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About: http://data.cimple.eu/news-article/1e01bfac8fa8d26c23e76a2950e1a40b4013e5ba76a06342f1818771 Goto Sponge NotDistinct Permalink

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rdf:type	schema:NewsArticle
schema:articleBody	It's a game familiar to most people: you throw an object a short distance, and wait as your joyful canine companion leaps to intercept and return the missile, encouraged by words of praise or a pat on the head. Such scenes have no doubt played out over millenia, symbolizing the unshakeable bond of friendship between humanity and our "best friends" ever since dogs were domesticated from wolves at least 15,000 years ago. But a new study in the journal iScience shows that some wolf puppies also know how to play fetch, upending the long-held hypothesis that the ability to interpret subtle human social cues is unique to dogs and arose as a result of selective breeding. The finding was made by chance as researchers in Sweden subjected 13 wolf puppies born to three different litters to a series of behavioral tests. The team was raising wolf and dog puppies from the age of 10 days old in order to answer fundamental questions about how the two species differ, and what they have in common. It wasn't until the third year of the program that lead author Christina Hansen Wheat, a behavioral ecologist at the University of Stockholm noticed that some eight-week-old wolf pups actually paid attention to a stranger throwing a ball and asking them to return it -- despite no prior training. "When I saw the first wolf pup fetch the ball, I got goosebumps -- whoa, that's unexpected," she told AFP. "Then I had two more doing the same thing, and so that was pretty exciting." The pups were subjected to consecutive trials, with a total of three of the 13 showing the ability to play the game consistently. This suggests that, while rare, variation among wolves in so-called "human directed behavior" was a key factor in which ones were selected by prehistoric people for further breeding. Hansen Wheat believes the finding adds an intriguing "new piece to the puzzle" of the question of dog domestication -- a deeply contested area of study, with scientists in disagreement over the timeline, geographic locations and conditions that led to one of the most fruitful partnerships in human history. ia/jm
schema:headline	Wolf puppies play fetch, too, scientists find
schema:mentions	Stockholm Christina Aguilera Puzzle Applied Digital Data Systems Agence France-Presse Species Ia (cuneiform) Missile Sweden Dog Behavioral ecology Selective breeding Domestication Unshakeable
schema:author	http://data.cimple.eu/organization/1f0054d541e000623a2c1e561a247c073ef6328e8be9ffafda7b3fcd
schema:datePublished	2020-01-16 (xsd:date)
http://data.cimple...sPoliticalLeaning	other political leaning
http://data.cimple...logy#hasSentiment	positive sentiment
http://data.cimple...readability_score	93 (xsd:integer)
http://data.cimple...tology#hasEmotion	happiness

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