0_Wizard
Humans domesticated horses back around 4000 BC.  I want to someday have a racehorse!
Humans began to domesticate horses around 4000 BC, and their domestication is believed to have been widespread by 3000 BC.
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Horse
The horse ("Equus ferus caballus") is one of two extant subspecies of "Equus ferus". It is an odd-toed ungulate mammal belonging to the taxonomic family Equidae. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature, "Eohippus", into the large, single-toed animal of today. Humans began to domesticate horses around 4000 BC, and their domestication is believed to have been widespread by 3000 BC. Horses in the subspecies "caballus" are domesticated, although some domesticated populations live in the wild as feral horses. These feral populations are not true wild horses, as this term is used to describe horses that have never been domesticated, such as the endangered Przewalski's horse, a separate subspecies, and the only remaining true wild horse.
Domestication of the horse
A number of hypotheses exist on many of the key issues regarding the domestication of the horse. Although horses appeared in Paleolithic cave art as early as 30,000 BCE, these were wild horses and were probably hunted for meat. How and when horses became domesticated is disputed. The clearest evidence of early use of the horse as a means of transport is from chariot burials dated c. 2000 BCE. However, an increasing amount of evidence supports the hypothesis that horses were domesticated in the Eurasian Steppes approximately 3500 BCE; recent discoveries in the context of the Botai culture suggest that Botai settlements in the Akmola Province of Kazakhstan are the location of the earliest domestication of the horse.
Horse behavior
Horse Behaviour has been studied by horse users for centuries, as the horse was one of the first animals mankind domesticated and understanding its behaviour has always been important in horse welfare and in training to get the best use out of a horse. In the wild, horses are prey animals that live in herds, which affects their reactions to other horses and to the world around them. Their behaviour in wild, feral conditions has been studied extensively as has their reactions to living and working in domestic situations. Interactions with other horses, such as dominance and communication methods has been studied extensively and numerous books and videos exist on different aspects of horse behaviour.
Proto-Indo-European homeland
The Proto-Indo-European homeland (or Indo-European homeland) is the prehistoric "urheimat" of the Indo-European languages—the region where their reconstructed common ancestor, the Proto-Indo-European language (PIE), was originally spoken. From this region subgroups of speakers migrated and went on to form the proto-communities of the different branches of the language family. The majority of Indo-European specialists support the Kurgan hypothesis, which puts the PIE homeland in the Pontic-Caspian steppe around 4000 BC, though critical issues remain to be clarified. The major alternative theory was the Anatolian hypothesis, which put it in Anatolia around 8000 BC, but this theory has lost support due to the explanatory limitations of this theory.
Wild horse
The wild horse ("Equus ferus") is a species of the genus "Equus", which includes as subspecies the modern domesticated horse ("Equus ferus caballus") as well as the undomesticated tarpan ("Equus ferus ferus", now extinct), and the endangered Przewalski's horse ("Equus ferus przewalskii"). Przewalski's horse had reached the brink of extinction but was reintroduced successfully back into the wild. The tarpan became extinct in the 19th century, though it is a possible ancestor of the domestic horse; it roamed the steppes of Eurasia at the time of domestication. However, other subspecies of "Equus ferus" may have existed and could have been the stock from which domesticated horses are descended.
Equus (genus)
Equus is a genus of mammals in the family Equidae, which includes horses, asses, and zebras. Within Equidae, "Equus" is the only recognized extant genus, comprising seven living species. The term equine refers to any member of this genus, including horses. Like Equidae more broadly, "Equus" has numerous extinct species known only from fossils. The genus most likely originated in North America and spread quickly to the Old World. Equines are odd-toed ungulates with slender legs, long heads, relatively long necks, manes (erect in most subspecies) and long tails. All species are herbivorous, and mostly grazers with simpler digestive systems than ruminants but able to subsist on lower quality vegetation.
Przewalski's horse
The Przewalski's horse ( ; ; Khalkha , "takhi"; Ak Kaba Tuvan: [] "dagy"; "Equus ferus przewalskii") or Dzungarian horse, is a rare and endangered subspecies of wild horse ("Equus ferus") native to the steppes of central Asia. At one time extinct in the wild (in Mongolia, the last wild Przewalski's horses had been seen in 1966), it has been reintroduced to its native habitat in Mongolia at the Khustain Nuruu National Park, Takhin Tal Nature Reserve, and Khomiin Tal. The taxonomic position is still debated, and some taxonomists treat Przewalski's horse as a species, "Equus przewalskii". Common names for this equine include "takhi", "Asian wild horse" and "Mongolian wild horse", The horse is named after the Russian geographer and explorer (of Polish ancestry) Nikolay Przhevalsky (Polish name: Mikołaj Przewalski).
1_Apprentice
OK a race horse? What type of horse are used in racing?
0_Wizard
In racing most think of, like the Derby, it's thoroughbreds.  Standard breds are used in racing with carts. 
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Thoroughbred
The Thoroughbred is a horse breed best known for its use in horse racing. Although the word "thoroughbred" is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed. Thoroughbreds are considered "hot-blooded" horses that are known for their agility, speed, and spirit. The Thoroughbred as it is known today was developed in 17th- and 18th-century England, when native mares were crossbred with imported Oriental stallions of Arabian, Barb, and Turkoman breeding. All modern Thoroughbreds can trace their pedigrees to three stallions originally imported into England in the 17th century and 18th century and to a larger number of foundation mares of mostly English breeding.
Horse racing
Horse racing is an equestrian performance sport, typically involving two or more horses ridden by jockeys or driven over a set distance for competition. It is one of the most ancient of all sports and its basic premise – to identify which of two or more horses is the fastest over a set course or distance – has remained unchanged since the earliest times. Horse races vary widely in format. Often, countries have developed their own particular horse racing traditions. Variations include restricting races to particular breeds, running over obstacles, running over different distances, running on different track surfaces and running in different gaits.
California Chrome
California Chrome (foaled February 18, 2011) is an American Thoroughbred racehorse. He was named the 2014 and 2016 American Horse of the Year. He won the 2014 Kentucky Derby, the Preakness Stakes, and the 2016 Dubai World Cup. In 2016, he surpassed Curlin as the all-time leading North American horse in earnings won. Bred in California, the chestnut-colored horse was named for his flashy white markings, called "chrome" by horse aficionados. He was bred and originally owned by Perry Martin from Yuba City, California, and Steve Coburn of Topaz Lake, Nevada, who named their partnership DAP Racing, standing for "Dumb Ass Partners"—a tongue-in-cheek response to a passerby who questioned their wisdom in purchasing California Chrome's dam, Love the Chase.
Jersey Act
The Jersey Act was introduced to prevent the registration of most American-bred Thoroughbred horses in the British "General Stud Book". It had its roots in the desire of the British to halt the influx of American-bred racehorses of possibly impure bloodlines during the early 20th century. Many American-bred horses were exported to Europe to race and retire to a breeding career after a number of US states banned gambling, which depressed Thoroughbred racing as well as breeding in the United States. The loss of breeding records during the American Civil War and the late beginning of the registration of American Thoroughbreds led many in the British racing establishment to doubt that the American-bred horses were purebred.
Lava Man
Lava Man (foaled on March 20, 2001 in California) is an American Thoroughbred racehorse who was once claimed for $50,000 but wound up being inducted into the National Museum of Racing and Hall of Fame in 2015. In a forty-seven race career, he won seventeen times with his major victories including three Hollywood Gold Cups, two Santa Anita Handicaps and the Pacific Classic Stakes. Lava Man is dark bay thoroughbred gelding with a white blaze on his forehead. His dam L'il Ms. Leonard was claimed by Lonnie Arterburn for $16,000 and then sent to Kentucky to be bred to Slew City Slew, a son of Triple Crown winner Seattle Slew.
Funny Cide
Funny Cide (foaled April 20, 2000) is a Thoroughbred race horse who won the Kentucky Derby and the Preakness Stakes in 2003. He is the first New York-bred horse to win the Kentucky Derby and the first gelding to win since Clyde Van Dusen in 1929. He was an immensely popular horse and remains a fan favorite in retirement at the Kentucky Horse Park. Funny Cide was bred at WinStar Farm in Versailles, Kentucky, but was foaled at the McMahon of Saratoga Thoroughbred Farm, owned by Joe and Anne McMahon in Saratoga Springs, New York. His sire is Distorted Humor, who was then an unproven sire at WinStar, struggling to attract good mares.
Harness racing in Australia
Harness racing, also colloquially known as trotting, is an important spectator sport in Australia, with large amounts of money wagered annually with bookmakers and the Totalisator Agency Board (TAB). In Australia there are 91 harness racing tracks, which hold over 1,900 meetings annually. There are approximately 2,900 drivers and 4,000 trainers with about 5,000 Standardbred horses foaled and registered each year. Harness racing in Australia is conducted with Standardbred horses racing around a track while pulling a driver in a two-wheeled cart called a "sulky", "gig" or "bike". Standardbred racehorses compete in two gaits, pacing and trotting, and trotters may enter pacing events, but not vice versa.
1_Apprentice
OK ,when was the earliest history?
0_Wizard
I'm not sure what year it started, but it is one of the most ancient of all sports, at least at its basic premise.
It is one of the most ancient of all sports and its basic premise – to identify which of two or more horses is the fastest over a set course or distance – has remained unchanged since the earliest times.
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List of unmade Doctor Who serials and films
During the long history of the British science fiction television programme "Doctor Who", a number of stories were proposed but, for a variety of reasons, never fully produced. Below is a list of unmade serials which were submitted by recognised professional writers and the BBC had intended to produce, but for one reason or another were not made. Many have since been the subject of a feature in "Doctor Who Magazine", or other professional periodicals or books devoted to the television show. Such serials exist during the tenure of each of the previous eleven incarnations of the Doctor. The reasons for the serials being incomplete include strike action (which caused the partially filmed "Shada" to be abandoned), actors leaving roles ("The Final Game", which was cancelled after Roger Delgado's death), and the series being put on hiatus twice—once in 1985, and again in 1989—causing the serials planned for the following series to be shelved.
Star Trek: The Motion Picture
Star Trek: The Motion Picture is a 1979 American science fiction film directed by Robert Wise and based on the created by Gene Roddenberry, who also served as its producer. It is the first installment in the "Star Trek" film series, and stars the cast of the original television series. The film is set in the twenty-third century, when a mysterious and immensely powerful alien cloud known as V'Ger approaches Earth, destroying everything in its path. Admiral James T. Kirk (William Shatner) assumes command of the recently refitted Starship USS "Enterprise", to lead it on a mission to save the planet and determine VGers origins.
Sucks Less with Kevin Smith
Sucks Less with Kevin Smith is a show done in partnership with MTVu, an MTV channel aimed at college students. The show aired weekly on MTVu, on Amp'd Mobile phones, and on MTVu.com. It is "the show for people who have way better things to do with their weekend than get laid." Every week, the show features (at least) three UCLA students who are enrolled in a class about cinematography in which Kevin Smith is the teacher. Each episode is about seven and a half minutes in length and the basic premise of each show is to inform college students of things that can help their weekends suck less. Episode One gives the basic premise of the show, had a few gay jokes, a knock on "Jersey Girl" then got into the episode.
Darius (Highlander)
Darius is a fictional character from "", portrayed by actor Werner Stocker. He first appeared in the season one episode "" (1993) and is featured in four subsequent episodes of the same season, as well as in one "Highlander" novel. A two-thousand-year-old Immortal living as a monk in Paris, France, he is a friend and mentor of protagonist Duncan MacLeod. He is a peace advocate, having rejected violence fifteen hundred years ago. He is retired on Holy Ground where other Immortals are forbidden to fight him and lives in his spartanly furnished rectory, visited by other Immortals, studying old books, playing martial games, and brewing ancient beverages.
Philosophy of artificial intelligence
The philosophy of artificial intelligence attempts to answer such questions as follows: These three questions reflect the divergent interests of AI researchers, linguists, cognitive scientists and philosophers respectively. The scientific answers to these questions depend on the definition of "intelligence" and "consciousness" and exactly which "machines" are under discussion. Important propositions in the philosophy of AI include:   Is it possible to create a machine that can solve "all" the problems humans solve using their intelligence? This question defines the scope of what machines will be able to do in the future and guides the direction of AI research.
Horse racing
Horse racing is an equestrian performance sport, typically involving two or more horses ridden by jockeys or driven over a set distance for competition. It is one of the most ancient of all sports and its basic premise – to identify which of two or more horses is the fastest over a set course or distance – has remained unchanged since the earliest times. Horse races vary widely in format. Often, countries have developed their own particular horse racing traditions. Variations include restricting races to particular breeds, running over obstacles, running over different distances, running on different track surfaces and running in different gaits.
Affective disposition theory
Affective disposition theory (ADT), in its simplest form, states that media and entertainment users make moral judgments about characters in a narrative which in turn affects their enjoyment of the narrative. This theory was first posited by Zillmann and Cantor (1972), and many offshoots have followed in various areas of entertainment (Raney, 2006a). Entertainment users make constant judgments of a character's actions, and these judgments enable the user to determine which character they believe is the "good guy" or the "villain". However, in an article written in 2004, Raney examined the fundamental ADT assumption that viewers of drama always form their dispositions toward characters through moral judgment of motives and conduct.
1_Apprentice
So which is the fastest amongs all?