This week with NSF Director Panchanathan

“NSF remains committed to investing in the scientists, engineers, inventors and students that will lead to the next generation of key innovations that unravel mysteries, solve pressing problems, and drive our nation’s economic and national security.”… ​”NSF remains committed to investing in the scientists, engineers, inventors and students that will lead to the next generation …

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Polar experiments reveal seasonal cycle in Antarctic sea-ice algae

In the frigid waters surrounding Antarctica, an unusual seasonal cycle occurs. During winter, from March to October, the sun barely rises. As seawater freezes it rejects salts, creating pockets of extra-salty brine where microbes live in winter. In… ​In the frigid waters surrounding Antarctica, an unusual seasonal cycle occurs. During winter, from March to October, …

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Genetically modified bacteria break down plastics in saltwater

Researchers have genetically engineered a marine microorganism to break down plastic in salt water. The modified organism can break down polyethylene terephthalate (PET), a contributor to microplastic pollution in oceans that is used in everything… ​Researchers have genetically engineered a marine microorganism to break down plastic in salt water. The modified organism can break down …

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Verbal nonsense reveals limitations of AI chatbots

Artificial intelligence chatbots use large language models to generate responses that seemingly mimic the way humans use and understand language, but a new study shows that these models remain vulnerable to mistaking nonsense for natural language… ​Artificial intelligence chatbots use large language models to generate responses that seemingly mimic the way humans use and understand …

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New measure of tropical forest vulnerability to help avoid ‘tipping point’

(Cell Press) Humid tropical forests, vital in global efforts to limit rising temperatures, are under threat as a result of changes in land use and climate. Now, researchers reporting in the journal One Earth on July 23 have developed a new way to keep tabs on the vulnerability of these forests on a global scale …

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Exploring how air pollution in indoor spaces affects human health

(UK Research and Innovation) Three new research projects will investigate how air pollutants in indoor spaces such as homes, schools and workplaces can adversely affect the health of the people inhabiting them. ​(UK Research and Innovation) Three new research projects will investigate how air pollutants in indoor spaces such as homes, schools and workplaces can …

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California’s carbon mitigation efforts may be thwarted by climate change itself

(University of California – Irvine) To meet an ambitious goal of carbon neutrality by 2045, California’s policymakers are relying in part on forests and shrublands to remove CO2 from the atmosphere, but researchers at the University of California, Irvine warn that future climate change may limit the ecosystem’s ability to perform this service. ​(University of …

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OU researcher applies principles of fluid dynamics to weather research

(University of Oklahoma) A University of Oklahoma researcher, Scott Salesky, leads a project funded by a half-a-million-dollar grant from the Department of Energy to improve climate modeling. This research project is one of several funded through a $15.6 million initiative by the DOE for new research that aims to improve scientists’ ability to accurately predict …

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Informing policy for long-term global food security

(International Institute for Applied Systems Analysis) More than 820 million people in the world don’t have enough to eat, while climate change and increasing competition for land and water are further raising concerns about the future balance between food demand and supply. The results of a new IIASA-led study can be used to benchmark global …

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Mobility restrictions can have unexpected impacts on air quality

(University of Helsinki) Reduced mobility induced by the COVID-19 restrictions had only minor influence on particulate pollution levels according to atmosphere studies in the Po Valley region of northern Italy. Eventually computer simulations indicated that the change in air quality led to an increase in secondary aerosol formation. ​(University of Helsinki) Reduced mobility induced by …

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