LOW COST BIO-ADSORBENT-Lalita Prasida Sripada Srisai(13) winner of the 2015 google Science Fair(community impact)
This study reveals a novel and cheap method of cleaning waste water from domestic and industrial sources by utilizing one of the most under-utilized agricultural wastes. The present study is based on the scientific principles of Adsorption by immobilizing the contaminants with the help of corn cobs. Corn is a major crop plant, every part of which is utilized except the cob. In this project an attempt was made to utilize this less-utilized plant part to clean one of the most precious natural resources, water.Read it here( click here )
If you are interested in seeing her presentation view it here

Scientific American sponsors the Community Impact Award, which honors a project that makes a practical difference in a community by addressing an environmental, health or resources challenge. Lalita Prasida Sripada Srisai, 14, a class IX student from Damanjodi in Koraput district in Odisha of India, will receive a total $10,000 in funding and a year of mentoring for her project on using corn cobs to absorb toxins in water.
http://www.thehindu.com/news/national/other-states/odisha-girl-wins-award-at-google-science-fair/article7678373.ece