kill

Former Conservative MP Michael Portillo pushes his body to the brink of death in an investigation into the science of execution. As the American Supreme Court examines whether the lethal injection is causing prisoners to die in unnecessary pain, Michael sets out to find a solution which is fundamentally humane. Armed with startling new evidence, Michael considers a completely new approach. Will it be the answer? There is only one way to find out - to experience it himself. (www.youtube.com)

This episode explores the insidious nature of chemical warfare employed by many animals. All manner of snakes, spiders, lizards and marine life have developed venoms, either as weapons of attack or defense.

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