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Horses were domesticated at least twice, researchers report June 6 in Nature. Genetic data suggest Botai hunter-gatherers in Central Asia may have been the first to domesticate the animals for milk and meat around 5,000 years ago. That attempt didn't stick. But other people living north of the Caucasian Mountains domesticated horses for transportation about 4,200 years ago, the researchers found.Those latter horses took the equine world by storm. In just a few centuries, they replaced their wild cousins and became the modern domestic horse...ancient people from southwest Asia known as the Yamnaya have been credited with being the first...

'Extinct' wild horse roams again By Charles Clover (Filed: 19/12/2005) The wild horse has been saved from extinction after a successful programme to reintroduce captive-bred horses to their natural habitat in Mongolia. A working group of scientists at London Zoo has now recommended that Przewalski's horse, previously characterised as "extinct" in the wild, should now be listed as "endangered". It is a rare case of a species climbing away from extinction. If the new status is accepted by IUCN, the World Conservation Union, scientists say it will be a milestone for large mammal conservation. In 1945, there were only 31...

Samples from a horse leg bone more than 700,000 years old have yielded the oldest full genome known to date... The Pleistocene horse genome Orlando and colleagues pieced together helped them determine that the ancestor to the Equus lineage -- the group that gave rise to modern horses, zebras, and donkeys -- arose 4 to 4.5 million years ago, or about two million years earlier than previously thought... The team found that Przewalski's horses were an offshoot of the lineage that gave rise to domestic horses. The two groups diverged around 50,000 years ago... The six-inch (15-centimeter) horse leg bone...

Well-preserved specimen pushes back the timing of modern horse evolution. A group of Przewalski's horses, once considered extinct in the wild. Photograph by Michael Nichols, National Geographic Photograph courtesy D.G. Froese via Nature DNA shines a light back into the past, showing us things that fossils can't. But how far back can that light extend? Some of the oldest DNA sequences come from mastodon and polar bear fossils about 50,000 and 110,000 years old, respectively. But a new study published online today in the journal Nature reports the latest in the push for recovering ever more ancient DNA sequences. Samples...