Invasive wasp tests nature's strengths and weaknesses

A wasp that has already caused major damage in the Southern Hemisphere could spread throughout North America, although nature's defenses are currently keeping the insect under control, according to a Dartmouth study.

Patagonia's coast offers cool refuge for giant kelp

Giant kelp forests around the world have struggled to stay healthy in recent decades, with some vanishing altogether. But along Patagonia's rugged southwestern coast, giant kelp are thriving, showing remarkable stability ...

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