Dangerous Earth

Episode 6: Iceberg

BBC Four

Duration: 30 minutes

First broadcast: Thu 8^th Dec 2016, 20:30 on BBC FourLatest broadcast: Mon 10^th Jul 2023, 19:30 on BBC Four HD

The latest scientific insights into icebergs, from side-scanning sonar scrutinising the edge of glaciers to pictures that give us a unique glimpse of how they transform over time. Show more

Contributors

Presenter:: Helen Czerski
Executive Producer:: Zoe Heron
Producer:: Catherine Wyler
Director:: Catherine Wyler

Dangerous Earth

Episode 1: Avalanche

BBC Four

Duration: 30 minutes

First broadcast: Thu 10^th Nov 2016, 20:00 on BBC FourLatest broadcast: Mon 24^th Oct 2022, 02:40 on BBC Four HD

Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Show more