Since the advent of general anaesthesia over 150 years ago it has been recognised that the price of human safety while unconscious is eternal vigilance by the caregiver, the ability to handle life threatening problems and a systematic analysis of error. John Snow, a pioneer of anaesthesia and clinical epidemiology, placed reliance on observation of the respiratory pattern and the pulse and such...

abstractart, architecture, literature of iran and of the world is full of creations which serves to respect  the nature and its elements with the aid of symbols and signs.cup marks, mithraic temples and temples to worship water and fire from the ancient world,recenttashtab and saqakhaneh all of them are representing the respect to the major elements of nature, especially water. on the other han...

Why did you choose the profession of scientific investigation? During high school at Seattle Prep, my favorite subjects were physics, chemistry, and math; there it was emphasized that scholarship required a deep and fundamental knowledge of subjects. In the Jesuit tradition, academic excellence, curiosity, and service are inextricably entwined. During those years, I decided that my mission in l...