Imagine you're a dog. Your owner is trapped in a box and is crying out for help. Are you aware of his despair? If so, can you set him free? And what's more, do you really want to? That's what researchers wanted to know when they gave dogs the chance to rescue their owners.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/dogs/~4/8_9Dhfd_bXM

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