There’s unexpected movement in the world of cell biology — specifically, with the energy factories known as mitochondria. Ever since they were discovered in the mid-nineteenth century ...

To build the map, researchers at Columbia University and the University of Bordeaux took a slice of a frozen human brain and, ...

Biologists soon uncovered new connections between mitochondria and aging—connections that draw on mitochondria’s unusual origins. Some 1.4 billion years ago, somewhere in Earth’s primitive ...

A comparison can be used to draw a physical relationship between two or more objects. For instance, the length of the leaf cell above is ten times the diameter of a red blood cell. If you increase ...