How Health Affects a Child's School Performance. Health care providers often advise parents and teachers that children can learn at optimal levels only if they are healthy, says Howard Taras, M.D., Acting Chief of Community Pediatrics at the University of California, San Diego (UCSD) School of Medicine. Taras should know.
Mullion. A mullion is a vertical element that forms a division between units of a window, door, or screen, or is used decoratively.When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening.ts secondary purpose may be as a rigid support to the glazing of the window. When used to support glazing, they are teamed with horizontal supporting elements called transoms. In the commercial door industry, the term is also applied to a piece of hardware that divides the opening of a pair of doors.
When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening. Its secondary purpose may be as a rigid support to the glazing of the window.When used to support glazing, they are teamed with horizontal supporting elements called  transoms .In the commercial door industry, the term floating mullion is also applied to an interlock profile which is fitted in between a pair of double swing doors. mullion acts as a structural member, in most applications the mullion transfers wind loads and weight of the glazing and upper levels into the structure below. Although in the instance of a curtain wall screen, the mullions only support the weight of the transoms, glass and any opening vents installed.