Did humans and Neanderthals coexist in Europe?

Published in The Hindu on May 12, 2011 How long back did the last of the Neanderthals walk in some parts of Europe, and for how long did they live after the arrival of modern humans into Europe? Data gathered till date based on carbon dating techniques of Neanderthal remains found in different parts of … Continue reading Did humans and Neanderthals coexist in Europe?

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Editorial: Hyping up science

Published in The Hindu on January 13, 2011 Science when hyped loses credibility. Two separate incidents in a span of three weeks show how scientists who hype up and sensationalise their work end up diluting the significance of their discovery. In a paper published online in the Science journal in the first week of December … Continue reading Editorial: Hyping up science

Editorial: Neanderthal genes in us

Published in The Hindu on May 15, 2010 Did Neanderthals and modern humans interbreed? While several methods, including the study of mitochondrial DNA of Neanderthals, failed to resolve this longstanding controversy, a comparison of the genomes of Neanderthals and modern humans shows that between 1 and 4 per cent of the DNA of humans living … Continue reading Editorial: Neanderthal genes in us

New species in human’s family tree found

Published in The Hindu on March 25, 2010 A team of scientists has successfully sequenced mitochondrial DNA (mtDNA) of a hominin who had lived in the Altai Mountain region of Siberia, Russia. This hominin had shared a common ancestor with anatomically modern humans and Neanderthals about 1 million years ago. Further investigation reveals that the … Continue reading New species in human’s family tree found

Editorial: A giant leap in sequencing Neanderthal genome

Published in The Hindu on February 25, 2009 The successful completion of a rough draft of the Neanderthal genome — this is the first time that a genome of an extinct organism has been sequenced — marks a giant leap in evolution science. The announcement coincided with the 200th birth anniversary of Charles Darwin. The … Continue reading Editorial: A giant leap in sequencing Neanderthal genome

Unlocking the secrets of human evolution

Published in The Hindu on February 19, 2009 Preliminary study of the Neanderthal genome reveals many thousands of differences between the two closest relatives The genetic makeup of chimpanzees and modern humans differ by only 1 per cent. And in the case of Neanderthals, the difference is as small as 0.5 per cent. The rough … Continue reading Unlocking the secrets of human evolution