Ramakrishnan a Great scientist and his crew made a research over how to safeguard human from the diseases which he gets affected. This research would help humans to live long life and make him to live more than 100 years. How it possible????? Humans age are limited by the diseases he gets affected, Scientist.Ramakrishnan research is over the topic that how to safeguard from the precoming diseases.... And he got nobel prize for his research along his crew..... He has drawn the Ribosome(Protein manufacturer in cell) structure and it is used to destroy any germs so that we can easily find vaccination and medicines to cure diseases created by the germs. Adding to that Scientist Ramakrishnan is a Tamilan, who got american citizenship and residing over the same.