What is a poison? Something that may harm you if used wrongly.
Examples of wrong usage: Wrong amount Wrong person Wrong method
2 Perfect Poisons Arsenic Cyanide
Arsenic Earth’s crust – rocks, groundwater Well water e.g. South Asia Mining, smelting Industrial waste Fertilizer Source: UNESCO
Arsenic: famous poison
Symptoms Death Kidney, bladder cancer Skin pigmentation Lung cancer
Don’t smoke! Source: UNESCO
Cyanide in cigarettes Source: UNESCO
Cyanide Carbon and nitrogen compound Hydrogen cyanide Potassium cyanide Mining/ industrial areas Insecticides, pesticides Fires – smoke Cyanide fishing Photography Source: UNESCO
Small amount Quick death Source: UNESCO
Symptoms Death Suffocation Choking Rapid heart rate Nausea Dizziness Weakness Headache Source: UNESCO
Smell something? Aaack!
Key Sources A Brief History of Poisoning http://www.bbc.co.uk/dna/h2g2/A4350755 Arsenic http://www.greenfacts.org/en/arsenic/ Classic Poisons http://www.bbc.co.uk/dna/h2g2/A4113983 Cyanide http://en.wikipedia.org/wiki/Cyanide Painful Poisons by Nick Arnold (Horrible Science)