What is it about babies that make us go, "Awwwww?" That's a question we may now be able to answer.

This video offers a scientific explanation of what makes babies so darned cute. All this time, we would've put money on the fact they're innocent and have great smiles, but, apparently, we would've been better served saying things like "baby schema" and "mesocorticolimbic system." Who knew?

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