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  1.Age of the bronce 2500 a 1000 a.c
 2.Age of the iron 900 a 500 a.c
 3.Babilonicos and egipcians 1200 a.c
 4.find minerals and metals.
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  1.Century 1 a.c (Reaction)
 2.Century 8 and 12 d.c
 3.The first of manipulate the elements
 4.The first of find new technique of investigation
 4.The goals are find the elixis and find the filosofal rock
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  1.The rebirth of the chemistry
 2.Looks like Paracelso
 3.Find the medicine
 4.Paracelso improve the medicine vegetable.
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  1.45.000 born caveman
 2.Egipcians contributed colouring,essence,soap and textiles.
 3.discovery the fire and other resources.
