North American deserts are a biodiversity hotspot for butterflies

By comparing the genetic diversity of butterflies in North America, researchers reporting in the journal iScience on March 23 found that the array of different evolutionary distinct groups of butterflies is particularly high ...

Rising temps put desert shrubs in high-efficiency mode

Death Valley doesn't seem like the most ideal place to ride out rising temperatures amid a changing climate. But for the desert plants that live there, it's home—and they face the choice to adapt or die.

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