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India-Born Scientist Identifies 400-Mn-Year-Old Fossils In U.S.
Bhubaneswar: The pre-historic legacy of what is now the United States could be redefined thanks to an Indian-born scientist in a New York university who has identified fossils that may be as old as 400 million years through a technique that can benefit many other researchers.
"The techniques I developed and used for identifying fossils so old can also be used to help identify extinct species and enable scientists understand the natural and human causes behind crises in the biodiversity sphere and the collapse of ecosystem," Rituparna Bose, an adjunct assistant professor at the City University of New York,"
Bose, 33, who was born in Rourkela in Odisha, said she used geometric morphometrics - a relatively new method for measuring the shape of organisms - to study the very subtle differences between species and to better understand how they changed with time. Her work was centred on fossils that were found in Ohio and Michigan.
Today, classification of plant and animal species is usually based on visual assessment of external shape and size. In other words, organisms that look different from one another are grouped differently. Thus, scientists were finding it difficult to measure the subtle differences between species, especially where no genetic or behavioral data is available.
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Source: IANS
