We have all heard of the Indus Valley Civilisation.It is well known for its granaries, drainage systems and systematically planned cities like Harappa and Mohenjodaro. However, not much is known about its rise and fall; although there are various theories. In a pair of new studies published in the journals Science and Cell, a consortium of international researchers, including those from India, have tried to decipher the origins of present-day Central and South Asian people. They have used recent advances in genetics to extract and analyse genetic material (DNA) from the remains of several ancient populations, including people from the Indus Valley Civilisation.
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An international team of researchers focus on a representative sample of languages to reconstruct the Dravidian language family tree by using first-hand data, to understand how old the languages are and how they are related.
Researchers from the Sharma Centre for Heritage Education, India, find stone tools in the sediments of Attirampakkam, a small town near Chennai which are dated to be 3,85,000-year-old. This finding gives us a new understanding for how and when human migration out of Africa might have taken place.
From their first appearance on the academic scene as a tool for dissection to making it into mainstream medicine and cosmetics in the recent years, microneedles have an array of applications. Dr.Venuganti and a team of researchers from the Birla Institute of Technology and Science, Hyderabad and the US Food and Drug Administration, recount the journey microneedles have made through the years and the range of possible applications in the future.