In New York, skylights are a coveted design feature. These examples double as functional works of art. By Craig Kellogg and Ashok Sinha A loft in a 19th-century warehouse, a four-bedroom house in ...

The word 'dementia' describes a set of symptoms that over time can affect memory, problem-solving, language and behaviour. Alzheimer's disease is the most common type of dementia. Dementia is a group ...