The Life Scientific: Gareth Collett

Loading player...
Movies might have us believe that bomb disposal comes down to cutting the right wire. In fact, explosive devices are complex and varied - and learning how to dispose of them safely involves intense training, as well as the ability to stay calm under pressure. This was the world of Dr Gareth Collett, a retired British Army Brigadier General and engineer, specialising in bomb disposal; whose 32-year military career took him around the world, including heading up major ordnance clearance projects in Iraq and Afghanistan. After retiring from the army, Gareth became a university lecturer – but following his diagnosis with bladder cancer, started researching a possible link between bomb disposal veterans and higher rates of urological cancers. In conversation with Professor Jim Al-Khalili, Gareth discusses this ongoing research, dealing with PTSD - and why he just can't watch Oscar-winning movie The Hurt Locker...
22 Dec 2025 English United Kingdom Science

Other recent episodes

The Life Scientific: Gillian Forrester

What do the very first writhing movements of babies have in common with orangutans solving problems for food? Well, according to Gillian Forrester they may both offer clues about how we humans developed language. Working with her great ape colleagues, Gilly Forrester – Professor of Comparative Cognition at the University…
26 Oct 28 min

The Life Scientific: David Canter

Although books and movies might suggest otherwise, catching criminals is of course less about hunches and gut instinct, and more about gruelling analysis of hard data - including when it comes to the psychological side. David Canter is an Emeritus Professor of Psychology at the University of Liverpool, who took…
19 Oct 27 min

The Life Scientific: Edith Heard

Imagine looking at a map of a city you thought you knew inside-out, only to discover a collection of tightly knit neighbourhoods that nobody had ever realised existed... Edith Heard has achieved something rather similar with DNA. Edith is a leading expert in epigenetics: put simply, the science around how…
12 Oct 27 min

The Life Scientific: Ginger Kerrick

What do you do when your childhood dream of becoming an astronaut is grounded at the final hurdle? If you’re physicist Ginger Kerrick, you go on to help run the missions instead. After failing the medical of her astronaut application process, Ginger went on to become Nasa’s first non-astronaut CAPCOM…
5 Oct 27 min

The Ocean Within Us

Here's a little fact you might have heard before: Humans are around 70% water. About the same percentage as a sweet potato, incidentally. But what does that actually mean? Sure, there's blood, that accounts for some of it. And the lymphatic system has a fair amount too, sloshing around. There's…
28 Sep 28 min