You probably remember learning that the nucleus is the control centre of a cell, the place where DNA stores the instructions needed to build and maintain a living organism. It is a useful explanation, although it leaves out an unusual detail. Scattered throughout many of your cells are tiny structures called mitochondria, and they carry …
Fun Fact: Did you know your cells can borrow powerhouses from each other—literally? For over a century, biology textbooks taught us that mitochondria—the so-called “powerhouses of the cell”—live quietly inside individual cells, converting food into energy and minding their own business. But recent discoveries suggest that mitochondria might actually be on the move—travelling between cells …