via BBC:

‘In 1940s Maine, a group of scientists built the School for Dogs, a massive facility to breed a “super-dog”. Things didn’t go as planned.

Humans have been a little bit obsessed with dogs for millennia. In the late 1940s, though, an enormous experiment took that obsession to a level never seen before or since. 

The findings would help close one of the darkest chapters in scientific history. …’