The extraordinary world of the cell

Eukaryotic cell with its organelles

Each human being is made up of 5 trillion to 10 trillion cells, and each cell is “a small universe” with its own tremendous complexity, Harvard Professor Robert A. Lue told his audience at the Ed Portal, drawing from his upcoming HarvardX course Cell Biology: Mitochondria. This course takes a human-centered approach to the fundamentals of cell biology with a focus on the power plants of the cell - mitochondria. As Lue notes, “There’s a lot that goes on inside cells that is truly remarkable, and that has tremendous relevance for us and our own health." Read more