In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes.

Two studies by scientists at the University of Chicago have demonstrated a new way to look into the inner workings of cells—in particular, to track the flow of ions inside the many tiny organelles ...

Organelles perform the fundamental processes that help cells (and hence organs, tissues, and organisms) stay alive and operative. In the past several decades, transmission electron microscopy (TEM) ...