Don’t get intimidated by the numbers and facts reported here. Dogs bite when they feel threatened or if they are trained to do so. However, estimations are that about 4.7 million dog bite incidents happen in the US yearly with 800.000 of them requiring medical care.

There is solid evidence that dog is descending from wolf. But how have we reached to domestic dogs and developed such level of intimacy with a primarily wild specie? See how selective breeding formed dogs as we know them today.