Natural World - Deadly Vipers

Seizoen: 19 - Aflevering: 3 / 269 - Eerst uitgezonden: 22 oktober 2000 - Episode ID: 469544

Predators with the largest fangs of any snake and venom containing up to 50 deadly ingredients, vipers kill more people than any other animal. But now that medical science is beginning to discover the healing power of natural poisons, could this lethal reptile turn out to be a boon for mankind?