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In the process of understanding the world, human beings have discovered many toxic elements, such as mercury, arsenic, lead, thallium and antimony. Their use has driven the progress of our civilization, but on the other hand, they are also harmful to our health. Exposure to toxic elements is a process that human beings have to go through to understand and change the world. And this process bears witness to human courage, intelligence and irrepressible curiosity.
Continue reading The Elements of Murder: A History of Poison HD PDF
