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Science + Technology

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Rivers running down a mountainous valley
Photo Credit
Jeff Prancevic
Streams like this one can run dry during periods of drought. This study provides new analyses to help predict when and where streams flow.

Predicting seasonal changes in river networks

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Textile waste fills a dump in Bangladesh.
Photo Credit
Bdspn via iStock
Textile waste has become a major source of plastic pollution, with lower-income countries shouldering the brunt of the problem.
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scientist holds a chip-scale ring resonator and a commercially available Fabry-Perot laser diode
Photo Credit
Sonia Fernandez
Andrei Isichenko holds the ultra-high-quality ring resonator (left), which can help turn the "coarse" light from a commercially available Fabry-Perot laser diode (right) into a low linewidth laser
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signpost with three potential directions

Resolving ambiguity
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Coconut palms stretch into the distance framed by tropical blue waters.
Photo Credit
PeaceMan via iStock
Coconut palms account for more than one third of forested areas on Fakarava Atoll, French Polynesia, which falls far short of the region’s most heavily impacted atolls.
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blue whale tail
Photo Credit
Courtesy Image
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dolphin swimming with plastic bag on fin
Photo Credit
Joao Vianna/Getty Images
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Three mountain yellow-legged frogs perched on a rock.
Photo Credit
Roland Knapp
The Sierra Nevada yellow-legged frog is recovering in Yosemite, a beacon of hope for amphibian conservation.
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battery with blue lighting bolt
Photo Credit
Aqueous Battery Consortium
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A line of clouts stretches from the tropical Pacific to western North America where it becomes a massive storm.
Photo Credit
Stuart Rankin via Flickr (CC BY-NC 2.0)
The Pineapple Express — an atmospheric river originating in the tropical Pacific — walloped western North America in February 2017. These systems are becoming more frequent at higher latitudes, leaving mid latitudes drier.