Dogs were some of the first animals that humans domesticated. These furry pals were living with people for thousands of years before we invented agriculture and started keeping other animals like goats and pigs.
Though we have archaeological evidence of dog bones within human communities dating back 15,000 years, scientists still aren't sure where humans began the process of converting wild wolves into snuggly companions. A new study suggests that dogs were domesticated twice - once in Europe and once in Asia, probably around the same time.
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