As increased rain makes grasslands and cornfields possible in areas that once were deserts, the world’s largest beef importer is becoming more self-reliant by expanding domestic herds.
New research spanning five continents and vastly different cultures -- from the steppes of Mongolia to the rainforests of the Pacific -- shows that hunting dogs and their owners cooperate, communicate and rely on each other in nearly identical ways, suggesting the relationship was forged in deep evolutionary time, perhaps 30,000 years ago.
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