Core77 has an excellent area of their site called Hack2Work. It is filled with interesting tips and thoughts on the world that we work in, DESIGN. Articles include How to Make Your Client's Logo Bigger Without Making Their Logo Bigger by Michael Bierut, Dos and Don'ts for Designers Dealing with Business by Helen Walters, Consider Freelancing or Coworking, Why Does the Firm Own Everything I Do? Intellectual Property & You by Katy Frankel plus many many more. You have to explore and see all the articles at Hack2Work.