Two bear cubs grooming each other is adorable, but a dozen cubs inspecting each other's ears at the same time is enough to give you diabetes. You'll watch the above clip with bated breath, your mind intoxicated with such fevered thoughts as "WILL ANOTHER BEAR CUB JOIN THE QUEUE?" And sweet mercy, the answer is always "yes." Our brains are not evolutionarily equipped to withstand this much "d'awww."

[Via Treehugger]