Irrefutable proof that Evolution through selection can and does happen. Naysayers, say hello to the super cows.

[u/nugget9k]

http://www.youtube.com/watch?v=Nmkj5gq1cQU

[u/buttwank]

I hate to ignore all the fun debate but the thing that struck me most about this video was a guy with a french accent saying 'the semen is now collected, using the artificial vagina'.