The rise of instant noodles. Also, British men dancing like Brazilians. (R)
BBC Radio 4
How robust is GPS and what are the consequences of the system's weaknesses?
BBC World Service
Why do we look back and yearn for the past, or recall sweet memories of our youth?
Rachael Garside finds out about sea otters and horse endurance.
BBC Radio Wales
Scotland targets Indian buyers to boost food exports.
Brett Westwood presents the story and sound of the serin.
What does fracking involve and what impact does it have on the environment?
With the illegal trade in ivory on the up, what is the future for Africa's elephants?
Tuesday 1 October 2013