People often feel unhappy in the morning but better later in the day, and this pattern may be amplified in the distressed. Past work suggests that one function of cortisol is to energize people in the mornings. In a study of 174 students we tested to see if daily affect patterns, psychological...

People often feel unhappy in the morning but better later in the day, and this pattern may be amplified in the distressed. Past work suggests that one function of cortisol is to energize people in the mornings. In a study of 174 students we tested to see if daily affect patterns, psychological...

As a result of a variety of political, social and economic factors, photovoltaic installations are increasing rapidly throughout the United States. Renewable development has varied immensely across states; this research seeks to discern if state public policy is causing these discrepancies. Is...