Engineering

Portable sun-powered water harvester could combat water scarcity

University of California Berkeley researchers have designed an extreme-weather proven, hand-held device that can extract and convert water molecules from the air into drinkable water using only ambient sunlight as its energy ...

Business

Climate scientists flee Twitter as hostility surges

Scientists suffering insults and mass-spam are abandoning Twitter for alternative social networks as hostile climate-change denialism surges on the platform following Elon Musk's takeover.

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