Listening to the chirps of gravitational waves

A century after Albert Einstein predicted the existence of gravitational waves, after decades of hard work to detect them directly and nearly four months of rigorous scrutiny of data, an international team of scientists, which also included researchers from India, finally detected the most elusive waves stretching and compressing the fabric of space-time. The gravitational … Continue reading Listening to the chirps of gravitational waves

Less risk of skin cancer if exposed to UV radiation in the morning: Nobel Laureate Aziz Sancar

“If you really must go to a tanning booth, do it in the morning,” Aziz Sancar, from the University of North Carolina, Chapel Hill, U.S., who shared the Nobel Prize in Chemistry with two others — Tomas Lindahl of Francis Crick Institute and Clare Hall Laboratory, Hertfordshire, U.K. and Paul Modrich of Howard Hughes Medical … Continue reading Less risk of skin cancer if exposed to UV radiation in the morning: Nobel Laureate Aziz Sancar

Editorial: Thinking after acting

Published in The Hindu on December 26, 2011 The United States government, which funded two teams of scientists to research if the H5N1 influenza virus has the potential to trigger a pandemic, has developed cold feet — after reviewing papers containing detailed descriptions of the lethal strains. The papers have already been sent to two … Continue reading Editorial: Thinking after acting

Editorial: China’s rise in science

Published in The Hindu on March 26, 2010 President Barack Obama has earmarked $66 billion for non-defence research and development, which includes substantial funding for basic-science research, in his budget proposal for the fiscal year 2011. This six per cent increase over the 2010 budget allocation reflects the United States' anxiety to stay on top; … Continue reading Editorial: China’s rise in science

Rocking Charles Darwin’s tree of life

Published in The Hindu on February 12, 2009 Scientists have proposed a web of life as lateral transfer of genes is seen in bacteria, eukaryotes, plants and animals Charles Darwin’s oak tree with many branches to depicting the way in which one species evolves into many has been the simplest, yet the most effective way … Continue reading Rocking Charles Darwin’s tree of life

Catherine Verfaillie: Another stem cell fraudster

Published in The Hindu on October 30, 2008 Catherine Verfaillie, a University of Minnesota stem cell researcher, has followed in the foot steps of Hwang Woo Suk, the disgraced South Korean stem cell researcher who was charged with committing a fraud. Her 2002 paper in Nature took the world by storm — she had created … Continue reading Catherine Verfaillie: Another stem cell fraudster

Catherine Verfaillie: Another stem cell fraud surfaces

Published in The Hindu on April 12, 2007 Even as the U.S. senate debates on expanding federal funding for embryonic stem cell research, it may be remembered that the claims professed in many papers of adult stem cells becoming any specialised cells should be taken with a pinch of salt. That is even when the … Continue reading Catherine Verfaillie: Another stem cell fraud surfaces

Bird flu: shorter interval between outbreaks

Published in The Hindu on February 8, 2007 A second instance of avian influenza spreading across the globe and to countries far away from Southeast Asia, the `epicentre' for the virus, seems real. The lethal H5N1 virus has been recently found in a farm in Suffolk in Britain. Many countries where bird flu outbreaks were … Continue reading Bird flu: shorter interval between outbreaks

New bird flu strain emerges

Published in The Hindu on November 9, 2006 In a move that is hardly surprising, China has denied the emergence of a new bird flu strain - Fujian-like - that was reported very recently in the journal Proceedings of the National Academy of Sciences (PNAS). The new strain, first identified in March last year by … Continue reading New bird flu strain emerges