http://www.physiologyweb.com/calculators/michaelis_menten_equation_interactive_graph.html Physiology.web often has very useful calculators and explanations. Their interactive Michaelis Menten equation grapher is a very nice way to explore what can be a difficult concept to grasp.
There is an excellent resource by Paul Ellis at: http://effectsizefaq.com where I just clicked on http://effectsizefaq.com/2010/05/30/how-do-researchers-confuse-statistical-with-substantive-significance/ This page talks about the problem with p-level being the be-all and end-all of way too many scientific studies. You might be aware that there is discussion about this in the scientific literature. (I think statisticians deserve prizes for […]