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97-419: (Redirected from Hush Sound ) Hush sound may refer to: Shh, a sound requesting silence The Hush Sound , an American indie pop band Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Hush sound . If an internal link led you here, you may wish to change the link to point directly to

194-451: A genealogical branching of a single evolutionary tree , in which "It is absurd to talk of one animal being higher than another", thereby discarding Lamarck's idea of independent lineages progressing to higher forms. While developing this intensive study of transmutation, Darwin became mired in more work. Still rewriting his Journal , he took on editing and publishing the expert reports on his collections, and with Henslow's help obtained

291-555: A 230-page "Essay", to be expanded with his research results if he died prematurely. In November, the anonymously published sensational best-seller Vestiges of the Natural History of Creation brought wide interest in transmutation. Darwin scorned its amateurish geology and zoology, but carefully reviewed his own arguments. Controversy erupted, and it continued to sell well despite contemptuous dismissal by scientists. Darwin completed his third geological book in 1846. He now renewed

388-827: A Bachelor of Arts degree as the first step towards becoming an Anglican country parson . Darwin was unqualified for Cambridge's Tripos exams and was required instead to join the ordinary degree course. He preferred riding and shooting to studying. During the first few months of Darwin's enrolment at Christ's College, his second cousin William Darwin Fox was still studying there. Fox impressed him with his butterfly collection, introducing Darwin to entomology and influencing him to pursue beetle collecting. He did this zealously and had some of his finds published in James Francis Stephens ' Illustrations of British entomology (1829–1932). Through Fox, Darwin became

485-660: A Treasury grant of £1,000 to sponsor this multi-volume Zoology of the Voyage of H.M.S. Beagle , a sum equivalent to about £115,000 in 2021. He stretched the funding to include his planned books on geology, and agreed to unrealistic dates with the publisher. As the Victorian era began, Darwin pressed on with writing his Journal , and in August 1837 began correcting printer's proofs . As Darwin worked under pressure, his health suffered. On 20 September, he had "an uncomfortable palpitation of

582-579: A beginning to each crop of species". Darwin's book The Structure and Distribution of Coral Reefs on his theory of atoll formation was published in May 1842 after more than three years of work, and he then wrote his first "pencil sketch" of his theory of natural selection. To escape the pressures of London, the family moved to rural Down House in Kent in September. On 11 January 1844, Darwin mentioned his theorising to

679-542: A book on geology. When they reached Brazil, Darwin was delighted by the tropical forest , but detested the sight of slavery there , and disputed this issue with FitzRoy. The survey continued to the south in Patagonia . They stopped at Bahía Blanca , and in cliffs near Punta Alta Darwin made a major find of fossil bones of huge extinct mammals beside modern seashells, indicating recent extinction with no signs of change in climate or catastrophe. He found bony plates like

776-709: A break and went "geologising" in Scotland. He visited Glen Roy in glorious weather to see the parallel "roads" cut into the hillsides at three heights. He later published his view that these were marine-raised beaches, but then had to accept that they were shorelines of a proglacial lake . Fully recuperated, he returned to Shrewsbury in July 1838. Used to jotting down daily notes on animal breeding, he scrawled rambling thoughts about marriage, career and prospects on two scraps of paper, one with columns headed "Marry" and "Not Marry" . Advantages under "Marry" included "constant companion and

873-465: A calm spell. On their first stop ashore at St Jago in Cape Verde, Darwin found that a white band high in the volcanic rock cliffs included seashells. FitzRoy had given him the first volume of Charles Lyell 's Principles of Geology , which set out uniformitarian concepts of land slowly rising or falling over immense periods, and Darwin saw things Lyell's way, theorising and thinking of writing

970-557: A close friend and follower of botany professor John Stevens Henslow . He met other leading parson-naturalists who saw scientific work as religious natural theology , becoming known to these dons as "the man who walks with Henslow". When his own exams drew near, Darwin applied himself to his studies and was delighted by the language and logic of William Paley 's Evidences of Christianity (1795). In his final examination in January 1831, Darwin did well, coming tenth out of 178 candidates for

1067-412: A copy of his journal for his family. He had some expertise in geology, beetle collecting and dissecting marine invertebrates, but in all other areas, was a novice and ably collected specimens for expert appraisal. Despite suffering badly from seasickness, Darwin wrote copious notes while on board the ship. Most of his zoology notes are about marine invertebrates, starting with plankton collected during

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1164-596: A fascination and expertise in marine invertebrates, dating back to his student days with Grant, by dissecting and classifying the barnacles he had collected on the voyage, enjoying observing beautiful structures and thinking about comparisons with allied structures. In 1847, Hooker read the "Essay" and sent notes that provided Darwin with the calm critical feedback that he needed, but would not commit himself and questioned Darwin's opposition to continuing acts of creation . In an attempt to improve his chronic ill health, Darwin went in 1849 to Dr. James Gully 's Malvern spa and

1261-518: A fortnight mapping strata in Wales. After leaving Sedgwick in Wales, Darwin spent a few days with student friends at Barmouth . He returned home on 29 August to find a letter from Henslow proposing him as a suitable (if unfinished) naturalist for a self-funded supernumerary place on HMS  Beagle with captain Robert FitzRoy , a position for a gentleman rather than "a mere collector". The ship

1358-542: A fraction of a second. In the spirited and energetic finale of his Symphony No. 2 , Brahms uses silences at several points to powerfully disrupt the rhythmic momentum that has been building. (See also syncopation .) During the 20th century, composers explored further the expressive potential of silence in their music. The contemplative concluding bars of Anton Webern's Symphony (1928) and Stravinsky 's Les Noces The Wedding, 1923) make telling and atmospheric use of pauses. Eric Walter White (1947, p. 74) describes

1455-518: A freed black slave who had accompanied Charles Waterton in the South American rainforest . In Darwin's second year at the university, he joined the Plinian Society , a student natural-history group featuring lively debates in which radical democratic students with materialistic views challenged orthodox religious concepts of science. He assisted Robert Edmond Grant 's investigations of

1552-469: A friend in old age ... better than a dog anyhow", against points such as "less money for books" and "terrible loss of time". Having decided in favour of marriage, he discussed it with his father, then went to visit his cousin Emma on 29 July. At this time he did not get around to proposing, but against his father's advice, he mentioned his ideas on transmutation. He married Emma on 29 January 1839 and they were

1649-518: A giant capybara . The armour fragments were actually from Glyptodon , a huge armadillo-like creature, as Darwin had initially thought. These extinct creatures were related to living species in South America. In mid-December, Darwin took lodgings in Cambridge to arrange expert classification of his collections, and prepare his own research for publication. Questions of how to combine his diary into

1746-556: A giant version of the armour on local armadillos . From a jaw and tooth he identified the gigantic Megatherium , then from Cuvier's description thought the armour was from this animal. The finds were shipped to England, and scientists found the fossils of great interest. In Patagonia, Darwin came to wrongly believe the territory was devoid of reptiles. On rides with gauchos into the interior to explore geology and collect more fossils, Darwin gained social, political and anthropological insights into both native and colonial people at

1843-500: A great name among the Naturalists of Europe". On 2 October 1836, Beagle anchored at Falmouth , Cornwall. Darwin promptly made the long coach journey to Shrewsbury to visit his home and see relatives. He then hurried to Cambridge to see Henslow, who advised him on finding available naturalists to catalogue Darwin's animal collections and to take on the botanical specimens. Darwin's father organised investments, enabling his son to be

1940-410: A majority of the educated public had accepted evolution as a fact . However, many initially favoured competing explanations that gave only a minor role to natural selection, and it was not until the emergence of the modern evolutionary synthesis from the 1930s to the 1950s that a broad consensus developed in which natural selection was the basic mechanism of evolution. Darwin's scientific discovery

2037-614: A poetic fantasy of gradual creation including undeveloped ideas anticipating concepts his grandson expanded. Both families were largely Unitarian , though the Wedgwoods were adopting Anglicanism . Robert Darwin, a freethinker , had baby Charles baptised in November 1809 in the Anglican St Chad's Church, Shrewsbury , but Charles and his siblings attended the local Unitarian Church with their mother. The eight-year-old Charles already had

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2134-476: A powerful sense of propulsion: "The rhythm of bar 1 is incomplete and demands a note at the beginning of bar 2. The substitution of such a note by a whole-bar rest therefore gives the effect of a suppressed sound, as if one were about to speak but then refrains at the last moment. The 'suppressed sound' is then repeated in bar 4, and 'developed' (by being doubled) in bars 7 and 8." Grove (1898 , p. 355) harvtxt error: no target: CITEREFGrove1898 ( help ) writes of

2231-595: A process he called natural selection , in which the struggle for existence has a similar effect to the artificial selection involved in selective breeding . Darwin has been described as one of the most influential figures in human history and was honoured by burial in Westminster Abbey . Darwin's early interest in nature led him to neglect his medical education at the University of Edinburgh ; instead, he helped to investigate marine invertebrates . His studies at

2328-532: A programmer of laws. Darwin stayed with his freethinking brother Erasmus, part of this Whig circle and a close friend of the writer Harriet Martineau , who promoted the Malthusianism that underpinned the controversial Whig Poor Law reforms to stop welfare from causing overpopulation and more poverty. As a Unitarian, she welcomed the radical implications of transmutation of species , promoted by Grant and younger surgeons influenced by Geoffroy . Transmutation

2425-587: A sand beach. He theorised that as the land rose, oceanic islands sank, and coral reefs round them grew to form atolls . On the geologically new Galápagos Islands , Darwin looked for evidence attaching wildlife to an older "centre of creation", and found mockingbirds allied to those in Chile but differing from island to island. He heard that slight variations in the shape of tortoise shells showed which island they came from, but failed to collect them, even after eating tortoises taken on board as food. In Australia,

2522-506: A self-funded gentleman scientist , and an excited Darwin went around the London institutions being fêted and seeking experts to describe the collections. British zoologists at the time had a huge backlog of work, due to natural history collecting being encouraged throughout the British Empire, and there was a danger of specimens just being left in storage. Charles Lyell eagerly met Darwin for

2619-458: A sense of comfort from humming, whistling, talking to themselves, or having the TV or radio on. "Silence" in spirituality is often a metaphor for inner stillness. A silent mind, freed from the onslaught of thoughts and thought patterns, is both a goal and an important step in spiritual development. Such "inner silence" is not about the absence of sound; instead, it is understood to bring one in contact with

2716-719: A similarity between farmers picking the best stock in selective breeding, and a Malthusian Nature selecting from chance variants so that "every part of newly acquired structure is fully practical and perfected", thinking this comparison "a beautiful part of my theory". He later called his theory natural selection , an analogy with what he termed the "artificial selection" of selective breeding. On 11 November, he returned to Maer and proposed to Emma, once more telling her his ideas. She accepted, then in exchanges of loving letters she showed how she valued his openness in sharing their differences, while expressing her strong Unitarian beliefs and concerns that his honest doubts might separate them in

2813-478: A strong beat, contributing to the syncopation . Scott Joplin 's Rag-Time Dance (1902) features stop-time silences: Early recordings of the Rag Time Dance follow Joplin's instructions as follows: "To get the desired effect of 'Stop Time', the pianist will please stamp the heel of one foot heavily upon the floor." Later recordings disregard this direction – the regular beat is implied rather than stated and

2910-700: A taste for natural history and collecting when he joined the day school run by its preacher in 1817. That July, his mother died. From September 1818, he joined his older brother Erasmus in attending the nearby Anglican Shrewsbury School as a boarder . Darwin spent the summer of 1825 as an apprentice doctor, helping his father treat the poor of Shropshire, before going to the well-regarded University of Edinburgh Medical School with his brother Erasmus in October 1825. Darwin found lectures dull and surgery distressing, so he neglected his studies. He learned taxidermy in around 40 daily hour-long sessions from John Edmonstone ,

3007-479: A time for contemplation . The audience feels the effects of the previous notes and melodies, and can intentionally reflect on what they have heard. Silence does not hinder musical excellence but can enhance the sounds of instruments and vocals within a given musical composition . In his book Sound and Silence (1970), the composer John Paynter says, "the dramatic effect of silence has long been appreciated by composers." He gives as an example "the general pause in

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3104-468: A time of revolution, and learnt that two types of rhea had separate but overlapping territories. Further south, he saw stepped plains of shingle and seashells as raised beaches at a series of elevations. He read Lyell's second volume and accepted its view of "centres of creation" of species, but his discoveries and theorising challenged Lyell's ideas of smooth continuity and of extinction of species. Three Fuegians on board, who had been seized during

3201-403: Is an argument based on the assumption that someone's silence on a matter suggests (an informal fallacy ) that person's ignorance of the matter. In general, ex silentio refers to the claim that the absence of something demonstrates the proof of a proposition. The right to silence is a legal protection enjoyed by people undergoing police interrogation or trial in certain countries. The law

3298-478: Is an inevitable giggle—the same giggle that overtakes a prestidigitator 's audience when it realizes that it has been 'had'." Barry Cooper (2011, p. 38) writes extensively of Beethoven 's many uses of silence for contemplation, for dramatic effect and especially for driving the rhythmic impetus of the music. He cites the start of the second movement of the Ninth Symphony , where the silences contribute to

3395-813: Is either explicit or recognized in many legal systems. The documentary film In Pursuit of Silence (2016) portrays the spiritual and physical benefits of silence, as well as the price paid individually and collectively for a noisy world. It is narrated by authors Helen Lees ( Silence in Schools ), Pico Iyer ( The Art of Stillness ), Susan Cain ( Quiet ), Maggie Ross ( Silence: A User's Guide ), and George Prochnik ( In Pursuit of Silence ). Music inherently depends on silence, in some form or another, to distinguish other periods of sound and allow dynamics , melodies , and rhythms to have greater impact. For example, most music scores feature rests , which denote periods of silence. In addition, silence in music can be seen as

3492-471: Is known as a Malthusian catastrophe . Darwin was well-prepared to compare this to Augustin de Candolle 's "warring of the species" of plants and the struggle for existence among wildlife, explaining how numbers of a species kept roughly stable. As species always breed beyond available resources, favourable variations would make organisms better at surviving and passing the variations on to their offspring, while unfavourable variations would be lost. He wrote that

3589-660: Is something like being thrown forward when a car stops suddenly. It is the biggest surprise in an engaging piece of music full of little deviations ( syncopations ) from the repeated beat." Other examples include the closing bars of Louis Armstrong 's recording of Struttin' with Some Barbecue (1928) and the hair's-breadth pause at the end of pianist Bill Evans ' solo on Miles Davis ' recording of On Green Dolphin Street (1959). Duke Ellington 's "Madness in Great Ones", from his Shakespearean Suite Such Sweet Thunder (1957) conveys

3686-565: Is the unifying theory of the life sciences , explaining the diversity of life . Darwin was born in Shrewsbury , Shropshire, on 12 February 1809, at his family's home, The Mount . He was the fifth of six children of wealthy society doctor and financier Robert Darwin and Susannah Darwin (née Wedgwood). His grandfathers Erasmus Darwin and Josiah Wedgwood were both prominent abolitionists . Erasmus Darwin had praised general concepts of evolution and common descent in his Zoonomia (1794),

3783-524: The Hallelujah chorus in Handel 's Messiah : Musical silences may also convey humour. Haydn 's Quartet in E flat, Op. 33 was nicknamed "The Joke", because of the comic timing of the pauses at the end of the last movement: Taruskin (2010, p. 552) says, "whenever this ending is performed, it takes the audience an extra second or so to recover its wits and realize that the piece is indeed over. The result

3880-454: The Baháʼí Faith , Baha'u'llah said in "Words of Wisdom", "the essence of true safety is to observe silence". Eckhart Tolle says that silence can be seen either as the absence of noise, or as the space in which sound exists, just as inner stillness can be seen as the absence of thought, or the space in which thoughts are perceived. A common way to remember a tragic incident and to remember

3977-541: The Narrative were resolved at the end of the month when FitzRoy accepted Broderip's advice to make it a separate volume, and Darwin began work on his Journal and Remarks . Darwin's first paper showed that the South American landmass was slowly rising, and with Lyell's enthusiastic backing he read it to the Geological Society of London on 4 January 1837. On the same day, he presented his mammal and bird specimens to

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4074-596: The Royal Society 's Royal Medal, and it made his reputation as a biologist . Upon the conclusion of his research, Darwin declared "I hate a barnacle as no man ever did before." In 1854, he became a Fellow of the Linnean Society of London , gaining postal access to its library. He began a major reassessment of his theory of species, and in November realised that divergence in the character of descendants could be explained by them becoming adapted to "diversified places in

4171-410: The University of Cambridge 's Christ's College from 1828 to 1831 encouraged his passion for natural science . However, it was his five-year voyage on HMS  Beagle from 1831 to 1836 that truly established Darwin as an eminent geologist. The observations and theories he developed during his voyage supported Charles Lyell 's concept of gradual geological change . Publication of his journal of

4268-912: The Zoological Society . The ornithologist John Gould soon announced that the Galápagos birds that Darwin had thought a mixture of blackbirds , " gros-beaks " and finches , were, in fact, twelve separate species of finches . On 17 February, Darwin was elected to the Council of the Geological Society, and Lyell's presidential address presented Owen's findings on Darwin's fossils, stressing geographical continuity of species as supporting his uniformitarian ideas. Early in March, Darwin moved to London to be near this work, joining Lyell's social circle of scientists and experts such as Charles Babbage , who described God as

4365-516: The first Beagle voyage then given Christian education in England, were returning with a missionary. Darwin found them friendly and civilised, yet at Tierra del Fuego he met "miserable, degraded savages", as different as wild from domesticated animals. He remained convinced that, despite this diversity, all humans were interrelated with a shared origin and potential for improvement towards civilisation. Unlike his scientist friends, he now thought there

4462-509: The marsupial rat-kangaroo and the platypus seemed so unusual that Darwin thought it was almost as though two distinct Creators had been at work. He found the Aborigines "good-humoured & pleasant", their numbers depleted by European settlement. FitzRoy investigated how the atolls of the Cocos (Keeling) Islands had formed, and the survey supported Darwin's theorising. FitzRoy began writing

4559-585: The ordinary degree. Darwin had to stay at Cambridge until June 1831. He studied Paley's Natural Theology or Evidences of the Existence and Attributes of the Deity (first published in 1802), which made an argument for divine design in nature , explaining adaptation as God acting through laws of nature . He read John Herschel 's new book, Preliminary Discourse on the Study of Natural Philosophy (1831), which described

4656-596: The "final cause of all this wedging, must be to sort out proper structure, & adapt it to changes", so that "One may say there is a force like a hundred thousand wedges trying force into every kind of adapted structure into the gaps of in the economy of nature, or rather forming gaps by thrusting out weaker ones." This would result in the formation of new species. As he later wrote in his Autobiography : In October 1838, that is, fifteen months after I had begun my systematic enquiry, I happened to read for amusement Malthus on Population, and being well prepared to appreciate

4753-443: The "strange irregularity of rhythm in the sixth bar" of this movement. Robert Schumann 's song "Ich hab' im Traum geweinet" from his song cycle Dichterliebe uses silence to convey an almost gothic ambiance, suggesting the darkness of the grave where the dreaming poet imagines his lover has been placed: "I wept in my dreams, I dreamt you were lying in your grave." In his book advising pianists and singers about interpretation,

4850-605: The Emotions in Man and Animals (1872). His research on plants was published in a series of books, and in his final book, The Formation of Vegetable Mould, through the Actions of Worms (1881), he examined earthworms and their effect on soil. Darwin published his theory of evolution with compelling evidence in his 1859 book On the Origin of Species . By the 1870s, the scientific community and

4947-453: The afterlife. While he was house-hunting in London, bouts of illness continued and Emma wrote urging him to get some rest, almost prophetically remarking "So don't be ill any more my dear Charley till I can be with you to nurse you." He found what they called "Macaw Cottage" (because of its gaudy interiors) in Gower Street , then moved his "museum" in over Christmas. On 24 January 1839, Darwin

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5044-497: The anatomy and life cycle of marine invertebrates in the Firth of Forth , and on 27 March 1827 presented at the Plinian his own discovery that black spores found in oyster shells were the eggs of a skate leech . One day, Grant praised Lamarck 's evolutionary ideas . Darwin was astonished by Grant's audacity, but had recently read similar ideas in his grandfather Erasmus' journals. Darwin

5141-437: The botanist Joseph Dalton Hooker , writing with melodramatic humour "it is like confessing a murder". Hooker replied, "There may, in my opinion, have been a series of productions on different spots, & also a gradual change of species. I shall be delighted to hear how you think that this change may have taken place, as no presently conceived opinions satisfy me on the subject." By July, Darwin had expanded his "sketch" into

5238-425: The boundaries of prosodic units , in turn-taking , or as reactive tokens, for example, as a sign of displeasure, disagreement, embarrassment, desire to think, confusion, and the like. Relatively prolonged intervals of silence can be used in rituals ; in some religious disciplines, people maintain silence for protracted periods, or even for the rest of their lives, as an ascetic means of spiritual transformation. In

5335-498: The brasses blare, and out of the trombones' awesome processional grows a steady roar … the big gongs the tam-tam beaten in a long and powerful resonance, shattering and echoing across mountains and along valleys. This is music of the high hills, music for vast spaces: 'The hour is coming when the dead will hear the voice of the Son of God'. We can feel the awe and the majesty of the High Alps and

5432-512: The divine, the ultimate reality, or one's own true self, one's divine nature. Many religious traditions imply the importance of being quiet and still in mind and spirit for transformative and integral spiritual growth to occur. In Christianity, there is the silence of contemplative prayer such as centering prayer and Christian meditation ; in Islam, there are the wisdom writings of the Sufis who insist on

5529-538: The duties of Secretary of the Geological Society. After initially declining the work, he accepted the post in March 1838. Despite the grind of writing and editing the Beagle reports, Darwin made remarkable progress on transmutation, taking every opportunity to question expert naturalists and, unconventionally, people with practical experience in selective breeding such as farmers and pigeon fanciers . Over time, his research drew on information from his relatives and children,

5626-527: The ending of Les Noces as follows: "As the voices cease singing, pools of silence come flooding in between the measured strokes of the bell chord, and the music dies away in a miraculously fresh and radiant close." John Paynter (1970, p. 24) vividly conveys how silence contributes to the titanic impact of the third section of Messiaen 's orchestral work Et exspecto resurrectionem mortuorum (1964): Woodwinds jump, growl and shriek. Silence. Eight solemn bell strokes echo and die. Again silence. Suddenly

5723-713: The family butler, neighbours, colonists and former shipmates. He included mankind in his speculations from the outset, and on seeing an orangutan in the zoo on 28 March 1838 noted its childlike behaviour. The strain took a toll, and by June he was being laid up for days on end with stomach problems, headaches and heart symptoms. For the rest of his life, he was repeatedly incapacitated with episodes of stomach pains, vomiting, severe boils , palpitations, trembling and other symptoms, particularly during times of stress, such as attending meetings or making social visits. The cause of Darwin's illness remained unknown, and attempts at treatment had only ephemeral success. On 23 June, he took

5820-468: The feigned madness of Prince Hamlet through abrupt and unpredictable pauses that interrupt the flow of the music. The reggae band Black Slate had a hit in 1980 with the song Amigo . The instrumental introduction features sudden silences before the voice enters . Charles Darwin Charles Robert Darwin ( / ˈ d ɑːr w ɪ n / DAR -win ; 12 February 1809 – 19 April 1882)

5917-582: The first time on 29 October and soon introduced him to the up-and-coming anatomist Richard Owen , who had the facilities of the Royal College of Surgeons to work on the fossil bones collected by Darwin. Owen's surprising results included other gigantic extinct ground sloths as well as the Megatherium Darwin had identified, a near complete skeleton of the unknown Scelidotherium and a hippopotamus -sized rodent -like skull named Toxodon resembling

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6014-402: The great churches. The instrumental sounds are vast the silences are deep. The words of St John are alive in the music, and through these sounds Messiaen reveals himself and his vision. An extreme example from 1952 is 4′33″ , an experimental musical work by avant-garde composer John Cage , incorporating ambient sounds not foreseeable by the composer. Though first performed on the piano ,

6111-546: The group. Some social animal species communicate the signal of potential danger by stopping contact calls and freezing, without the use of alarm calls , through silence. Charles Darwin wrote about this in relation with wild horse and cattle. Jordania has further suggested that human humming could have been a contact method that early humans used to avoid silence. According to his suggestion, humans find prolonged silence distressing (suggesting danger to them). This may help explain why lone humans in relative sonic isolation feel

6208-575: The heart", so his doctors urged him to "knock off all work" and live in the country for a few weeks. After visiting Shrewsbury, he joined his Wedgwood relatives at Maer Hall , Staffordshire, but found them too eager for tales of his travels to give him much rest. His charming, intelligent, and cultured cousin Emma Wedgwood , nine months older than Darwin, was nursing his invalid aunt. His uncle Josiah pointed out an area of ground where cinders had disappeared under loam and suggested that this might have been

6305-472: The highest aim of natural philosophy as understanding such laws through inductive reasoning based on observation, and Alexander von Humboldt 's Personal Narrative of scientific travels in 1799–1804. Inspired with "a burning zeal" to contribute, Darwin planned to visit Tenerife with some classmates after graduation to study natural history in the tropics. In preparation, he joined Adam Sedgwick 's geology course, then on 4 August travelled with him to spend

6402-422: The importance of finding silence within. In Buddhism , the descriptions of silence and allowing the mind to become silent are implied as a feature of spiritual enlightenment . In Hinduism, including the teachings of Advaita Vedanta and the many paths of yoga, teachers insist on the importance of silence, Mauna , for inner growth. Ramana Maharishi , a revered Hindu sage, said, "The only language able to express

6499-523: The intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Hush_sound&oldid=905785725 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Silence Sometimes speakers fall silent when they hesitate in searching for a word, or interrupt themselves before correcting themselves. Discourse analysis shows that people use brief silences to mark

6596-453: The middle of the chorus 'Have lightnings and thunders …' in Bach 's St. Matthew Passion ": After the pause, the music continues to the words: "Open up the fiery bottomless pit, O hell!" The silence is intended to communicate a momentary sensation of terror, of staring into unfathomable darkness. Another example of a dramatic silence comes in the "rest full of tension" at the climactic ending of

6693-434: The most famous, surely the most commented-on, single phrase of music ever written." His strategic use of silences between phrases intensifies the troubled ambiguity of the music: "The chord that fills the ensuing silence in the listener's inner ear… is the unstated – indeed never to be stated, and ultimately needless to be stated – tonic of that key." Some of the most effective musical silences are very short, lasting barely

6790-433: The official Narrative of the Beagle voyages, and after reading Darwin's diary, he proposed incorporating it into the account. Darwin's Journal was eventually rewritten as a separate third volume, on geology and natural history. In Cape Town , South Africa, Darwin and FitzRoy met John Herschel, who had recently written to Lyell praising his uniformitarianism as opening bold speculation on "that mystery of mysteries,

6887-483: The origin of species". Without telling Darwin, extracts from his letters to Henslow had been read to scientific societies, printed as a pamphlet for private distribution among members of the Cambridge Philosophical Society , and reported in magazines, including The Athenaeum . Darwin first heard of this at Cape Town, and at Ascension Island read of Sedgwick's prediction that Darwin "will have

6984-517: The parents of ten children, seven of whom survived to adulthood. Continuing his research in London, Darwin's wide reading now included the sixth edition of Malthus 's An Essay on the Principle of Population . On 28 September 1838, he noted its assertion that human "population, when unchecked, goes on doubling itself every twenty-five years, or increases in a geometrical ratio", a geometric progression so that population soon exceeds food supply in what

7081-831: The philosophy of perception and the science of perception, there has been a longstanding controversy as to how humans experience silence: "the perceptual view (we literally hear silence), and the cognitive view (we only judge or infer silence)", with prominent theories holding the latter view. However, a study published in 2023 in the Proceedings of the National Academy of Sciences reported findings based on empirical experiments testing whether temporal distortions known to be experienced with respect to sounds, were also analogously experienced with respect to periods of silence. The experimental results in all cases suggested that, at least in this context, humans respond to moments of silence

7178-441: The pianist Gerald Moore stresses the need to fully observe the precisely notated rests , especially in the fourth bar above "where nothing is happening, that is to say nothing except a silence, a pregnant silence which, if shortened, dissipates the suffering it is intended to convey." Much has been said about the harmony of the opening to Wagner 's opera Tristan und Isolde , which Taruskin (2010, p. 540) calls "perhaps

7275-472: The piece was composed for any instrument or instruments and is structured in three movements . The length of each movement is not fixed by the composer, but the total length of the combination of three movements is. The score instructs the performer(s) to remain silent throughout the piece. There are telling examples of the use of silence in jazz . A frequently used effect, known as " stop-time ", places silences at moments where listeners or dancers might expect

7372-568: The possibility that "one species does change into another" to explain the geographical distribution of living species such as the rheas, and extinct ones such as the strange extinct mammal Macrauchenia , which resembled a giant guanaco , a llama relative. Around mid-July, he recorded in his "B" notebook his thoughts on lifespan and variation across generations – explaining the variations he had observed in Galápagos tortoises , mockingbirds, and rheas. He sketched branching descent, and then

7469-512: The replacement of extinct species by others" as "a natural in contradistinction to a miraculous process". When organising his notes as the ship sailed home, Darwin wrote that, if his growing suspicions about the mockingbirds, the tortoises and the Falkland Islands fox were correct, "such facts undermine the stability of Species", then cautiously added "would" before "undermine". He later wrote that such facts "seemed to me to throw some light on

7566-409: The rhetorician. Joseph Jordania has suggested that in social animals (including humans ), silence can be a sign of danger. Many social animals produce seemingly haphazard sounds which are known as contact calls . These are a mixture of various sounds, accompanying the group's everyday business (for example, foraging , feeding ), and they are used to maintain audio contact with the members of

7663-508: The same idea, prompting the immediate joint submission of both their theories to the Linnean Society of London . Darwin's work established evolutionary descent with modification as the dominant scientific explanation of natural diversification. In 1871, he examined human evolution and sexual selection in The Descent of Man, and Selection in Relation to Sex , followed by The Expression of

7760-435: The same way as to sounds—supporting the perceptual view that humans literally hear silence. Silence may become an effective rhetorical practice when people choose to be silent for a specific purpose. It has not merely been recognized as a theory but also as a phenomenon with practical advantages. When silence becomes rhetorical, it is intentional since it reflects a meaning. Rhetorical silence targets an audience rather than

7857-462: The silences are more palpable. Keith Swanwick (1979, p. 70) is enchanted by the "playfulness and humour" engendered by the stop-time effects in Jelly Roll Morton 's solo piano recording of The Crave (1939): "If we listen to this, tapping or clicking along with the beat, we shalt find ourselves surprised by two patches of silence near the end. The beat goes on but the sound stops. The effect

7954-408: The struggle for existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones to be destroyed. The result of this would be the formation of new species. Here, then, I had at last got a theory by which to work... By mid-December, Darwin saw

8051-409: The systematics of the taxa. He wrote his first examination of the species in 1846, but did not formally describe it until 1854. FitzRoy's long delayed Narrative was published in May 1839. Darwin's Journal and Remarks got good reviews as the third volume, and on 15 August it was published on its own. Early in 1842, Darwin wrote about his ideas to Charles Lyell, who noted that his ally "denies seeing

8148-447: The victims or casualties of such an event is a commemorative moment of silence . Argumentative silence is the rhetorical practice of saying nothing when an opponent in a debate expects something to be said. Poorly executed, it can be offensive, like refusing to answer a direct question. A well-timed silence can throw an opponent off and give the debater the upper hand. An argument from silence ( Latin : argumentum ex silentio )

8245-473: The voyage made Darwin famous as a popular author. Puzzled by the geographical distribution of wildlife and fossils he collected on the voyage, Darwin began detailed investigations and, in 1838, devised his theory of natural selection. Although he discussed his ideas with several naturalists, he needed time for extensive research, and his geological work had priority. He was writing up his theory in 1858 when Alfred Russel Wallace sent him an essay that described

8342-420: The voyage began on 27 December 1831; it lasted almost five years. As FitzRoy had intended, Darwin spent most of that time on land investigating geology and making natural history collections, while HMS Beagle surveyed and charted coasts. He kept careful notes of his observations and theoretical speculations, and at intervals during the voyage his specimens were sent to Cambridge together with letters including

8439-469: The whole truth is silence." Perkey Avot, the Jewish Sages guide for living, states that, "Tradition is a safety fence to Torah, tithing a safety fence to wealth, vows a safety fence for abstinence; a safety fence for wisdom ... is silence." In some traditions of Quakerism , communal silence is the usual context of worship meetings, in patient expectancy for the divine to speak in the heart and mind. In

8536-403: The work of earthworms , inspiring "a new & important theory" on their role in soil formation , which Darwin presented at the Geological Society on 1 November 1837. His Journal was printed and ready for publication by the end of February 1838, as was the first volume of the Narrative , but FitzRoy was still working hard to finish his own volume. William Whewell pushed Darwin to take on

8633-694: Was elected a Fellow of the Royal Society (FRS). On 29 January, Darwin and Emma Wedgwood were married at Maer in an Anglican ceremony arranged to suit the Unitarians, then immediately caught the train to London and their new home. Darwin now had the framework of his theory of natural selection "by which to work", as his "prime hobby". His research included extensive experimental selective breeding of plants and animals, finding evidence that species were not fixed and investigating many detailed ideas to refine and substantiate his theory. For fifteen years this work

8730-418: Was a " wren " was in the finch group . Darwin had not labelled the finches by island, but from the notes of others on the ship, including FitzRoy, he allocated species to islands. The two rheas were distinct species, and on 14 March Darwin announced how their distribution changed going southwards. By mid-March 1837, barely six months after his return to England, Darwin was speculating in his Red Notebook on

8827-426: Was an English naturalist , geologist , and biologist , widely known for his contributions to evolutionary biology . His proposition that all species of life have descended from a common ancestor is now generally accepted and considered a fundamental scientific concept. In a joint publication with Alfred Russel Wallace , he introduced his scientific theory that this branching pattern of evolution resulted from

8924-465: Was anathema to Anglicans defending social order, but reputable scientists openly discussed the subject, and there was wide interest in John Herschel's letter praising Lyell's approach as a way to find a natural cause of the origin of new species. Gould met Darwin and told him that the Galápagos mockingbirds from different islands were separate species, not just varieties, and what Darwin had thought

9021-425: Was in the background to his main occupation of writing on geology and publishing expert reports on the Beagle collections, in particular, the barnacles . The impetus of Darwin's barnacle research came from a collection of a barnacle colony from Chile in 1835, which he dubbed Mr. Arthrobalanus . His confusion over the relationship of this species ( Cryptophialus minutus ) to other barnacles caused him to fixate on

9118-500: Was no unbridgeable gap between humans and animals. A year on, the mission had been abandoned. The Fuegian they had named Jemmy Button lived like the other natives, had a wife, and had no wish to return to England. Darwin experienced an earthquake in Chile in 1835 and saw signs that the land had just been raised, including mussel -beds stranded above high tide. High in the Andes he saw seashells, and several fossil trees that had grown on

9215-565: Was rather bored by Robert Jameson 's natural-history course, which covered geology – including the debate between neptunism and plutonism . He learned the classification of plants and assisted with work on the collections of the University Museum , one of the largest museums in Europe at the time. Darwin's neglect of medical studies annoyed his father, who sent him to Christ's College, Cambridge , in January 1828, to study for

9312-574: Was surprised to find some benefit from hydrotherapy . Then, in 1851, his treasured daughter Annie fell ill, reawakening his fears that his illness might be hereditary. She died the same year after a long series of crises. In eight years of work on barnacles, Darwin's theory helped him to find " homologies " showing that slightly changed body parts served different functions to meet new conditions, and in some genera he found minute males parasitic on hermaphrodites , showing an intermediate stage in evolution of distinct sexes . In 1853, it earned him

9409-446: Was to leave in four weeks on an expedition to chart the coastline of South America. Robert Darwin objected to his son's planned two-year voyage, regarding it as a waste of time, but was persuaded by his brother-in-law, Josiah Wedgwood II , to agree to (and fund) his son's participation. Darwin took care to remain in a private capacity to retain control over his collection, intending it for a major scientific institution. After delays,

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