Picture this: A dairy barn full of cows being milked, fed and cleaned up after, but there’s no farmer in sight. Sounds a bit unusual, right? Well, it’s not as far-fetched as you might think. Thanks to ...

This dairy barn is full of cows, as you might expect. Cows are being milked, cows are being fed, cows are being cleaned up after, and a few very happy cows are even getting vigorously scratched behind ...