Young scientist invents device that detects lead in water
Eleven-year-old scientist Gitanjali Rao wins the 2017 Discovery Education 3M Young Scientist Challenge for inventing a device that detects lead in water. Roselle Chen reports.
Eleven-year-old scientist Gitanjali Rao wins the 2017 Discovery Education 3M Young Scientist Challenge for inventing a device that detects lead in water. Roselle Chen reports.
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