You’ll find water everywhere – from rock pools to swimming pools. Is all water good to drink? Is there any that we should avoid? Hallux finds out.

The Great Fire Trail: a free Time Hunters history walk around the City of London
1:02:38

Marina Ventura and The Micro-Gridders: Your Go... Designing A Grid of the Future
04:40

Marina Ventura and The Micro-Gridders: Energy Guzzlers
05:27