Jon Cuthill heads for Dorchester-on-Thames to find out more about why ancient man wanted to live there and what makes this such a key site for British archaeology.
Plus Sam Smith follows one man's campaign to improve boat safety following the death of his son.
Passengers on the London to Brighton line could have been killed because of years of maintenance work failures in a Victorian tunnel, a whistle-blowing rail engineer has claimed.
A report into the incident also highlighted Network Rail failures that left large girders hanging inches above trains.
Read the full story and watch the video feature on the BBC News website.
|Series Producer||Jane French|