Babylonian Pythagoras’ theorem, the early history of zero and a polemic on the study of the history of science Rahul Roy General Article Pages: 30 - 40
Lichens: A valuable bioresource for environmental monitoring and sustainable development Hans Raj Negi General Article Pages: 51 - 58
The Rijke tube — A thermo-acoustic device Shekhar M SarpotdarN AnanthkrishnanS D Sharma General Article Pages: 59 - 71
Century of Nobel Prizes: 1909 Chemistry Laureate Wilhelm Ostwald (1853–1932) R Shridhar Gadre General Article Pages: 77 - 83
The Nobel Prize in physics 2002 for the observation of cosmic neutrinos B Ananthanarayan Research News Pages: 89 - 91