Ancient system could bring water to dry areas

Some of Africa's dry areas face serious water shortages due to minimal rainfall. An ancient system of drawing water from aquifers, the "qanat system," could help. Gaathier Mahed, an environmental scientist and expert on the ...

Dogs, antennas and honey for Japan's big bear problem

Thousands of bears are being shot in Japan each year as they become more and more of a problem. Junpei Tanaka and his dog Rela, straining at her leash in the woods, have a kinder, smarter way.

AI can teach math teachers how to improve student skills

When middle school math teachers completed an online professional development program that uses artificial intelligence to improve their math knowledge and teaching skills, their students' math performance improved.

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