Top 5 Deadliest Substances on Earth
There are natural poisons that lurk in bacteria, plants, and fungi pretty much everywhere, and they're there for good reasons (according to the organisms that produce them) - but what is it...
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It's a story straight out of a Bond film. On September 7th, 1978, Bulgarian journalist Georgi Markov, a communist defector working for the BBC, was walking across the Waterloo Bridge in London, when he felt a slight sting in his right thigh. He looked behind him and saw a man picking an umbrella up off the ground. By that evening he had developed a fever. Four days later he was dead. The cause of death: poisoning. Markov had been assassinated using an umbrella rigged to fire a pellet laced with one of the most powerful natural toxins in the world: Ricin. Ricin is one of the deadliest natural substances that is not found in an animal. It's found in the beans of the castor plant. Just 500 micrograms of this stuff, that's 5/10 000 of what a paperc...
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It's a story straight out of a Bond film. On September 7th, 1978, Bulgarian journalist Georgi Markov, a communist defector working for the BBC, was walking across the Waterloo Bridge in London, when he felt a slight sting in his right thigh. He looked behind him and saw a man picking an umbrella up off the ground. By that evening he had developed a fever. Four days later he was dead. The cause of death: poisoning. Markov had been assassinated using an umbrella rigged to fire a pellet laced with one of the most powerful natural toxins in the world: Ricin. Ricin is one of the deadliest natural substances that is not found in an animal. It's found in the beans of the castor plant. Just 500 micrograms of this stuff, that's 5/10 000 of what a paperc...
