Generating cold with solids

After more than a century, physicists aim to dethrone the tried-and-tested technology of the refrigerator, as cooling can be made more energy-efficient.

How llamas help mitigate effects of climate change

Introducing llamas (Llama glama) into land exposed by retreating glaciers can speed the establishment of stable soils and ecosystem formation, mitigating some of the harmful effects of climate change, according to experimental ...

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