It has been not one but two years since Marginal Revolution first wrote about us. On August 5, PSD Blog celebrated its second birthday.
In terms of what to expect in the future, development psychologists agree that: "emotions take on a roller coaster-like quality as 2-year-olds can go from excitement to anger to laughter within a few moments."
Reminiscent of the time past, we picked the blog's five most popular posts since its last birthday:
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