Martha Kearney takes to the skies with Ordnance Survey

Ordnance Survey show Martha Kearney the latest mapping technology for WATO50

10 July 2015

8 minutes

This clip is from

World at One—09/07/2015

Paul Johnson: "Poorer households have lost quite significantly"
Duration: 04:25

Can we trust claims of microplastics in our brains?
Duration: 03:33
2-star Michelin restaurant gets a 1-star hygiene rating - why?
Duration: 04:12
Can’t get motivated? This brain circuit might be why
Duration: 04:12
Evan and Sarah: Is the US being ripped off?
Duration: 10:36