Degrees of Whiteness
Professor of American studies and history Matthew Frye Jacobson talks about violence carried out against immigrants, as well as a curious duality in the way European immigrants were viewed in the early twentieth century...
Denominator of a Simplified Expression Never Has Radicals, The
A guideline is presented: a simplified radical expression never has radicals in the denominator. An expression with a radical in the denominator, but not in the numerator, is simplified using the identity property of mul..
Depreciating Business Assets
The advantages, from a business perspective, of spreading the value of an asset over several years. This lesson also distinguishes between tangible and intangible assets.
Depression and Medication (Part One)
Dr. Andrew Leuchter, Director of Adult Psychiatry at UCLA, explains that it often takes time for a patient to realize he or she is doing better after beginning medication. "Commonly, the first things to improve are sympt..
Depression and Medication (Part Two)
Dr. Andrew Leuchter, Director of Adult Psychiatry at UCLA, talks about the link between the severity or frequency of depression episodes and the appropriate medication indicated. Dr. Leuchter notes that most of the avail..
Depression and the Brain
Dr. Andrew Leuchter, Director of Adult Psychiatry at UCLA, talks about brain-mapping and other techniques for looking into the brain that may predict whether a patient suffering from depression is going to benefit from a..
Depression or Anxiety?
Dr. Andrew Leuchter, Director of Adult Psychiatry at UCLA, talks about the overlap between anxiety and depression, noting that, "...it's hard to know where one ends and the other begins."
Depression: Available Treatments
Dr. Andrew Leuchter, Director of Adult Psychiatry at UCLA, talks about treatments available to treat depression. In general, Dr. Leuchter explains, there is a two-pronged approach used, consisting of psychotherapy, coupl..
Descartes and the Greeks (Part 3)
Philosopher Stephen Toulmin concludes his discussion of the contrasting origins of philosophy, focusing here on Aristotle. Professor Toulmin notes that Aristotle had grown up in a medical family and was more impressed by..
Descartes and the Greeks (Part One)
Philosopher Stephen Toulmin draws parallels between Descartes and Plato, arguing that both lived in a perilous time during which they tried to demonstrate "... in a quasi-mathematical way that we have a system of ideas w..