Theories of Information Models on the generation, transmission and use of information. Based on Shannon and Weaver model.
Information increases as precision increases.
Obsolescence Recency topical changes when serum cholesterol link to coronary artery disease was first discovered, no evidence that lower cholesterol was beneficial. Recently, not everyone benefits and sometimes adverse effects. Physics Textbooks out dated when published. Meta analysis Results from different studies on the same topic are combined to give a much larger and statistically sound sample for drawing conclusions. Important advances unmentioned, ineffective treatments continued.