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| 1. |
Who wins 2017 Young Scientist Challenge for water contamination detection device? |
| Answer» Indian-American Gitanjali Rao, 11, was announced the winner of Discovery Education's 3M Young Scientist Challenge. The sensor-based device detects the quality of water and shares the results to a mobile application via Bluetooth. There are over 5,000 water systems in the US alone with lead contamination issues. Detection and preventive action can help mitigate the problem. | |