Biologists' Mother's Day Song
Clearly we need more research on milk because this dude almost exclusively talks about the placenta. But its still amazing anyway. Enjoy!
Teeth and Weaning and Neanderthal… OH MY!
Weaning in primates is a fascinating process in which ingestion of mother’s milk, as a proportion of daily dietary intake, incrementally declines as the infant ages. From moment to moment, this exquisite negotiation of nipple access between mother and infant can vary in relation to food availability, maternal style, and the compelling power of the infant demand (aka weaning tantrum). Oh and lots of other factors can influence the weaning process too. Field Museum, Chicago One of the more remarkable features of human development is that cessation of breastfeeding occurs earlier for us than for our closest ape relatives. This is not just an artifact of a modern industrial world. In 2001, Dan Sellen reviewed >100 non-industrial populations using demographic and ethnographic records. The average age of the introduction of supplemental solids was estimated to be ~5 months (±4 months) and cessation of breastfeeding on average was estimated to be ~30 months (...
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