Jean-Paul Sartre's masterpiece Being and Nothingness (1943) made him one of the great modern philosophers of freedom. Though long and very difficult to read, his purpose was to drill down to find the heart of our being.

By showcasing pornography made by and for women, Dusk has become part of a growing sea change in the porn industry.

The very latest thinking is that those who score high on self-control lead lives characterised by effective habits and routines, rather than deploying that much active resistance. Better self-control seems to involve avoiding temptations, rather than resisting them.

It's 2012, the age of instant. We all want quick answers to complex questions but when we try to find them, there's so much information out there, we're bamboozled by choice. Its especially the case with sex. There's a surplus of information about it (some great, some bollocks) - hands up who's bewildered by the overabundance of it all?