After that there were lectures about definition of news, principles of news writing, the concept of Inverted Pyramid in news writing , the principles of 5 W's and one H.

UNESCO: Communication and Information

They are in the vanguard of what is called "hard" science fiction, in which most of the writing is based on actual scientific principles.

FORBES: Inventing The Future

Rob was writing about the problems in Europe, but the principles are the same everywhere.

FORBES: Ugly Choices Ahead For Central Bankers: Will The Yen Drop 50%?

Alphabetic writing is a brilliant invention that takes about two weeks -- in those languages that respect the principles.

BBC: NEWS | UK | Magazine | Should we simplify spelling?