropithecus maximus, an extinct species of sloth lemur Subfossil lemurs are lemurs from Madagascar that are represented by recent (subfossil) remains dating from nearly 26,000 years ago to approximately 560 years ago (from the late Pleistocene until the Holocene). They include both extant and extinct species, although the term more frequently refers to the extinct giant lemurs. The diversity of subfossil lemur communities was greater than that of present-day lemur communities, ranging to as high as 20 or more species per location, compared with 10 to 12 species today. Extinct species are estimated to have ranged in size from slightly over 10 kg (22 lb) to roughly 160 kg (350 lb). Even the subfossil remains of living species are larger and more robust than the skeletal remains of modern specimens. The subfossil sites found around most of the island demonstrate that most giant lemurs had wide distributions and that ranges of living species have contracted significantly since the arrival of humans. (Full article...)
    Skull of Palaeopropithecus maximus, an extinct species of sloth lemur


    Subfossil lemurs are lemurs from Madagascar that are represented by recent (subfossil) remains dating from nearly 26,000 years ago to approximately 560 years ago (from the late Pleistocene until the Holocene). They include both extant and extinct species, although the term more frequently refers to the extinct giant lemurs. The diversity of subfossil lemur communities was greater than that of present-day lemur communities, ranging to as high as 20 or more species per location, compared with 10 to 12 species today. Extinct species are estimated to have ranged in size from slightly over 10 kg (22 lb) to roughly 160 kg (350 lb). Even the subfossil remains of living species are larger and more robust than the skeletal remains of modern specimens. The subfossil sites found around most of the island demonstrate that most giant lemurs had wide distributions and that ranges of living species have contracted significantly since the arrival of humans. (Full article...)
  • Image 3 The ring-tailed lemur was one of the first lemurs to be classified, by Carl Linnaeus in 1758. Lemurs were first classified in 1758 by Carl Linnaeus, and the taxonomy remains controversial today, with approximately 70 to 100 species and subspecies recognized, depending on how the term "species" is defined. Having undergone their own independent evolution on Madagascar, lemurs have diversified to fill many ecological niches normally filled by other types of mammals. They include the smallest primates in the world, and once included some of the largest. Since the arrival of humans approximately 2,000 years ago, lemurs have become restricted to 10% of the island, or approximately 60,000 square kilometers (23,000 sq mi), and many face extinction. Concerns over lemur conservation have affected lemur taxonomy, since distinct species receive increased conservation attention compared to subspecies. (Full article...)
    An old drawing of a ring-tailed lemur seated eating fruit, along with a profile view of the head and body
    The ring-tailed lemur was one of the first lemurs to be classified, by Carl Linnaeus in 1758.

    Lemurs were first classified in 1758 by Carl Linnaeus, and the taxonomy remains controversial today, with approximately 70 to 100 species and subspecies recognized, depending on how the term "species" is defined. Having undergone their own independent evolution on Madagascar, lemurs have diversified to fill many ecological niches normally filled by other types of mammals. They include the smallest primates in the world, and once included some of the largest. Since the arrival of humans approximately 2,000 years ago, lemurs have become restricted to 10% of the island, or approximately 60,000 square kilometers (23,000 sq mi), and many face extinction. Concerns over lemur conservation have affected lemur taxonomy, since distinct species receive increased conservation attention compared to subspecies. (Full article...)
  • Image 4 A Sandwich tern, a common tern and a roseate tern together, Northumberland, UK Terns are seabirds in the family Laridae, subfamily Sterninae, that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated in eleven genera in a subgroup of the family Laridae, which also includes several genera of gulls and the skimmers (Rynchops). They are slender, lightly built birds with long, forked tails, narrow wings, long bills, and relatively short legs. Most species are pale grey above and white below with a contrasting black cap to the head, but the marsh terns, the black-bellied tern, the Inca tern, and some noddies have dark body plumage for at least part of the year. The sexes are identical in appearance, but young birds are readily distinguishable from adults. Terns have a non-breeding plumage, which usually involves a white forehead and much-reduced black cap. (Full article...)

    A Sandwich tern, a common tern and a roseate tern together, Northumberland, UK

    Terns are seabirds in the family Laridae, subfamily Sterninae, that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated in eleven genera in a subgroup of the family Laridae, which also includes several genera of gulls and the skimmers (Rynchops). They are slender, lightly built birds with long, forked tails, narrow wings, long bills, and relatively short legs. Most species are pale grey above and white below with a contrasting black cap to the head, but the marsh terns, the black-bellied tern, the Inca tern, and some noddies have dark body plumage for at least part of the year. The sexes are identical in appearance, but young birds are readily distinguishable from adults. Terns have a non-breeding plumage, which usually involves a white forehead and much-reduced black cap. (Full article...)
  • Image 5 Palatal aspect of the skull from the type specimen The sea mink (Neogale macrodon) is a recently extinct species of mink that lived on the eastern coast of North America around the Gulf of Maine on the New England seaboard. It was most closely related to the American mink (Neogale vison), with continuing debate about whether or not the sea mink should be considered a subspecies of the American mink (as Neogale vison macrodon) or a species of its own. The main justification for a separate species designation is the size difference between the two minks, but other distinctions have been made, such as its redder fur. The only known remains are bone fragments unearthed in Native American shell middens. Its actual size is speculative, based largely on tooth remains. (Full article...)

    Palatal aspect of the skull from the type specimen

    The sea mink (Neogale macrodon) is a recently extinct species of mink that lived on the eastern coast of North America around the Gulf of Maine on the New England seaboard. It was most closely related to the American mink (Neogale vison), with continuing debate about whether or not the sea mink should be considered a subspecies of the American mink (as Neogale vison macrodon) or a species of its own. The main justification for a separate species designation is the size difference between the two minks, but other distinctions have been made, such as its redder fur. The only known remains are bone fragments unearthed in Native American shell middens. Its actual size is speculative, based largely on tooth remains. (Full article...)
  • Image 6 Male The scarlet myzomela or scarlet honeyeater (Myzomela sanguinolenta) is a small passerine bird of the honeyeater family Meliphagidae native to Australia. It was first described by English ornithologist John Latham in 1801. At 9 to 11 cm (3.5 to 4.3 in) long, it is the smallest honeyeater in Australia. It has a short tail and relatively long down-curved bill. It is sexually dimorphic; the male is a striking bright red with black wings, while the female is entirely brown. The species is more vocal than most honeyeaters, and a variety of calls have been recorded, including a bell-like tinkling. (Full article...)

    Male

    The scarlet myzomela or scarlet honeyeater (Myzomela sanguinolenta) is a small passerine bird of the honeyeater family Meliphagidae native to Australia. It was first described by English ornithologist John Latham in 1801. At 9 to 11 cm (3.5 to 4.3 in) long, it is the smallest honeyeater in Australia. It has a short tail and relatively long down-curved bill. It is sexually dimorphic; the male is a striking bright red with black wings, while the female is entirely brown. The species is more vocal than most honeyeaters, and a variety of calls have been recorded, including a bell-like tinkling. (Full article...)
  • Image 7 Tucana (The Toucan) is a constellation in the southern sky, named after the toucan, a South American bird. It is one of twelve constellations conceived in the late sixteenth century by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. Tucana first appeared on a 35-centimetre-diameter (14 in) celestial globe published in 1598 in Amsterdam by Plancius and Jodocus Hondius and was depicted in Johann Bayer's star atlas Uranometria of 1603. French explorer and astronomer Nicolas Louis de Lacaille gave its stars Bayer designations in 1756. The constellations Tucana, Grus, Phoenix and Pavo are collectively known as the "Southern Birds". (Full article...)
    Tucana (The Toucan) is a constellation in the southern sky, named after the toucan, a South American bird. It is one of twelve constellations conceived in the late sixteenth century by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. Tucana first appeared on a 35-centimetre-diameter (14 in) celestial globe published in 1598 in Amsterdam by Plancius and Jodocus Hondius and was depicted in Johann Bayer's star atlas Uranometria of 1603. French explorer and astronomer Nicolas Louis de Lacaille gave its stars Bayer designations in 1756. The constellations Tucana, Grus, Phoenix and Pavo are collectively known as the "Southern Birds". (Full article...)
  • Image 8 Amanita bisporigera is a deadly poisonous species of fungus in the family Amanitaceae. It is commonly known as the eastern destroying angel amanita, the eastern North American destroying angel or just as the destroying angel, although the fungus shares this latter name with three other lethal white Amanita species, A. ocreata, A. verna and A. virosa. The mushroom has a smooth white cap that can reach up to 10 centimetres (4 inches) across and a stipe up to 14 cm (5+1⁄2 in) tall with a white skirt-like ring near the top. The bulbous stipe base is covered with a membranous sac-like volva. The white gills are free from attachment to the stalk and crowded closely together. As the species name suggests, A. bisporigera typically bears two spores on the basidia, although this characteristic is not immutable. A. bisporigera closely resembles a few other white amanitas, including the equally deadly A. virosa and A. verna. (Full article...)

    Amanita bisporigera is a deadly poisonous species of fungus in the family Amanitaceae. It is commonly known as the eastern destroying angel amanita, the eastern North American destroying angel or just as the destroying angel, although the fungus shares this latter name with three other lethal white Amanita species, A. ocreata, A. verna and A. virosa. The mushroom has a smooth white cap that can reach up to 10 centimetres (4 inches) across and a stipe up to 14 cm (5+1⁄2 in) tall with a white skirt-like ring near the top. The bulbous stipe base is covered with a membranous sac-like volva. The white gills are free from attachment to the stalk and crowded closely together. As the species name suggests, A. bisporigera typically bears two spores on the basidia, although this characteristic is not immutable. A. bisporigera closely resembles a few other white amanitas, including the equally deadly A. virosa and A. verna. (Full article...)
  • Image 9 Skull of Triaenops menamena Triaenops menamena is a bat in the genus Triaenops found on Madagascar, mainly in the drier regions. It was known as Triaenops rufus until 2009, when it was discovered that that name had been incorrectly applied to the species. Triaenops rufus is a synonym of Triaenops persicus, a Middle Eastern species closely related to T. menamena— the Malagasy species had previously been placed as a subspecies of T. persicus by some authors. Triaenops menamena is mostly found in forests, but also occurs in other habitats. It often roosts in large colonies and eats insects such as butterflies and moths. Because of its wide range, common occurrence, and tolerance of habitat degradation, it is not considered to be threatened. (Full article...)

    Skull of Triaenops menamena

    Triaenops menamena is a bat in the genus Triaenops found on Madagascar, mainly in the drier regions. It was known as Triaenops rufus until 2009, when it was discovered that that name had been incorrectly applied to the species. Triaenops rufus is a synonym of Triaenops persicus, a Middle Eastern species closely related to T. menamena— the Malagasy species had previously been placed as a subspecies of T. persicus by some authors. Triaenops menamena is mostly found in forests, but also occurs in other habitats. It often roosts in large colonies and eats insects such as butterflies and moths. Because of its wide range, common occurrence, and tolerance of habitat degradation, it is not considered to be threatened. (Full article...)
  • Image 10 A drawing by Ángel Cabrera, showing a ventral view of the entire animal, with one wing folded and the other spread; a lateral view of the head; and a view of the inner side of the ear Escalera's bat (Myotis escalerai) is a European bat in the genus Myotis, found in Spain (including the Balearic Islands), Portugal, and far southern France. (Full article...)

    A drawing by Ángel Cabrera, showing a ventral view of the entire animal, with one wing folded and the other spread; a lateral view of the head; and a view of the inner side of the ear

    Escalera's bat (Myotis escalerai) is a European bat in the genus Myotis, found in Spain (including the Balearic Islands), Portugal, and far southern France. (Full article...)
  • Image 11 Front panels of the shrine The Corp Naomh ([kɔɾˠpˠ n̪ˠiːvˠ], KORP NEEV, English: Holy or Sacred Body) is an Irish bell shrine made in the 9th or 10th century to enclose a now-lost hand-bell, which probably dated to c. 600 to 900 AD and belonged to an early Irish saint. The shrine was rediscovered sometime before 1682 at Tristernagh Abbey, near Templecross, County Westmeath. The shrine is 23 cm (9.1 in) high and 12 cm (4.7 in) wide. It was heavily refurbished and added to during a second phase of embellishment in the 15th century, and now consists of cast and sheet bronze plates mounted on a wooden core decorated with silver, niello and rock crystal. It is severely damaged with extensive losses and wear across almost all of its parts, and when discovered a block of wood had been substituted for the bell itself. The remaining elements are considered of high historical and artistic value by archaeologists and art historians. (Full article...)

    Front panels of the shrine

    The Corp Naomh ([kɔɾˠpˠ n̪ˠiːvˠ], KORP NEEV, English: Holy or Sacred Body) is an Irish bell shrine made in the 9th or 10th century to enclose a now-lost hand-bell, which probably dated to c. 600 to 900 AD and belonged to an early Irish saint. The shrine was rediscovered sometime before 1682 at Tristernagh Abbey, near Templecross, County Westmeath. The shrine is 23 cm (9.1 in) high and 12 cm (4.7 in) wide. It was heavily refurbished and added to during a second phase of embellishment in the 15th century, and now consists of cast and sheet bronze plates mounted on a wooden core decorated with silver, niello and rock crystal. It is severely damaged with extensive losses and wear across almost all of its parts, and when discovered a block of wood had been substituted for the bell itself. The remaining elements are considered of high historical and artistic value by archaeologists and art historians. (Full article...)
  • Image 12 Male breeding plumage of Q. q. lathamii The red-billed quelea (/ˈkwiːliə/; Quelea quelea), also known as the red-billed weaver or red-billed dioch, is a small—approximately 12 cm (4.7 in) long and weighing 15–26 g (0.53–0.92 oz)—migratory, sparrow-like bird of the weaver family, Ploceidae, native to Sub-Saharan Africa. (Full article...)

    Male breeding plumage of Q. q. lathamii

    The red-billed quelea (/ˈkwiːliə/; Quelea quelea), also known as the red-billed weaver or red-billed dioch, is a small—approximately 12 cm (4.7 in) long and weighing 15–26 g (0.53–0.92 oz)—migratory, sparrow-like bird of the weaver family, Ploceidae, native to Sub-Saharan Africa. (Full article...)
  • Image 13 In Piacenza, Italy Amanita phalloides (/æməˈnaɪtə fəˈlɔɪdiːz/), commonly known as the death cap, is a deadly poisonous basidiomycete fungus and mushroom, one of many in the genus Amanita. Originating in Europe but later introduced to other parts of the world since the late twentieth century, A. phalloides forms ectomycorrhizas with various broadleaved trees. In some cases, the death cap has been introduced to new regions with the cultivation of non-native species of oak, chestnut, and pine. The large fruiting bodies (mushrooms) appear in summer and autumn; the caps are generally greenish in colour with a white stipe and gills. The cap colour is variable, including white forms, and is thus not a reliable identifier. (Full article...)

    In Piacenza, Italy

    Amanita phalloides (/æməˈnaɪtə fəˈlɔɪdiːz/), commonly known as the death cap, is a deadly poisonous basidiomycete fungus and mushroom, one of many in the genus Amanita. Originating in Europe but later introduced to other parts of the world since the late twentieth century, A. phalloides forms ectomycorrhizas with various broadleaved trees. In some cases, the death cap has been introduced to new regions with the cultivation of non-native species of oak, chestnut, and pine. The large fruiting bodies (mushrooms) appear in summer and autumn; the caps are generally greenish in colour with a white stipe and gills. The cap colour is variable, including white forms, and is thus not a reliable identifier. (Full article...)
  • Image 14 Technetium is a chemical element; it has symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive. Technetium and promethium are the only radioactive elements whose neighbours in the sense of atomic number are both stable. All available technetium is produced as a synthetic element. Naturally occurring technetium is a spontaneous fission product in uranium ore and thorium ore (the most common source), or the product of neutron capture in molybdenum ores. This silvery gray, crystalline transition metal lies between manganese and rhenium in group 7 of the periodic table, and its chemical properties are intermediate between those of both adjacent elements. The most common naturally occurring isotope is 99Tc, in traces only. (Full article...)
    Technetium is a chemical element; it has symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive. Technetium and promethium are the only radioactive elements whose neighbours in the sense of atomic number are both stable. All available technetium is produced as a synthetic element. Naturally occurring technetium is a spontaneous fission product in uranium ore and thorium ore (the most common source), or the product of neutron capture in molybdenum ores. This silvery gray, crystalline transition metal lies between manganese and rhenium in group 7 of the periodic table, and its chemical properties are intermediate between those of both adjacent elements. The most common naturally occurring isotope is 99Tc, in traces only. (Full article...)
  • Image 15 Herbert James Maryon OBE FSA FIIC (9 March 1874 – 14 July 1965) was an English sculptor, conservator, goldsmith, archaeologist and authority on ancient metalwork. Maryon practiced and taught sculpture until retiring in 1939, then worked as a conservator with the British Museum from 1944 to 1961. He is best known for his work on the Sutton Hoo ship-burial, which led to his appointment as an Officer of the Order of the British Empire. (Full article...)

    Herbert James Maryon OBE FSA FIIC (9 March 1874 – 14 July 1965) was an English sculptor, conservator, goldsmith, archaeologist and authority on ancient metalwork. Maryon practiced and taught sculpture until retiring in 1939, then worked as a conservator with the British Museum from 1944 to 1961. He is best known for his work on the Sutton Hoo ship-burial, which led to his appointment as an Officer of the Order of the British Empire. (Full article...)
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The Hubble Ultra-Deep Field image shows some of the most remote galaxies visible to present technology (diagonal is ~1/10 apparent Moon diameter)

The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments. Since the early 20th century, the field of cosmology establishes that space and time emerged together at the Big Bang 13.787±0.020 billion years ago and that the universe subsequently expanded. Today, the universe has expanded into an age and size that is only partially observable from Earth; while the spatial size of the entire universe is unknown, the smaller observable universe is approximately 93 billion light-years in diameter at present. (Full article...)

Did you know...

Did you know it about Science?
  • ... that an investigation found that most Mexican nutrition science students could not interpret a nutritional front-of-package labeling system correctly?
  • ... that some of the optics for the James Webb Space Telescope were made at the NETPark science park in northern England?
  • ... that the Data Colada bloggers drew attention to the replication crisis by exposing faulty social science research?
  • ... that the psychological inner space genre was a rebellion against the traditional focus of science fiction on literal outer space?
  • ... that the best novel of American science fiction author Garrett Smith did not appear as a stand-alone book until over 60 years after his death?
  • ... that Australian Madeleine Steere played water polo professionally in Turkey after studying biomolecular science in the United States?

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For editor resources and to collaborate with other editors on improving Wikipedia's Science-related articles, visit WikiProject Science.
Science things you can do
Many naturally occurring phenomena approximate a normal distribution.
Many naturally occurring phenomena approximate a normal distribution.
  • Integrate relatively new scientific knowledge and findings (major studies reported on by RS) into relevant articles
  • Expand 2024 in science and/or other articles for science-related topics of the year (in the box on the right)
    • Create new articles for items of this article, mostly articles relating to new scientific fields/topics/findings (the page does not use redlinks anymore but you will quickly identify possible new articles when reading it; here you can find a version with over 60 redlinked examples)
    • Some of the lists' items have not yet been integrated into their wikilinked articles; if you add a study there it should also be relevant to at least one other article
    • Maybe this could be done as part of an organized effort
  • Find[how?] studies published under a compatible open license (like CC BY 4.0) and upload the studies' images with descriptions from the study and add these images to articles if they are relevant and useful there
    • When a study with a useful image is published under an incompatible or unclear license (or the image is published not in a study but elsewhere), you could contact its authors (Twitter/Mail) and ask them to give you the permission to upload them under CC BY 4.0 (or whether they could upload the image/s under a compatible license)
    • You can also think about whether images would be useful as you read a science-related article and then search for such images:
      • if they already exist add them (if already on WMCommons) or upload them (if the license is ok) or ask their authors for permissions
      • if they don't, you could create (or request) them

Science News

Further information: 2024 in science
5 November 2024 –
Researchers at Kyoto University in Japan launch LignoSat, the world's first wooden satellite constructed without screws or glue, into space. It will orbit Earth for six months. (DW)
10 October 2024 –
In its annual Living Planet report, the World Wildlife Fund estimates that wild populations of animal species have decreased over 70% since 1970, with some high-biodiversity areas seeing up to 95% declines. (DW)
10 October 2024 – Tomb of Christopher Columbus
Researchers from the University of Granada confirm that bones lying in the Seville Cathedral in Seville, Andalusia, Spain, belonged to Christopher Columbus. (ABC Spain)
9 October 2024 – Nobel Prize in Chemistry
This year's Nobel Prize in Chemistry is jointly awarded to British computer scientist Demis Hassabis and American chemist John M. Jumper for their work on protein structure prediction, and to American biochemist and computational biologist David Baker for his work on computational protein design. (The New York Times) (Nobel Prize)
8 October 2024 – Nobel Prize in Physics
American physicist John Hopfield and British-Canadian computer scientist Geoffrey Hinton are awarded this year's Nobel Prize in Physics "for foundational discoveries and inventions that enable machine learning with artificial neural networks". (The Guardian)
24 September 2024 –
Scientists from the University of Waterloo announce that they have positively identified bones found on King William Island in Nunavut, Canada, as those of James Fitzjames, captain of HMS Erebus during Franklin's lost expedition. (CBC News)

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