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 second lightest and the second most abundant element known to humans was discovered independently by French astronomer Jules Janssen and British scientist Norman Lockyer during a Total Solar Eclipse on August 16, 1868. Because of this, it's named after the Greek word for the Sun - Helios.