Do We Sleep Forevermore When the Music Ends?

This represents an attempt to "cast a cold eye on life, on death"; it addresses three interlinked topics. Firstly, the foremost causes of human death and how they have changed during history and prehistory. Secondly, why, despite major advances in medicine and science, our lifetimes are limited to little more than 120 years. Finally, what happens to our physical bodies and individuality after we cross the great divide.