Check out the Unreal Motion Graphics UI and Skin Rendering/Subsurface Materials examples in versions 4.6 and later!
The Content Examples project has been built to help you quickly get up to speed with a variety of different techniques and artistic applications for building your own games. Along the walls of each room, you will find any number of demo stations, at each of which you will see various applications of the topic at hand.
Topics covered in this project include: Animation, Audio, Blueprints, Landscapes, Materials, Physics, and more!
UE-Only Content - Licensed for Use Only with Unreal Engine-based Products