Simon Thomas (presenter) 2:1 BA Hons degree in history. Having applied for the job three times, Thomas began presenting the children's programme "Blue Peter" on 8 January 1999 replacing the sacked presenter Richard Bacon. Previously he had worked as a runner at Children's BBC and the radio station LBC. During his tenure at "Blue Peter", he ran in the London Marathon twice and two Great North Runs, climbed Mount Kilimanjaro and Mont Blanc, completed over 40 solo sky dives with the Royal Air Force, presented a medal at the Commonwealth Games, ran in the 60 metres sprint at the Norwich Union Indoor Athletics
Cocaine additional effect of releasing methylecgonidine into the user's system due to the pyrolysis of the substance (a side effect which insufflating or injecting powder cocaine does not create). Some research suggests that smoking freebase cocaine can be even more cardiotoxic than other routes of administration because of methylecgonidine's effects on lung tissue and liver tissue. Pure cocaine is prepared by neutralizing its compounding salt with an alkaline solution, which will precipitate to non-polar basic cocaine. It is further refined through aqueous-solvent liquid–liquid extraction. Crack is a lower purity form of free-base cocaine that is usually produced by neutralization of cocaine