BBC Radio 3 - The Essay - Available now

Ian Sansom—Dawnwalks

4/5 The attractions of daybreak... when five writers set off on foot - and report back.

3/5 The attractions of daybreak... when five writers set off on foot - and report back.

2/5 The attractions of daybreak... when five writers set off on foot - and report back.

1/5 The attractions of daybreak... when five writers set off on foot - and report back.

5/5 Lucy Winkett argues efforts to give eternity a shape and momentum are temporary and futile

4/5 Novelist and game creator Naomi Alderman spekas on mathematical theories about infinity.

3/5 Anders Sandberg argues that ageing and mortality may be transformed by future technology.

2/5 Muslim theologian Mona Siddiqui speaks on the prospect of immortality.

1/5 How eternity should be reclaimed from those who have tried to place it out of our reach.

5/5 Untangling the many definitions of 'care' we may encounter over the course of a life.