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horse : a large solid-hoofed herbivorous ungulate mammal (Equus caballus, family Equidae, the horse family) domesticated since prehistoric times and used as a beast of burden, a draft animal, or for riding — Webster
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Horse 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 domesticating 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. There is an extensive, specialized vocabulary used to describe equine-related concepts, covering everything from anatomy to life stages, size, colors, markings, breeds, locomotion, and behavior.
Horses’ anatomy enables them to make use of speed to escape predators and they have a well-developed sense of balance and a strong fight-or-flight response. Related to this need to flee from predators in the wild is an unusual trait: horses are able to sleep both standing up and lying down, with younger horses tending to sleep significantly more than adults. Female horses, called mares, carry their young for approximately 11 months, and a young horse, called a foal, can stand and run shortly following birth. Most domesticated horses begin training under saddle or in harness between the ages of two and four. They reach full adult development by age five, and have an average lifespan of between 25 and 30 years.
Horse breeds are loosely divided into three categories based on general temperament: spirited “hot bloods” with speed and endurance; “cold bloods”, such as draft horses and some ponies, suitable for slow, heavy work; and “warmbloods”, developed from crosses between hot bloods and cold bloods, often focusing on creating breeds for specific riding purposes, particularly in Europe. There are more than 300 breeds of horse in the world today, developed for many different uses. — Wikipedia
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Horses News -- ScienceDaily Equine News. All about horses including the latest in horse cloning, race horse physiology and horse health.
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How the 'speed gene' works in thoroughbred...
on November 6, 2018 at 4:16 pm
Scientists have discovered the inner workings of a known 'speed gene', which directly affects skeletal muscle growth and, in turn, race distance aptitude in thoroughbred racehorses. Their findings have important implications for a multi-billion dollar industry. […]
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Breakthrough in the hunt for a vaccine against...
on September 27, 2018 at 6:56 pm
A vaccine against deadly foal pneumonia might finally be within reach, thanks to new research. The breakthrough could potentially save the lives of thousands of foals every year. […]
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Giddy up: Help for plump ponies is fast on its way
on September 26, 2018 at 3:09 pm
Help is on the way for plump ponies at risk of the painful, often deadly, condition of founder or laminitis which is the second biggest killer of domestic horses. […]
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A calmer horse is just a sniff away
on July 28, 2018 at 12:41 pm
Research shows the calming benefits of lavender aromatherapy for horses. […]
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Oldest evidence of horse veterinary care...
on July 2, 2018 at 7:47 pm
A team of scholars analyzed horse remains from an ancient Mongolian pastoral culture. Examination of skeletal remains from the impressive horse burials associated with the Deer Stone-Khirigsuur Culture showed that surgical procedures were used to remove baby teeth that would have caused young horses pain or difficulty with feeding -- the world's oldest known evidence for veterinary dental care. […]
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
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Huawei defends global ambitions amid Western...
on December 18, 2018 at 10:57 am
Huawei defended its global ambitions and network security on Tuesday in the face of Western fears that the Chinese telecom giant could serve as a Trojan horse for Beijing's security apparatus. […]
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5G: a revolution not without risks
on December 16, 2018 at 8:42 am
The recent diplomatic dust-up over Chinese telecoms company Huawei, one of the leaders in developing equipment for fifth-generation mobile networks, has demonstrated that this technology which promises to enable an internet of things and self-driving vehicles also poses risks. […]
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How self-driving cars will make our cities more...
on December 11, 2018 at 2:33 pm
Everyone's trying to get ready for roads that will be filled with more and more self-driving cars. But just as the first cars were imagined to be like horse-drawn carriages without the horses, it's easy to fall into the trap of thinking that a future with self-driving cars won't be that different —except that we won't have to drive. […]
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Humans may be reversing the climate clock, by 50...
on December 10, 2018 at 8:00 pm
Our future on Earth may also be our past. In a study published Monday (Dec. 10, 2018) in the Proceedings of the National Academy of Sciences, researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries. […]
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Reproduction, from Hippocrates to IVF
on December 7, 2018 at 4:54 pm
The first book to take in 3,000 years of baby-making shows how women functioned as "vessels" in early ideas of creation, until the ancient Greeks established theories of "dual contribution—whether two seeds or two souls—that dominated beliefs about how everything multiplied for centuries to come. […]