The National Research Council of Canada, Construction Division, has released a new edition of their Guide to Calculating Airborne Sound Transmission in Buildings. A copy is available free at the web address noted below. The introduction to the Guide reports that “The International Standards Organization (ISO) has published a calculation method, ISO 15712-1 that uses laboratory test data for sub-assemblies such as walls and floors as inputs for a detailed procedure to calculate the expected sound transmission between adjacent rooms. . . .
Improve Mood/Increase Feelings of Wellbeing
Niedermeier, Einwanger, Hartl, and Kopp studied how people respond to time in nature. The team investigated the emotional implications “of a three-hour outdoor PA [physical activity] intervention (mountain hiking) compared to a sedentary control situation and to an indoor treadmill condition. . . . healthy participants were randomly exposed to three different conditions: outdoor mountain hiking, indoor treadmill walking, and sedentary control situation (approximately three hours each). . . .
Garden type and perceived restorativeness related
Green boosts workers' professional experiences
Vegetation cover and mental health are related
Form and culture: linked
Compelling and concrete insights on cities designed for positive living
Often workplaces are redesigned during periods of organizational change and research released by the American Psychological Association indicates that organizational change can be very stressful. Workplaces can be designed to defuse at least some of that stress and the knowledge that it is present should inform the interpretation of research data, for example, information collected in the course of a post-occupancy evaluation. The APA press release reports that “American adults who have been affected by change at work are more likely to report chronic work stress, less likely to trust the
Speer and Delgado report that thinking about happy memories enhances wellbeing when people are stressed. Their study “explored whether recalling autobiographical memories that have a positive content—that is, remembering the good times—can dampen the hypothalamic–pituitary–adrenal axis stress response.” Study participants were stressed psychologically by the researchers and the scientists then determined that “recalling positive, but not neutral, memories resulted in a dampened cortisol rise and reduced negative affect [mood] . . . .
Panza and his team investigated links between levels of physical activity and wellbeing. They learned that “light-intensity physical activity [was] positively associated with [subjective] psychological well-being . . . and negatively associated with depression . . . moderate intensity negatively associated with pain severity . . . and positively associated with psychological well-being; sedentary behavior negatively associated with psychological well-being and positively associated with depression. . . .