Fluoride in our water
On their May 21 ballot, Portland voters get the chance to choose whether or not their tap water will have fluoride ... help prevent tooth decay. The federal Centers for Disease Control and Prevention (CDC) started recognizing water fluoridation as a safe ...
What Is Blood Sugar? What Is Blood Glucose?
Blood sugar ... maintaining a condition of stability or equilibrium in the blood's internal environment (homeostasis) is necessary for our bodies to function. The use of the word "sugar" in "blood sugar" is a colloquial term, a misnomer. Glucose, one ...
What is an individual?
Rob Wilson has a new entry up at the Stanford Encyclopedia of Philosophy, entitled “The Biological notion of an individual”. It discusses an interesting problem, one that goes ... of properties that maintain some kind of homeostasis.
Pain really is in the mind, but not in the way you think
This sobering reality draws up some interesting reflections on pain itself. What is pain? Is it simply a symptom of tissue damage or is it something more complex? One way to approach this ... the normally pleasantly warm water, painfully hot?
What is “Wilderness”? Why Protect it? A Mission for the Future…
The ambiguity of our relationship with wilderness was illustrated very well by Roderick Nash: “On one hand ... This vast ecosystem functions as an organism, regulating and maintaining itself, maturing and changing - evolving with the unpredictability ...