Also referred to as pleural effusion or ' fluid on lungs ', the condition is commonly diagnosed among TB patients. Normally, there is a small amount of fluid surrounding the lungs but in TB there is bacterial growth in the fluid filled space between the chest wall and the lungs.
Following are the equations of several nuclear reactions that have important roles in the history of nuclear chemistry: 1  The first naturally occurring unstable element that was isolated, polonium, was discovered by the Polish scientist Marie Curie and her husband Pierre in 1898. It decays, emitting Î± particles:
  The penicillin was discovered by Alexander Fleming in the year 1928. He discovered it by chance when he was going to show some petri dishes to his former Lab Assistant D. Merlin Pryce.9 people found this useful.e didn't. Alexander Fleming discovered Penicillin but Florey and Chain developed it and also mass produced it. Fleming discovered penicillin in 1928 and Florey and Chain deve â¦ loped it during the second World War.