Stalagmites reveal Australia's pre-colonial bushfire history

Like Plato's Cave, where fires reveal the portrait of an otherwise hidden reality, researchers have for the first time used a stalagmite's chemical signal to reveal the nature of Australia's historic wildfires, identifying ...

Sustainable sand pulls pollutants from stormwater

UC Berkeley engineers have developed a mineral-coated sand that can soak up toxic metals like lead and cadmium from water. Along with its ability to destroy organic pollutants like bisphenol A, this material could help cities ...

Europe's oldest lake traces 1.36 million years of climate

By analysing sediment cores from the bed of Europe's oldest lake, an international team of scientists has created a detailed climate history of the north-central Mediterranean stretching back 1.36 million years—and revealed ...

Warmer, wetter winters bring risks to river insects

Research by Cardiff University has shown that the warmer, wetter winters in the U.K. caused by climate change are likely to impact the stability of insect populations in streams.

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