Dental amalgam controversy from July 2018 onwards, the EU Mercury Regulation prohibits the use of dental amalgam in children under 15 years old and pregnant or breastfeeding woman. Additional requirements include the use of pre-encapsulated mercury and ethical disposal of waste amalgam. The British Dental Association (BDA) has worked with the Council of European Dentists (CED) to prevent an immediate ban of amalgam until further research into practicalities has been undertaken. The European Commission will report to European Parliament by June 2020, and to the European Council by 2030 regarding the viability of ending dental amalgam use by 2030. Dental amalgam controversy This
Women in chemistry the only woman to be award two Nobel prizes). Her prize in chemistry was for her "discovery of the elements radium and polonium, by the isolation of radium and the study of the nature and compounds of this remarkable element." Irene Joliot-Curie, Marie's daughter, became the second woman to be awarded this prize in 1935 for her discovery of artificial radioactivity. Dorothy Hodgkin won the prize in 1964 for the development of protein crystallography. Among her significant discoveries are the structures of penicillin and vitamin B12. Forty five years later, Ada Yonath shared the prize with Venkatraman Ramakrishnan and Thomas