Multicellularity is one of the most profound phenomena in biology, and relies on the ability of a single cell to reorganize itself into a complex organism. It underpins the diversity in the animal ...

When a cell divides, it performs a feat of microscopic choreography—duplicating its DNA and depositing it into two new cells. The spindle is the machinery behind that process: It latches onto ...

Scientists have a solid understanding of what makes up spindles — the cellular machinery that separates chromosomes — but are less certain about how the building blocks of spindles, called ...