British scientists are embarking on a groundbreaking mission to look for signs of life deep beneath the ice of Antarctica.

The British Antarctic Survey will use a hot-water drill to bore down to a lake buried beneath 3km of solid ice in West Antarctica.

What they find beneath the ice could give clues to the origins of life and how climate change may affect the planet.

Al Jazeera's Rory Challands met with the scientists in Cambridge before they set off.