• Master of Arts in Education and Human Development in the field of assessment, testing, and measurement in education (http://bulletin.gwu.edu/education-human-development/ masters-program/education-human-developmentassessment-testing-and-measurement) • Master of Arts in Education and Human Development in the field of education policy studies (http://bulletin.gwu.edu/ education-human-development...

A grandmaster and an international chess master were compared with a group of novices in a memory task with chess and non-chess stimuli, varying the structure and familiarity of the stimuli, while functional magnetic resonance images were acquired. The pattern of brain activity in the masters was different from that of the novices. Masters showed no differences in brain activity when different ...

BACKGROUND Exposure to intermittent magnetic fields of 16 Hz has been shown to reduce heart rate variability, and decreased heart rate variability predicts cardiovascular mortality. We examined mortality from cardiovascular causes in railway workers exposed to varying degrees to intermittent 16.7 Hz magnetic fields. METHODS We studied a cohort of 20,141 Swiss railway employees between 1972 an...