Got Lactase? The Co-evolution of Genes and Culture
- 2013
- 15m
Human babies drink milk; it's the food especially provided for them by their mothers. But worldwide, only a third of adults can actually digest lactose, the sugar in milk. In this short film... Read allHuman babies drink milk; it's the food especially provided for them by their mothers. But worldwide, only a third of adults can actually digest lactose, the sugar in milk. In this short film, we follow human geneticist Spencer Wells as he tracks down the genetic changes associate... Read allHuman babies drink milk; it's the food especially provided for them by their mothers. But worldwide, only a third of adults can actually digest lactose, the sugar in milk. In this short film, we follow human geneticist Spencer Wells as he tracks down the genetic changes associated with the ability to digest lactose, tracing the origins of the trait to less than 10,000... Read all