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78-537: Thermopylae ( / θ ər ˈ m ɒ p ɪ l iː / ; Ancient Greek and Katharevousa : Θερμοπύλαι , romanized :  Thermopylai ; Ancient: [tʰermopýlai] , Katharevousa: [θermoˈpile̞] ; Demotic Greek ( Greek ): Θερμοπύλες , romanized :  Thermopyles [θermoˈpiles] ; "hot gates") is a narrow pass and modern town in Lamia , Phthiotis , Greece . It derives its name from its hot sulphur springs . In Greek mythology

156-638: A pH as low as 0.8, to alkaline chloride springs saturated with silica , to bicarbonate springs saturated with carbon dioxide and carbonate minerals . Some springs also contain abundant dissolved iron. The minerals brought to the surface in hot springs often feed communities of extremophiles , microorganisms adapted to extreme conditions, and it is possible that life on Earth had its origin in hot springs. Humans have made use of hot springs for bathing, relaxation, or medical therapy for thousands of years. However, some are hot enough that immersion can be harmful, leading to scalding and, potentially, death. There

234-543: A pitch accent . In Modern Greek, all vowels and consonants are short. Many vowels and diphthongs once pronounced distinctly are pronounced as /i/ ( iotacism ). Some of the stops and glides in diphthongs have become fricatives , and the pitch accent has changed to a stress accent . Many of the changes took place in the Koine Greek period. The writing system of Modern Greek, however, does not reflect all pronunciation changes. The examples below represent Attic Greek in

312-438: A 3.48 billion year old geyserite that seemingly preserved fossilized microbial life, stromatolites, and biosignatures. Researchers propose pyrophosphite to have been used by early cellular life for energy storage and it might have been a precursor to pyrophosphate. Phosphites, which are present at hot springs, would have bonded together into pyrophosphite within hot springs through wet-dry cycling. Like alkaline hydrothermal vents,

390-401: A complex community of microorganisms that includes Spirulina , Calothrix , diatoms and other single-celled eukaryotes , and grazing insects and protozoans. As temperatures drop close to those of the surroundings, higher plants appear. Alkali chloride hot springs show a similar succession of communities of organisms, with various thermophilic bacteria and archaea in the hottest parts of

468-408: A form of opal (opal-A: SiO 2 ·nH 2 O ). This process is slow enough that geyserite is not all deposited immediately around the vent, but tends to build up a low, broad platform for some distance around the spring opening. Acid sulfate hot springs are fed by hydrothermal fluids rich in hydrogen sulfide ( H 2 S ), which is oxidized to form sulfuric acid , H 2 SO 4 . The pH of

546-474: A hot spring. However, even in areas that do not experience volcanic activity, the temperature of rocks within the earth increases with depth. The rate of temperature increase with depth is known as the geothermal gradient . If water percolates deeply enough into the crust, it will be heated as it comes into contact with hot rock. This generally takes place along faults , where shattered rock beds provide easy paths for water to circulate to greater depths. Much of

624-477: A lack of contemporaneous evidence. Several theories exist about what Hellenic dialect groups may have existed between the divergence of early Greek-like speech from the common Proto-Indo-European language and the Classical period. They have the same general outline but differ in some of the detail. The only attested dialect from this period is Mycenaean Greek , but its relationship to the historical dialects and

702-419: A lesser degree. Pamphylian Greek , spoken in a small area on the southwestern coast of Anatolia and little preserved in inscriptions, may be either a fifth major dialect group, or it is Mycenaean Greek overlaid by Doric, with a non-Greek native influence. Regarding the speech of the ancient Macedonians diverse theories have been put forward, but the epigraphic activity and the archaeological discoveries in

780-550: A prefix /e-/, called the augment . This was probably originally a separate word, meaning something like "then", added because tenses in PIE had primarily aspectual meaning. The augment is added to the indicative of the aorist, imperfect, and pluperfect, but not to any of the other forms of the aorist (no other forms of the imperfect and pluperfect exist). The two kinds of augment in Greek are syllabic and quantitative. The syllabic augment

858-424: A range of possible hot spring chemistries. Alkaline chloride hot springs are fed by hydrothermal fluids that form when groundwater containing dissolved chloride salts reacts with silicate rocks at high temperature. These springs have nearly neutral pH but are saturated with silica ( SiO 2 ). The solubility of silica depends strongly upon temperature, so upon cooling, the silica is deposited as geyserite ,

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936-419: A reference to the gates of Hades. Thermopylae is primarily known for the battle that took place there in 480 BC, in which an outnumbered Greek force probably of 7,000 (including 300 Spartans , 500 warriors from Tegea , 500 from Mantinea , 120 from Arcadian Orchomenos , 1,000 from the rest of Arcadia , 200 from Phlius , 80 from Mycenae , 400 Corinthians , 400 Thebans , 1,000 Phocians , 700 Thespians, and

1014-608: A separate historical stage, though its earliest form closely resembles Attic Greek , and its latest form approaches Medieval Greek . There were several regional dialects of Ancient Greek; Attic Greek developed into Koine. Ancient Greek was a pluricentric language , divided into many dialects. The main dialect groups are Attic and Ionic , Aeolic , Arcadocypriot , and Doric , many of them with several subdivisions. Some dialects are found in standardized literary forms in literature , while others are attested only in inscriptions. There are also several historical forms. Homeric Greek

1092-418: A slow process of thermal conduction , but in volcanic areas, the heat is carried to the surface more rapidly by bodies of magma. A hot spring that periodically jets water and steam is called a geyser . In active volcanic zones such as Yellowstone National Park , magma may be present at shallow depths. If a hot spring is connected to a large natural cistern close to such a magma body, the magma may superheat

1170-475: A source of energy. In contrast with " black smokers " (hydrothermal vents on the ocean floor), hot springs similar to terrestrial hydrothermal fields at Kamchatka produce fluids having suitable pH and temperature for early cells and biochemical reactions. Dissolved organic compounds were found in hot springs at Kamchatka . Metal sulfides and silica minerals in these environments would act as photocatalysts. They experience cycles of wetting and drying which promote

1248-473: A spring with water between 20 and 50 °C (68 and 122 °F). Water issuing from a hot spring is heated geothermally , that is, with heat produced from the Earth's mantle . This takes place in two ways. In areas of high volcanic activity, magma (molten rock) may be present at shallow depths in the Earth's crust . Groundwater is heated by these shallow magma bodies and rises to the surface to emerge at

1326-630: A standard subject of study in educational institutions of the Western world since the Renaissance . This article primarily contains information about the Epic and Classical periods of the language, which are the best-attested periods and considered most typical of Ancient Greek. From the Hellenistic period ( c.  300 BC ), Ancient Greek was followed by Koine Greek , which is regarded as

1404-417: A type of extremophile that thrives at high temperatures, between 45 and 80 °C (113 and 176 °F). Further from the vent, where the water has had time to cool and precipitate part of its mineral load, conditions favor organisms adapted to less extreme conditions. This produces a succession of microbial communities as one moves away from the vent, which in some respects resembles the successive stages in

1482-510: A vowel or /n s r/ ; final stops were lost, as in γάλα "milk", compared with γάλακτος "of milk" (genitive). Ancient Greek of the classical period also differed in both the inventory and distribution of original PIE phonemes due to numerous sound changes, notably the following: The pronunciation of Ancient Greek was very different from that of Modern Greek . Ancient Greek had long and short vowels ; many diphthongs ; double and single consonants; voiced, voiceless, and aspirated stops ; and

1560-570: Is a literary form of Archaic Greek (derived primarily from Ionic and Aeolic) used in the epic poems , the Iliad and the Odyssey , and in later poems by other authors. Homeric Greek had significant differences in grammar and pronunciation from Classical Attic and other Classical-era dialects. The origins, early form and development of the Hellenic language family are not well understood because of

1638-418: Is added to stems beginning with consonants, and simply prefixes e (stems beginning with r , however, add er ). The quantitative augment is added to stems beginning with vowels, and involves lengthening the vowel: Some verbs augment irregularly; the most common variation is e → ei . The irregularity can be explained diachronically by the loss of s between vowels, or that of the letter w , which affected

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1716-666: Is called 'East Greek'. Arcadocypriot apparently descended more closely from the Mycenaean Greek of the Bronze Age. Boeotian Greek had come under a strong Northwest Greek influence, and can in some respects be considered a transitional dialect, as exemplified in the poems of the Boeotian poet Pindar who wrote in Doric with a small Aeolic admixture. Thessalian likewise had come under Northwest Greek influence, though to

1794-448: Is considered by some linguists to have been closely related to Greek . Among Indo-European branches with living descendants, Greek is often argued to have the closest genetic ties with Armenian (see also Graeco-Armenian ) and Indo-Iranian languages (see Graeco-Aryan ). Ancient Greek differs from Proto-Indo-European (PIE) and other Indo-European languages in certain ways. In phonotactics , ancient Greek words could end only in

1872-479: Is covered with microbial mats 1 centimetre (0.39 in) thick that are dominated by cyanobacteria , such as Spirulina , Oscillatoria , and Synechococcus , and green sulfur bacteria such as Chloroflexus . These organisms are all capable of photosynthesis , though green sulfur bacteria produce sulfur rather than oxygen during photosynthesis. Still further from the vent, where temperatures drop below 45 °C (113 °F), conditions are favorable for

1950-410: Is no universally accepted definition of a hot spring. For example, one can find the phrase hot spring defined as The related term " warm spring " is defined as a spring with water temperature less than a hot spring by many sources, although Pentecost et al. (2003) suggest that the phrase "warm spring" is not useful and should be avoided. The US NOAA Geophysical Data Center defines a "warm spring" as

2028-556: Is often roughly divided into the following periods: Mycenaean Greek ( c.  1400–1200 BC ), Dark Ages ( c.  1200–800 BC ), the Archaic or Epic period ( c.  800–500 BC ), and the Classical period ( c.  500–300 BC ). Ancient Greek was the language of Homer and of fifth-century Athenian historians, playwrights, and philosophers . It has contributed many words to English vocabulary and has been

2106-759: The Greek region of Macedonia during the last decades has brought to light documents, among which the first texts written in Macedonian , such as the Pella curse tablet , as Hatzopoulos and other scholars note. Based on the conclusions drawn by several studies and findings such as Pella curse tablet , Emilio Crespo and other scholars suggest that ancient Macedonian was a Northwest Doric dialect , which shares isoglosses with its neighboring Thessalian dialects spoken in northeastern Thessaly . Some have also suggested an Aeolic Greek classification. The Lesbian dialect

2184-574: The Homeric Age of Greece (ca. 1000 BCE), baths were primarily for hygiene, but by the time of Hippocrates (ca. 460 BCE), hot springs were credited with healing power. The popularity of hot springs has fluctuated over the centuries since, but they are now popular around the world. Because of both the folklore and the claimed medical value attributed to some hot springs, they are often popular tourist destinations, and locations for rehabilitation clinics for those with disabilities . However,

2262-688: The Labours of Heracles , it was said that the waters at Thermopylae became hot because the divine hero Heracles tried to cleanse himself of the Hydra's poison there. The first known Amphictyony , a group of religiously associated ancient Greek tribes, was centered on the cult of Demeter at the city of Anthela , near Thermopylae. The delegates to this first Amphictyony were dubbed the Pylagorai ("gate-assemblers"); since Demeter had chthonic or underworld associations in many of her older cults, this may be

2340-486: The Opuntian Locrians ) held off a substantially larger force of Persians under Xerxes . Over 1,000 Greeks remained in the pass when most of the army retreated: the survivors from previous fighting of 300 Spartans and 700 Thespians, along with 400 Thebans whom the other Greeks forcibly held as hostages. Gaius Stern has argued that this force had already suffered casualties of over 100 in the previous fighting, so

2418-688: The Peloponnese . Diakos, after making a last stand at the bridge of Alamana with 48 of his men, was captured and killed. In 1941 during World War II the ANZAC forces delayed the invading Nazi forces in the area enough to allow the evacuation of the British expeditionary force to Crete . This conflict also became known as the Battle of Thermopylae. The sabotage of the Gorgopotamos bridge in 1942

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2496-501: The present , future , and imperfect are imperfective in aspect; the aorist , present perfect , pluperfect and future perfect are perfective in aspect. Most tenses display all four moods and three voices, although there is no future subjunctive or imperative. Also, there is no imperfect subjunctive, optative or imperative. The infinitives and participles correspond to the finite combinations of tense, aspect, and voice. The indicative of past tenses adds (conceptually, at least)

2574-1031: The 5th century BC. Ancient pronunciation cannot be reconstructed with certainty, but Greek from the period is well documented, and there is little disagreement among linguists as to the general nature of the sounds that the letters represent. /oː/ raised to [uː] , probably by the 4th century BC. Greek, like all of the older Indo-European languages , is highly inflected. It is highly archaic in its preservation of Proto-Indo-European forms. In ancient Greek, nouns (including proper nouns) have five cases ( nominative , genitive , dative , accusative , and vocative ), three genders ( masculine , feminine , and neuter ), and three numbers (singular, dual , and plural ). Verbs have four moods ( indicative , imperative , subjunctive , and optative ) and three voices (active, middle, and passive ), as well as three persons (first, second, and third) and various other forms. Verbs are conjugated through seven combinations of tenses and aspect (generally simply called "tenses"):

2652-495: The Archaic period of ancient Greek (see Homeric Greek for more details): Μῆνιν ἄειδε, θεά, Πηληϊάδεω Ἀχιλῆος οὐλομένην, ἣ μυρί' Ἀχαιοῖς ἄλγε' ἔθηκε, πολλὰς δ' ἰφθίμους ψυχὰς Ἄϊδι προΐαψεν ἡρώων, αὐτοὺς δὲ ἑλώρια τεῦχε κύνεσσιν οἰωνοῖσί τε πᾶσι· Διὸς δ' ἐτελείετο βουλή· ἐξ οὗ δὴ τὰ πρῶτα διαστήτην ἐρίσαντε Ἀτρεΐδης τε ἄναξ ἀνδρῶν καὶ δῖος Ἀχιλλεύς. The beginning of Apology by Plato exemplifies Attic Greek from

2730-571: The Classical period of ancient Greek. (The second line is the IPA , the third is transliterated into the Latin alphabet using a modern version of the Erasmian scheme .) Ὅτι [hóti Hóti μὲν men mèn ὑμεῖς, hyːmêːs hūmeîs,   Hot spring Hot spring water often contains large amounts of dissolved minerals. The chemistry of hot springs ranges from acid sulfate springs with

2808-663: The Great of Syria attempted in vain to hold the pass against the Romans under Manius Acilius Glabrio . At an uncertain date in the mid 3rd century AD, the Germanic tribe of Heruli were defeated by a Roman force sent to stop them. In 997, the Bulgarian Tsar Samuel invaded Greece and advanced as far as the Peloponnese . On his return, he was met by a Byzantine army under Nikephoros Ouranos at Spercheios. As

2886-501: The Hakuba Happo hot spring goes through serpentinization, suggesting methanogenic microbial life possibly originated in similar habitats. A problem with the hot spring hypothesis for an origin of life is that phosphate has low solubility in water. Pyrophosphite could have been present within protocells, however all modern life forms use pyrophosphate for energy storage. Kee suggests that pyrophosphate could have been utilized after

2964-673: The Hot Gates is one of the entrances to Hades . Thermopylae is the site of the Battle of Thermopylae between the Greek forces (including Spartans , Thebans and Thespians) and the invading Persian forces, commemorated by Simonides of Ceos in the epitaph , "Go tell the Spartans, stranger passing by, That here we lie, having answered our common oaths." Thermopylae is the only land route large enough to bear any significant traffic between Lokris and Thessaly . To go from north to south along

3042-556: The Late Heavy Bombardment would not have caused cratering on Earth as they would produce fragments upon atmospheric entry. The meteors are estimated to have been 40 to 80 meters in diameter however larger impactors would produce larger craters. Metabolic pathways have not yet been demonstrated at these environments, but the development of proton gradients might have been generated by redox reactions coupled to meteoric quinones or protocell growth. Metabolic reactions in

3120-735: The Wood-Ljungdahl pathway and reverse Krebs cycle have been produced in acidic conditions and thermophilic temperatures in the presence of metals which is consistent with observations of RNA mostly stable at acidic pH. Hot springs have been enjoyed by humans for thousands of years. Even macaques are known to have extended their northern range into Japan by making use of hot springs to protect themselves from cold stress. Hot spring baths ( onsen ) have been in use in Japan for at least two thousand years, traditionally for cleanliness and relaxation, but increasingly for their therapeutic value. In

3198-403: The ancient shoreline and thus splits the pass; a modern-day monument to King Leonidas I of Sparta is situated on the east side of the highway, directly across the road from the hill where Simonides' epitaph to the fallen is engraved in stone at the top. Thermopylae is part of the "horseshoe of Maliakos ", also known as the "horseshoe of death": it is the narrowest part of the highway connecting

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3276-550: The aorist. Following Homer 's practice, the augment is sometimes not made in poetry , especially epic poetry. The augment sometimes substitutes for reduplication; see below. Almost all forms of the perfect, pluperfect, and future perfect reduplicate the initial syllable of the verb stem. (A few irregular forms of perfect do not reduplicate, whereas a handful of irregular aorists reduplicate.) The three types of reduplication are: Irregular duplication can be understood diachronically. For example, lambanō (root lab ) has

3354-419: The augment when it was word-initial. In verbs with a preposition as a prefix, the augment is placed not at the start of the word, but between the preposition and the original verb. For example, προσ(-)βάλλω (I attack) goes to προσ έ βαλoν in the aorist. However compound verbs consisting of a prefix that is not a preposition retain the augment at the start of the word: αὐτο(-)μολῶ goes to ηὐ τομόλησα in

3432-438: The center of Greek scholarship, this division of people and language is quite similar to the results of modern archaeological-linguistic investigation. One standard formulation for the dialects is: West vs. non-West Greek is the strongest-marked and earliest division, with non-West in subsets of Ionic-Attic (or Attic-Ionic) and Aeolic vs. Arcadocypriot, or Aeolic and Arcado-Cypriot vs. Ionic-Attic. Often non-West

3510-563: The dialect of Sparta ), and Northern Peloponnesus Doric (including Corinthian ). All the groups were represented by colonies beyond Greece proper as well, and these colonies generally developed local characteristics, often under the influence of settlers or neighbors speaking different Greek dialects. After the conquests of Alexander the Great in the late 4th century BC, a new international dialect known as Koine or Common Greek developed, largely based on Attic Greek , but with influence from other dialects. This dialect slowly replaced most of

3588-696: The east coast of the Balkans requires use of the pass. In ancient times it was called Malis, named after the Malians ( Ancient Greek : Μαλιεῖς ), a Greek tribe that lived near present-day Lamia at the delta of the river Spercheios in Greece . The Malian Gulf is also named after them. In the western valley of the Spercheios their land was adjacent to the Aenianes . Their main town was named Trachis . In

3666-520: The emergence of enzymes. Dehydrated conditions would favor phosphorylation of organic compounds and condensation of phosphate to polyphosphate. Another problem is that solar ultraviolet radiation and frequent impacts would have inhibited habitability of early cellular life at hot springs, although biological macromolecules might have undergone selection during exposure to solar ultraviolet radiation and would have been catalyzed by photocatalytic silica minerals and metal sulfides. Carbonaceous meteors during

3744-408: The evolution of early life. For example, in a bicarbonate hot spring, the community of organisms immediately around the vent is dominated by filamentous thermophilic bacteria , such as Aquifex and other Aquificales , that oxidize sulfide and hydrogen to obtain energy for their life processes. Further from the vent, where water temperatures have dropped below 60 °C (140 °F), the surface

3822-555: The fluids is thereby lowered to values as low as 0.8. The acid reacts with rock to alter it to clay minerals , oxide minerals , and a residue of silica. Bicarbonate hot springs are fed by hydrothermal fluids that form when carbon dioxide ( CO 2 ) and groundwater react with carbonate rocks . When the fluids reach the surface, CO 2 is rapidly lost and carbonate minerals precipitate as travertine , so that bicarbonate hot springs tend to form high-relief structures around their openings. Iron-rich springs are characterized by

3900-526: The formation of biopolymers which are then encapsulated in vesicles after rehydration. Solar UV exposure to the environment promotes synthesis to monomeric biomolecules. The ionic composition and concentration of hot springs (K, B, Zn, P, O, S, C, Mn, N, and H) are identical to the cytoplasm of modern cells and possibly to those of the LUCA or early cellular life according to phylogenomic analysis. For these reasons, it has been hypothesized that hot springs may be

3978-629: The groundwater originates as rain and snow ( meteoric water ) falling on the nearby mountains, which penetrates a particular formation ( Hollis Quartzite ) to a depth of 3,000 feet (910 m) and is heated by the normal geothermal gradient. Because heated water can hold more dissolved solids than cold water, the water that issues from hot springs often has a very high mineral content, containing everything from calcium to lithium and even radium . The overall chemistry of hot springs varies from alkaline chloride to acid sulfate to bicarbonate to iron-rich , each of which defines an end member of

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4056-452: The heat is created by decay of naturally radioactive elements. An estimated 45 to 90 percent of the heat escaping from the Earth originates from radioactive decay of elements mainly located in the mantle. The major heat-producing isotopes in the Earth are potassium-40 , uranium-238 , uranium-235 , and thorium-232 . In areas with no volcanic activity, this heat flows through the crust by

4134-669: The high concentrations of ionic solutes there would inhibit the formation of membranous structures. David Deamer and Bruce Damer note that these hypothesized prebiotic environments resemble Charles Darwin 's imagined "warm little pond". If life did not emerge at deep sea hydrothermal vents, rather at terrestrial pools, extraterrestrial quinones transported to the environment would generate redox reactions conducive to proton gradients. Without continuous wet-dry cycling to maintain stability of primitive proteins for membrane transport and other biological macromolecules, they would go through hydrolysis in an aquatic environment. Scientists discovered

4212-561: The historical Dorians . The invasion is known to have displaced population to the later Attic-Ionic regions, who regarded themselves as descendants of the population displaced by or contending with the Dorians. The Greeks of this period believed there were three major divisions of all Greek people – Dorians, Aeolians, and Ionians (including Athenians), each with their own defining and distinctive dialects. Allowing for their oversight of Arcadian, an obscure mountain dialect, and Cypriot, far from

4290-476: The historical circumstances of the times imply that the overall groups already existed in some form. Scholars assume that major Ancient Greek period dialect groups developed not later than 1120 BC, at the time of the Dorian invasions —and that their first appearances as precise alphabetic writing began in the 8th century BC. The invasion would not be "Dorian" unless the invaders had some cultural relationship to

4368-407: The hot spring. It is common practice that bathers should wash before entering the water so as not to contaminate the water (with/without soap). In many countries, like Japan, it is required to enter the hot spring with no clothes on, including swimwear. Often there are different facilities or times for men and women, but mixed onsen do exist. In some countries, if it is a public hot spring, swimwear

4446-414: The hot spring. This leads to a runaway condition in which a sizable amount of water and steam are forcibly ejected from the hot spring as the cistern is emptied. The cistern then refills with cooler water, and the cycle repeats. Geysers require both a natural cistern and an abundant source of cooler water to refill the cistern after each eruption of the geyser. If the water supply is less abundant, so that

4524-660: The landscape during the past few thousand years. The land surface on which the famous Battle of Thermopylae was fought in 480 BC is now buried under 20 metres (66 ft) of soil. The shoreline has also advanced over the centuries because of the sedimentary deposition. The level of the Malian Gulf was also significantly higher during prehistoric times, and the Spercheios River was significantly shorter. Its shoreline advanced by up to 2 kilometers between 2500 BC and 480 BC but has still left several narrow passages between

4602-457: The north and the south of Greece. It has many turns and has been the site of many vehicular accidents. The hot springs from which the pass derives its name still exist close to the foot of the hill. Thermopylae means "hot gates", referring to the area’s hot sulfur springs . The location was also associated with the cavernous entrance to Hades , the underworld in Greek mythology , which was said to be at Thermopylae. According to one version of

4680-511: The obvious impracticality of placebo-controlled studies (in which a patient does not know if they are receiving the therapy). As a result, the therapeutic effectiveness of hot spring therapy remains uncertain. Hot springs in volcanic areas are often at or near the boiling point . People have been seriously scalded and even killed by accidentally or intentionally entering these springs. Some hot springs microbiota are infectious to humans: The customs and practices observed differ depending on

4758-508: The older dialects, although the Doric dialect has survived in the Tsakonian language , which is spoken in the region of modern Sparta. Doric has also passed down its aorist terminations into most verbs of Demotic Greek . By about the 6th century AD, the Koine had slowly metamorphosed into Medieval Greek . Phrygian is an extinct Indo-European language of West and Central Anatolia , which

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4836-487: The perfect stem eilēpha (not * lelēpha ) because it was originally slambanō , with perfect seslēpha , becoming eilēpha through compensatory lengthening. Reduplication is also visible in the present tense stems of certain verbs. These stems add a syllable consisting of the root's initial consonant followed by i . A nasal stop appears after the reduplication in some verbs. The earliest extant examples of ancient Greek writing ( c.  1450 BC ) are in

4914-658: The place of origin of life on Earth. The evolutionary implications of the hypothesis imply a direct evolutionary pathway to land plants. Where continuous exposure to sunlight leads to the development of photosynthetic properties and later colonize on land and life at hydrothermal vents is suggested to be a later adaptation. Recent experimental studies at hot springs support this hypothesis. They show that fatty acids self-assemble into membranous structures and encapsulate synthesized biomolecules during exposure to UV light and multiple wet-dry cycles at slightly alkaline or acidic hot springs, which would not happen at saltwater conditions as

4992-537: The presence of microbial communities that produce clumps of oxidized iron from iron in the hydrothermal fluids feeding the spring. Some hot springs produce fluids that are intermediate in chemistry between these extremes. For example, mixed acid-sulfate-chloride hot springs are intermediate between acid sulfate and alkaline chloride springs and may form by mixing of acid sulfate and alkaline chloride fluids. They deposit geyserite, but in smaller quantities than alkaline chloride springs. Hot springs range in flow rate from

5070-620: The river was flooded, both sides encamped on opposite sides without action. Confident that the Byzantines could not cross the river, the Bulgarians relaxed their guard and were taken by surprise when Byzantine scouts discovered a ford further upriver. In 1821, a force of Greek fighters led by Athanasios Diakos made a stand near the pass to stop a force of 8,000 Turks from marching down from Thessaly to put down revolts in Roumeli and

5148-599: The scientific basis for therapeutic bathing in hot springs is uncertain. Hot bath therapy for lead poisoning was common and reportedly highly successful in the 18th and 19th centuries, and may have been due to diuresis (increased production of urine) from sitting in hot water, which increased excretion of lead; better food and isolation from lead sources; and increased intake of calcium and iron. Significant improvement in patients with rheumatoid arthritis and ankylosing spondylitis have been reported in studies of spa therapy, but these studies have methodological problems, such as

5226-464: The sea and the mountains. The narrowest point on the plain, where the battle was probably fought, would have been less than 100 metres (330 ft) wide. Between 480 BC and the 21st century, the shoreline advanced by as much as 9 km (5.6 mi) in places, eliminating the narrowest points of the pass and considerably increasing the size of the plain around the outlet of the Spercheios. The A1 motorway linking Athens and Thessaloniki now follows

5304-517: The syllabic script Linear B . Beginning in the 8th century BC, however, the Greek alphabet became standard, albeit with some variation among dialects. Early texts are written in boustrophedon style, but left-to-right became standard during the classic period. Modern editions of ancient Greek texts are usually written with accents and breathing marks , interword spacing , modern punctuation , and sometimes mixed case , but these were all introduced later. The beginning of Homer 's Iliad exemplifies

5382-479: The tiniest "seeps" to veritable rivers of hot water. Sometimes there is enough pressure that the water shoots upward in a geyser , or fountain . There are many claims in the literature about the flow rates of hot springs. There are many more high flow non-thermal springs than geothermal springs. Springs with high flow rates include: Hot springs often host communities of microorganisms adapted to life in hot, mineral-laden water. These include thermophiles , which are

5460-532: The town of Anthela , the Malians had an important Temple of Demeter Amphictyonis , an early center of the Anthelan Amphictyony . The land is dominated by the coastal floodplain of the Spercheios river and is surrounded by sloping forested limestone mountains. There is continuous deposition of sediment from the river and travertine deposits from the hot springs which has substantially altered

5538-459: The true number might be closer to 1,250 than 1,400. For three days they held a narrow route between hills and the sea against Xerxes' vast cavalry and infantry force, before being outflanked on the third day via an obscure goat path named the Anopaea Pass. According to the Greek legend, a traitor named Ephialtes of Trachis showed the path to the invaders. The following epitaph by Simonides

5616-490: The vent. Acid sulfate hot springs show a somewhat different succession of microorganisms, dominated by acid-tolerant algae (such as members of Cyanidiophyceae ), fungi , and diatoms. Iron-rich hot springs contain communities of photosynthetic organisms that oxidize reduced ( ferrous ) iron to oxidized ( ferric ) iron. Hot springs are a dependable source of water that provides a rich chemical environment. This includes reduced chemical species that microorganisms can oxidize as

5694-443: The water in the cistern, raising its temperature above the normal boiling point. The water will not immediately boil, because the weight of the water column above the cistern pressurizes the cistern and suppresses boiling. However, as the superheated water expands, some of the water will emerge at the surface, reducing pressure in the cistern. This allows some of the water in the cistern to flash into steam, which forces more water out of

5772-487: The water is boiled as fast as it can accumulate and only reaches the surface in the form of steam , the result is a fumarole . If the water is mixed with mud and clay , the result is a mud pot . An example of a non-volcanic warm spring is Warm Springs, Georgia (frequented for its therapeutic effects by paraplegic U.S. President Franklin D. Roosevelt , who built the Little White House there). Here

5850-480: Was Aeolic. For example, fragments of the works of the poet Sappho from the island of Lesbos are in Aeolian. Most of the dialect sub-groups listed above had further subdivisions, generally equivalent to a city-state and its surrounding territory, or to an island. Doric notably had several intermediate divisions as well, into Island Doric (including Cretan Doric ), Southern Peloponnesus Doric (including Laconian ,

5928-599: Was caused by a large fine imposed on the Phocians in 357 BC for cultivating sacred land. The Spartans, who were also fined in that war, actually never fought in it as they were later pardoned. In 279 BC a Gallic army led by Brennus initially engaged the Aetolians who were forced to make a tactical retreat and who were finally routed by the Thessalians and Malians by the river Spercheios . In 191 BC Antiochus III

6006-479: Was referred in German documents of the era as "the recent sabotage near Thermopylae". 38°48′19″N 22°33′46″E  /  38.80528°N 22.56278°E  / 38.80528; 22.56278 Ancient Greek Ancient Greek ( Ἑλληνῐκή , Hellēnikḗ ; [hellɛːnikɛ́ː] ) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It

6084-566: Was written on the monument: "Go tell the Spartans, stranger passing by, that here obedient to their laws we lie." (Ὦ ξεῖν', ἀγγέλλειν Λακεδαιμονίοις ὅτι τῇδε κείμεθα, τοῖς κείνων ῥήμασι πειθόμενοι.) In 353 BC/352 BC during the Third Sacred War , fought mainly between the forces of the Delphic Amphictyonic League, principally represented by Thebes, and latterly by Philip II of Macedon , and the Phocians. The war

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