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Eos

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Satellites Spy on Sand Mining in the Mekong

Concrete, used in everything from streets to skyscrapers, needs sand, often mined from active rivers in developing countries with little oversight. Researchers can now use satellites to keep watch.

New “Snakebot” Could Map Cambodian Minefields

By navigating under dense vegetation, an innovative robot could significantly reduce the monetary, environmental, and human cost of demining Cambodia.