Americans Elizabeth Blackburn, Carol Greider and Jack Szostak were named winners of the 2009 Nobel Prize in medicine on Monday for research that has implications for cancer and aging research.

Germany's Harald zur Hausen and French researchers Francoise Barre-Sinoussi and Luc Montagnier shared the 2008 Nobel Prize in medicine on Monday for discovering the AIDS virus and the role of viruses in cervical cancer.

Researchers in Germany have mapped over 5,000 proteins present in embryonic stem cells in a bid to understand the mechanism of their conversion into other cells.

A Chennai-based scientist has claimed to have developed new medicines that effectively tackle diabetes, asthma and smoking-related diseases.

A research team led by an Indian American scientist has challenged the validity of a prototype gene treatment based on Nobel prize winning work.