Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly genetically identical cells. Depending on the organism, these cells arrange ...

Human societies have long depended on the division of labor to thrive—walk into any town, and you can probably find bakers baking bread, truck drivers driving that bread to market and grocers selling ...

How did the characteristic pattern of embryonic cell divisions during animal development evolve? Analysis of the multicellular development of an organism related to animals now provides some answers.

A collaborative study by scientists at the University of California, Riverside, and University of Southern California reports on how a process known as alternative splicing, often described as ...