Working with precious stones, Caroline Scheufele finds it difficult to pick a favourite, but she is particularly mesmerised by green gems.

While on the subject of perceptions, it is relevant to recall the well-known, but pertinent, old parable that originated in ...

From heart attacks to lung conditions, discover when chest pain demands immediate attention and the key differences between ...

California is home to more national parks than anywhere else in the US but where are the best national parks in California?