Venom, the deadliest natural weapon employed in the animal kingdom, has independently evolved in creatures as diverse as jellyfish, insects, snakes and even mammals. Scientists from around the globe show how evolution adapted venom to fit the needs of the animals who wield it. Injecting venom into samples of his blood, Australia's Bryan Fry demonstrates how the world's deadliest snake, the inland taipan, has converted the building blocks of its body into lethal toxins.Meanwhile, Toto Olivera will introduce us to the cone snail, pound-for-pound the most toxic creature in the world, able to continually update their chemical cocktails with the help of the world's fastest-evolving genes, guaranteeing they stay one step ahead of their prey.

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Documentary