How Do Babies Get Milk Out of Breasts?

This article was originally posted on RealClearScience.

There’s a controversy surrounding breastfeeding. No, not the controversy about whether it’s appropriate for mothers to breastfeed in public, say, in front of a class of college students. Science can’t help with that one.

I’m talking about the other breastfeeding controversy: How do babies get milk out of those things, anyway? Apparently, the answer to that question has been the subject of a century-long debate. Who knew?! Continue reading