Despite being ubiquitous across the world, surprisingly little is known about where dogs come from

Despite being ubiquitous across the world, surprisingly little is known about where dogs come from

 ADRIAN DENNIS

The discovery of the oldest ever dog DNA suggests they have been our best friends for nearly 16,000 years -- 5,000 years earlier than had previously been thought, new research said Wednesday.

Despite being ubiquitous in the homes, backyards and hearts of people across the world, surprisingly little is known about where dogs come from.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.

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