MATHEMATICS OF RAGAS

When Frenchman Bernard Bel and American Jim Arnold met by chance in a Delhi hotel in September 1979, it turned out to be a momentous…

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Spate Of Senseless Tragedies

Qutab Minar, the 72.5-metre-high monolithic tower that Iltutmish built 750 years ago, witnessed two shocks in its hoary life-span. In 1368, it was struck by…

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Waterless World

Time was when ‘Glacial Speed’ used to mean ‘very, very slowly’. That has changed forever. We know that our planet is warming. New research shows…

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