Earth & Environment

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lab images of embolisms in leaf veins

DEATH BY BUBBLE Mundane tools beat fancy X-ray setups in tracking how invading air bubbles kill leaves during drought, as seen in (clockwise from top) a Pteris fern, oak leaf and Adiantum fern.

purple starfish, Pisaster ochraceus

An epidemic of sea star wasting disease struck starfish species, including Pisaster ochraceus, along the west coast of North America, starting in 2013. Scientists are still trying to figure out what causes the disease.

Southern Alps

RAINWATER RUMBLES  New Zealand’s Southern Alps focus rainwater on the nearby Alpine Fault, researchers propose. That water could help fuel the seismic cycle that generates a colossal earthquake along the fault every few hundred years

Earth & Environment

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