It's time for our weekly look at the funny, weird and plain interesting videos we've found on YouTube again.
In this edition, we have more chalk warfare, a meow compilation, 50 ways to open a beer bottle and loads more.
This collection, showing the origins of various internet memes, is worth a look if you're into that sort of thing. (50 000 views)
This clip, simply showing a cat relaxing like a human, is our quirky animal clip of the week. (770 000 views)
We have another dose of chalk warfare this week, with some nifty visual effects. (60 000 views)
This cat-lover made a box tower for his feline – every cat would love one of these probably. (916 000 views)
Another cat video this week and probably the best feline compilation we've seen. (175 000 views)
Page two: How Mars lost its atmosphere...