Chemistry: A Volatile History Chemistry: A Volatile History Chemistry: A Volatile History is a 2010 BBC documentary on the history of chemistry presented by Jim Al-Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Only in the last 200 years have we known what an element is – a substance that cannot be broken down further by chemical reaction. The Ancient Greeks, with no way of breaking open substances, could only base their ideas of the elements on what they could see: Earth, Fire, Water and Air. In the 16th century alchemists were busy trying to turn
Education sector responses to substance abuse sexual health, nutrition and bullying. In a curriculum, substance use prevention education is usually and most appropriately accommodated in a health-related subject area (variously termed healthy active living, health and family living, health and physical education, personal and social skills education, health and career education, life-skills education, etc.). Many schools choose also to supplement or replace the standard life-skills or other health-related curriculum with a manualized programme, i.e., a programme standardized through the creation of manuals and protocols for those who implement it. This has been shown by research to be effective in preventing substance use later in life and/