01:49
Codes of Life: Temperament Studies
Temperament, or behavioral style, seems to be genetically influenced, as parents with several children will attest. Jerome Kagan highlights three areas in which researchers find temperamental biases: reaction to things that are new or unfamiliar...
03:52
Food for Thought: Dietary Guidelines: My Pyramid
Many countries have established dietary guidelines to help people determine how much of any one nutrient is enough. Because people are different, their nutritional needs are also different; there is no one size fits all. That is why in 2005, the Uni...