What we know about the return of the dire wolf
An American biotech company says its research has led to the successful breeding of three puppies with dire wolf genes, claiming it’s their first successful “de-extinction.” But some science experts are skeptical. CBC’s Greg Ross breaks it down.
6:08
5:18
8:33
7:10
1:57
1:44
6:19
2:39
16:58
4:56
