This tutorial walks through the basic structure and shading needed to draw realistic eyes. It explains how reference, line ...

Drawing a wolf head from different sides helps artists understand structure, balance, and realistic proportions. This ...

Cryoelectron microscopy is a method for imaging frozen-hydrated specimens at cryogenic temperatures by electron microscopy. Specimens remain in their native state without the need for dyes or ...

Electron microscopy uses a beam of electrons to illuminate a sample and achieve much higher spatial resolution than light microscopy. Transmission electron microscopy generates an image of the ...