Dogs flub problem-solving test
Confronting a treat-filled puzzle, pets or shelter animals more likely than wolves to give up
![dogs looking up at human](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/09/091515_sm_dog_free.jpg?fit=860%2C460&ssl=1)
WATCH DOGS Dogs’ tendency to attend to humans and look at faces may get in the way of solving practical problems.
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