Cognitive health is focused on a personâs ability to think, learn and remember. The most common cognitive health issue facing the elderly is dementia, the loss of those cognitive functions. Approximately 47.5 million people worldwide have dementiaâa number that is predicted to nearly triple in size by 2050.
The sky view factor is the view factor from the surface to the sky. This is the ratio of the diffuse sky radiation received by the surface to that which would be received by the same surface if it were completely exposed to the sky.
For other uses, see Sky (disambiguation) . Sky plc is a British-based pan-European satellite broadcasting, on-demand Internet streaming media, broadband and telephone services company headquartered in London, with operations in the United Kingdom, Ireland, Germany, Austria and Italy.ky is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index. It had a market capitalisation of approximately Â£13.69 billion (â¬16 billion) as of 14 August 2014 on the London Stock Exchange.