In our February issue, Steven Reiner describes how lymphocytes make use of a highly unusual type of division to create two different kinds of cells: effector and memory. Here, you can see this ...

It's long been assumed that when a parent cell divides into two daughter cells, the parent assumes a spherical shape, which then splits into two cells that have roughly the same, round size. But a new ...

The olfactory system is essential for most animals: it supports postnatal survival, detects environmental hazards and mediates emotional, social and nutritional behaviors.

An organism grows and repairs its body using a form of cell division known as mitosis. To divide, a cell must replicate the chromosomes, which carry the DNA (the instructions needed to build the body) ...