Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.
ENGAGE
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Mapping Teotihuacan’s Past, Present, and Future
A new lidar project reveals how mining and urban expansion have put one of Mexico’s most iconic cultural heritage sites at risk.
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Clever Wood Use Could Mitigate Wildfires and Climate Change
California plans to use forest thinning to reduce wildfire risk. New research suggests the state could also see a climate benefit by repurposing waste wood produced by thinning.
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Termite Fumigation in California Is Fueling the Rise of a Rare Greenhouse Gas
The insecticide sulfuryl fluoride isn’t included in federal or state emissions reduction goals.
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Diamond Discovery Unearths Secrets of the Deep
A diamond inclusion has revealed a new mineral, davemaoite, as well as hints about the workings of our planet’s interior.
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Settlement of Rapa Nui May Have Been Doomed by a Dearth of Dust
Rapa Nui and Hawai‘i offer a tale of two island settlements: Hawai‘i was close enough to Asia for continental dust to help replenish soil nutrients depleted by agriculture. Rapa Nui wasn’t.
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WAMPUM: An Indigenous-Designed Path to Sea Level Rise Adaptation
Northeastern and mid-Atlantic tribal nations lived sustainably on the coastline for centuries before colonization. How can their experiences inform strategies for sea level rise adaptation?
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Tracking Pollution in the Breeze, with Trees
New research outlines how pine needles offer a simple, low-cost means of assessing particulate matter pollution.
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Crowdsourced Science Helps Map Vancouver’s “Smellscape”
Exposure to stinky odors can affect human health, but quantifying smells can be difficult.