Job roles: (A great overview of what each member of a game development team does)

http://creativeskillset.org/creative_industries/games/job_roles

Texturing & Materials: (an amazing infographic created by gametextures.com that really explains what goes in to a material step by step)

http://gametextures.com/blog/wp-content/uploads/2014/02/InfoGraphic_BasicMaterials2.png

Basic Modeling Terminology: a cross between a dictionary and a bible, for those new to modeling.

http://blog.digitaltutors.com/basic-3d-modeling-terminology/

Reference: a good article on using reference to your advantage when creating 3D art:

http://www.laurenscorijn.com/articles/importance-of-reference

Texturing: 

Normal Mapping: 

http://www.falloutsoftware.com/tutorials/gl/normal-map.html

Basic primer for 3D modeling: 
http://gamedevelopment.tutsplus.com/articles/3d-primer-for-game-developers-an-overview-of-3d-modeling-in-games–gamedev-5704

Optimization: 

http://www.cgmascot.com/design/low-poly-tips-2/

IKEA: 

http://www.cgsociety.org/index.php/CGSFeatures/CGSFeatureSpecial/building_3d_with_ikea

Interview:

An interview with a world-class 3D arist

http://www.makeuseof.com/tag/what-does-it-take-to-design-characters-for-mass-effect-3-and-other-hits-interviewing-world-class-3d-artist-rafael-grassetti/