Canadians spend approximately 90 per cent of their days indoors, which leaves little time for exposure to natural daylight.

Vitamin D is a crucial element that our bodies require for multiple functions. In addition to promoting strong bones, teeth, and muscles, it assists in regulating the absorption and retention of ...

Windows have one basic limitation: They let light in, but if you want to keep light out you have to use blinds or a curtain. Researchers at Japan’s National Institute of Advanced Industrial Science ...

Regular window blinds already help people to save electricity – by keeping incoming sunlight from heating a room up, they reduce the need to run an air conditioner. SolarGaps, however, take things a ...