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DOE/Pacific Northwest National Laboratory


New nationwide modeling points to widespread racial disparities in urban heat stress

A new study finds that the average Black urban resident is exposed to disproportionately higher heat stress due to warmer air temperatures, while white residents experience cooler temperatures. The research highlights income- and race-based disparities in urban heat stress across US cities.

SourceDOE/Pacific Northwest National Laboratory·JournalOne Earth·TypeComputational simulation/modeling·DateJun 23, 2023

When materials discovery glitters

Researchers at PNNL have created a comprehensive database of understudied quantum materials, enabling the use of machine learning to understand their properties. The database, published in Nature Publishing Group's journal 'Scientific Data,' contains 672 unique structures and 50,337 individual atomic configurations.

SourceDOE/Pacific Northwest National Laboratory·JournalScientific Data·TypeExperimental study·DateJun 14, 2023

Across the divide: Manufacturing better batteries

The article explores knowledge gaps between laboratory and industrial manufacturing of batteries, highlighting the need for a shift in research priorities. Researchers propose new ways to design experiments that account for industry challenges, such as cost efficiency and impurity tolerance. The study aims to bridge the gap between fun...

SourceDOE/Pacific Northwest National Laboratory·JournalNature Energy·TypeLiterature review·DateMar 30, 2023

Diverse approach key to carbon removal

A new study suggests that a mix of carbon dioxide removal technologies is needed to limit global warming to 1.5 degrees Celsius by the end of this century. The effective path requires multiple methods, including restoring deforested lands and enhanced weathering, to remove necessary amounts of CO2 annually.

SourceDOE/Pacific Northwest National Laboratory·JournalNature Climate Change·TypeComputational simulation/modeling·DateMar 9, 2023

New sodium, aluminum battery aims to integrate renewables for grid resiliency

Researchers developed a new molten salt battery design using sodium and aluminum that can charge and discharge faster, operate at lower temperatures, and maintain excellent energy storage capacity. The battery's specific energy density could reach up to 100 Wh/kg, making it a promising solution for 10-plus hours of energy storage.

SourceDOE/Pacific Northwest National Laboratory·JournalEnergy Storage Materials·TypeExperimental study·DateFeb 7, 2023

The world will probably warm beyond the 1.5-degree limit. But peak warming can be curbed

New research suggests that the world will probably warm beyond the 1.5-degree limit set by the 2015 Paris Agreement, but peak warming can be minimized by adopting more ambitious climate pledges and decarbonizing faster. The study models scenarios to explore what degree of warming would likely follow different courses of action, highlig...

SourceDOE/Pacific Northwest National Laboratory·JournalNature Climate Change·DateNov 10, 2022

Longer lasting sodium-ion batteries on the horizon

Researchers at PNNL have developed a sodium-ion battery with greatly extended longevity in laboratory tests. The new electrolyte recipe stabilizes the protective film on the anode and generates an ultra-thin protective layer, providing long cycle life and stability. This technology has potential for applications in light-duty electric ...

SourceDOE/Pacific Northwest National Laboratory·JournalNature Energy·TypeExperimental study·DateJul 13, 2022

Amazon Rainforest Foliage Gases Affect the Earth’s Atmosphere

A recent study by Pacific Northwest National Laboratory researchers reveals a previously unknown atmospheric phenomenon over the Amazon rainforest, driven by plant-foliage-derived gases. These gases condense to form fine particles that cool the planet and seed clouds, affecting precipitation and the water cycle.

SourceDOE/Pacific Northwest National Laboratory·JournalACS Earth and Space Chemistry·TypeExperimental study·DateApr 6, 2022

Surprising semiconductor properties revealed with innovative new method

A new method using a thin oxide film has revealed that oxygen impurities in germanium are responsible for a surprising effect, creating holes in the material and eclipsing its semiconducting properties. This discovery has broad implications for understanding the role of thin oxide films in future semiconductor design.

SourceDOE/Pacific Northwest National Laboratory·JournalPhysical Review Materials·TypeExperimental study·DateMar 1, 2022

Beset in mucus, Coronavirus particles likely travel farther than once thought

A new study suggests that small respiratory particles can remain moist and airborne for a longer time and greater distance than previously recognized. The mucus shell surrounding these particles likely reduces evaporation rates, keeping viral particles infectious for up to 30 minutes and traveling distances of up to 200 feet.

SourceDOE/Pacific Northwest National Laboratory·JournalInternational Communications in Heat and Mass Transfer·TypeComputational simulation/modeling·DateFeb 15, 2022

As the mercury rises, the urban heat penalty grows, especially at night

Residents in eastern US cities experience up to 4.9 degrees Celsius increase in nighttime urban heat stress index, with extra 30 minutes of uncomfortable weather per degree C temperature increase. This effect is more pronounced in the southeastern US, where residents face up to five extra hours of uncomfortable weather during summer.

SourceDOE/Pacific Northwest National Laboratory·JournalGeophysical Research Letters·TypeData/statistical analysis·DateDec 16, 2021

Researchers deliver road map of lung development

A team of researchers has created a detailed map of the proteins in human lungs, shedding light on how the organs develop and function. The study found that the immune system in the lungs continues to mature after birth, providing new avenues for understanding diseases such as asthma and COVID-19.

SourceDOE/Pacific Northwest National Laboratory·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeData/statistical analysis·DateNov 18, 2021

Artificial intelligence brings better hurricane predictions

A new machine learning approach has been developed by researchers at the Department of Energy's Pacific Northwest National Laboratory to improve hurricane intensity predictions. The model uses artificial intelligence techniques and can run on a commercial laptop, offering more accurate forecasts than existing models. It also enables th...

SourceDOE/Pacific Northwest National Laboratory·JournalWeather and Forecasting·TypeComputational simulation/modeling·DateSep 22, 2021

How ant teeth cut like a scalpel

A recent study reveals that ants, worms, spiders, and other tiny creatures have a built-in set of tools that maximize cutting efficiency thanks to the arrangement of individual atoms of zinc. This biomaterial allows animals to use less force, making their smaller muscles spend less energy.

SourceDOE/Pacific Northwest National Laboratory·JournalScientific Reports·TypeExperimental study·DateSep 1, 2021

Extreme sea levels to become much more common worldwide as Earth warms

A new study predicts extreme sea levels will become 100 times more frequent worldwide, with an annual occurrence by the end of the century. The research, led by Claudia Tebaldi, suggests rising temperatures will have a significant impact on coastal regions, particularly in the tropics and lower latitudes.

SourceDOE/Pacific Northwest National Laboratory·JournalNature Climate Change·TypeData/statistical analysis·DateAug 31, 2021