A team of scientists has developed a solution for an ancient and important problem
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[1] http://admin.indiaenvironmentportal.org.in/news/prime-achievement
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/research
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kanpur-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/internet