The last three years have been a successful time for them, and success does tend to domesticate people.
Attempts to tame and domesticate these creatures were met with mixed results, and even though some had proven docile enough to use as mounts, there was always the slight element of unpredictability about them.
But researchers have also stumbled across hints that cats were domesticated much earlier.
Contrary to popular belief, in the right circumstances domesticated dogs will kill cats.
The domestication of dogs is now thought to have begun over 135,000 years ago.
Archaeological and genetic evidence suggest that humans have been domesticating organisms since the Neolithic revolution, about 12,000 years ago.
What, indeed, does domestication do to an animal's approach to learning?
We embarked on that road thousands of years ago when plants were first domesticated .
Some domesticated flowers may have become dependent upon humans for propagation.
Between 5000 and 10,000 years ago, humans domesticated virtually all major crop species used by modern agricultural societies.