Rapid burst of flowering plants set stage for other species

A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of ...

Most flammable boreal forests in North America become more so

A 2,000-square-kilometer zone in the Yukon Flats of interior Alaska – one of the most flammable high-latitude regions of the world, according to scientists – has seen a dramatic increase in both the frequency and severity ...

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