Amazon dolphins at risk from fishing, dams and dredging

Research shows Amazon river dolphins are under threat from fishing and proposed new dams and dredging. Scientists have used satellite tags to track eight dolphins in the Peruvian Amazon, to discover where they went in relation ...

Mapping beaver dams with machine learning

North American beavers transform ecosystems with their engineering prowess. By ponding water, excavating channels, and foraging nearby vegetation, they drastically alter landscapes across a variety of environments, from tundra ...

China tests a Stirling engine in orbit

The China National Space Agency (CNSA) has made considerable progress in recent years with the development of its Long March 5 (CZ-5) rocket and the completion of its Tiangong-3 space station. The agency also turned heads ...

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