Is there anything more heartwarming than an adorable animal? How about one that’s smiling?

No matter what kind of mood you’re in, these happy animal memes are bound to cheer you up.

In fact, research has shown that looking at pictures of cute animals not only raises your spirits but can even help improve your concentration!

So now when you click through this slideshow at work, it’s just to make sure the rest of your day is more productive!