Forget homemade volcanoes and models of the solar system. Today’s science fairs feature self-driving cars and computer-generated simulations of galaxies. And the prizes, if you’re really good, award way more than extra credit. The most ambitious young inventors have…

Could a small device that produces a common disinfectant be a key to helping stop the spread of Ebola? Seattle-based nonprofit organization PATH develops innovative medical tools for low-income countries. The NewsHour’s Cat Wise reports on their recent innovations.

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