http://blogs.scientificamerican.com/guest-blog/mans-new-best-friend-a-forgotten-russian-experiment-in-fox-domestication/ http://blogs.scientificamerican.com/gue

http://blogs.scientificamerican.com/guest-blog/mans-new-best-friend-a-forgotten-russian-experiment-in-fox-domestication/ http://blogs.scientificamerican.com/guest-blog/mans-new-best... "Belyaev then began breeding a line of foxes with the opposite behavioral traits, to be fearful and aggressive, using a similar method." https://www.youtube.com/watch?v=RypuiEOouZ0 https://www.youtube.com/watch?v=RypuiEOouZ0