The singer is running, cycling and rowing between Manchester and London to raise money for charity.
Low water levels forced the closure of the Northampton Arm in August.
Research overturns the belief children did not receive hospital treatment until the Victorian era.
Unless there is more rain, the Grand Union Canal and the Northampton Arm will be shut.
The tree in Stoke Bruerne will be cut back rather than removed after opposition in the village.
What is it like for the volunteers who keep England's smallest attractions going?
Both drivers were injured in the crash which involved cars travelling in opposite directions.
Canal boat Sculptor, which supplied water during the Blitz, has returned to a Stoke Bruerne museum.
Volunteers tell of the honour of caring for local beauty spots, as a charity marks its anniversary.
