Jimmy Kieling pets his 4-year-old Stratford Terrier Trixie, Jan. 17, 2016, for Dog Night presented by Nestlé Purina at a hockey game in Grand Rapids, Mich. Some researchers question whether dogs experience feelings like love and loyalty, or whether their winning ways are just a matter of instincts that evolved because being a hanger-on is an easier way to make a living than running down elk.
Jimmy Kieling pets his 4-year-old Stratford Terrier Trixie, Jan. 17, 2016, for Dog Night presented by Nestlé Purina at a hockey game in Grand Rapids, Mich. Some researchers question whether dogs experience feelings like love and loyalty, or whether their winning ways are just a matter of instincts that evolved because being a hanger-on is an easier way to make a living than running down elk. Taylor Ballek Associated Press
Jimmy Kieling pets his 4-year-old Stratford Terrier Trixie, Jan. 17, 2016, for Dog Night presented by Nestlé Purina at a hockey game in Grand Rapids, Mich. Some researchers question whether dogs experience feelings like love and loyalty, or whether their winning ways are just a matter of instincts that evolved because being a hanger-on is an easier way to make a living than running down elk. Taylor Ballek Associated Press

Researchers delve into the murky roots of dogs

January 19, 2016 7:53 AM

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