Origin Theories of Man’s Best Friend: 1/15/16: David Grimm.

Jan 16, 2016, 06:26 AM

AUTHOR (Photo: "A painting by Heinrich Harder showing an aurochs fighting off a Eurasian wolf pack. Heinrich Harder (1858-1935)." Origin Theories of Man’s Best Friend: 1/15/16: David Grimm, Science Magazine, author “Citizen Canine: Our Evolving Relationship with Cats and Dogs.”