Who said it first, no one knows. But Frederick the Great, warrior ruler and enlightened despot of 18th-century Prussia, said it well. “The only, absolute and best friend a man has, in this selfish ...

The story of how dogs transitioned from wild predators to humanity’s most loyal companions is a tale that spans tens of thousands of years. While the full details are still shrouded in mystery, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. While that chihuahua might seem about as similar to a wolf as a ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...