Science is the Contemporary Pandora -Pandora box, it can launch evils that exceed our imagination if we misuse and understand its purpose. It can be the cause of the destruction of humanity if we leave our consciences and humanity outside the equation. Sometimes the science abandoned its conscience and allowed himself to overcome, asking all the hidden questions, and what was produced was terrifying and frightening. If asked: What are the most evil scientific inventions in human history? What will you answer? This is what the summary is trying to do, to answer this question.