Why Europe's trees are dying

In Europe, trees are increasingly dying prematurely. A new study by the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) on French forests now shows that it is not only drought but also unusually warm ...

Hummingbirds speed up pineapple family's evolution

Hummingbirds make bromeliad plants split into new species twice as fast as other pollinators do, scientists at the University of Reading have found. The research team gathered records of which animals pollinate 403 types ...

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