The video discusses the skills and challenges involved in herding, focusing on the interactions between dogs and sheep.

They are large — actually, they are some of the largest dog breeds in the world. Don't believe us? Just take a look at these (mostly) gentle giants below. It’s likely that the top ten and even top 20 ...

We’ve probably all seen cats chase shadows on the floor, or light when it reflects from our phones onto the wall. Laser ...