We don’t all get to learn about vaginas in school or from our families or from creating a reputation as the "Vagina Economist." And quite frankly, this is to our detriment. But today on ParentData, we’re trying to make some progress on that. We're joined by Dr. Karen Tang, a minimally invasive...

Pop quiz: what’s the only organ that you grow from nothing and then casually discard, that magically bosses around your hormones, and actually your entire body, and that is actually made up of two different people’s cells?  Obviously it’s the placenta. Less obvious is how completely awesome it...