In this episode Razor's correspondents investigate the development of a universal anti-venom which could save thousands of lives, they look into an Iceland-based company turning CO2 into stone, and examine engineers racing to develop the world's most fuel efficient cars.
Emma Keeling visits Iceland, where researchers have discovered a carbon capture technology that could allow greenhouse gas to be removed from the atmosphere and fixed into rock on the sea bed.
Shini Somara tries her hand at eco racing, taking the wheel of the environmentally-friendly equivalent of a Formula 1 car, for a rather leisurely ride.
And the team is at the Liverpool School of Tropical Medicine in a room full of the world's most deadly snakes.
Watch the video for the full episode.