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 ...

How air pollution is making life tougher for bugs

Whether you love them or loathe them, we all depend on bugs. Insects help to pollinate three-quarters of the world's crop varieties, making them a treasured resource.

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