Chemical weapons: How will we know if they have been used in Ukraine?
Russia may have used chemical weapons in its invasion of Ukraine, according to unconfirmed reports from the besieged city of Mariupol last week......»»
Designing multifunctional framework materials for sustainable photocatalysis
The goal of sustainable chemistry has motivated chemists to use renewable energy in chemical reactions, minimizing hazardous waste, and maximizing atom economy. Nature provides a blueprint with photosynthesis, in which carbohydrates are produced from.....»»
Exploring the role of hydrogen sulfide in the expression of iron uptake genes in E. coli
Antibiotic resistance and oxidative stress response are important biological mechanisms that help bacteria thrive, especially pathogenic bacteria like Escherichia coli. Hydrogen sulfide (H2S), a chemical messenger molecule, regulates several intracel.....»»
Affordable iron catalysts offer a sustainable route to prized Z-alkenes
Chemists from the National University of Singapore (NUS) have developed an iron-catalyzed method that overcomes a significant challenge in the sustainable synthesis of trisubstituted Z-alkenes by inserting two alkyl chemical groups into a type of com.....»»
Study suggests moon may have been captured from space rather than formed from collision particles
Over six missions to the moon, from 1969 to 1972, Apollo astronauts collected more than 800 pounds of lunar rock and soil. Chemical and isotopic analysis of that material showed that it was similar to the rock and soil on Earth: calcium-rich, basalti.....»»
"Tamed" molecules for more sustainable catalysts: Chemists succeed in synthesizing a spectacular gallium compound
Catalysts play an important role in the manufacture of many products that we encounter in everyday life—for example in cars for exhaust gas purification or in the chemical industry in the production of fertilizers. Catalysts ensure that these react.....»»
Biologists sequence proteins by pulling them through nanopores
A team of chemical biologists at the University of Washington, working with colleagues at Oxford Nanopore Technologies, has developed a protein sequencing process that involves pulling proteins through nanopores in a lipid membrane. Their paper is pu.....»»
Are tougher political sanctions better? A statistical model compares political and economic relationships to success
Before beginning its war of aggression against Ukraine in 2022, Russia had already conducted an aerial bombardment of Georgia in 2008 and invaded Crimea as well as the Donbas region in 2014. This has left politicians and researchers puzzling over the.....»»
Research abounds at the International Space Station
At the International Space station, researchers are making strides in everything from Earth science to chemical properties. Here's what they're up to and why it matters......»»
Firms that withdrew from Russia following Ukraine invasion earn higher consumer sentiment, finds study
Following Russia's 2022 invasion of Ukraine, many companies with operations in Russia withdrew from or severely curtailed their Russian operations. For example, Dell and McDonald's ceased all operations in Russia after the invasion......»»
Ukraine says Russia is planning strikes on nuclear facilities
Ukraine says Russia is planning strikes on nuclear facilities.....»»
AI tools help uncover enzyme mechanisms for lasso peptides
Lasso peptides are natural products made by bacteria. Their unusual lasso shape endows them with remarkable stability, protecting them from extreme conditions. In a new study, published in Nature Chemical Biology, researchers have constructed and tes.....»»
Vampire Survivors evolution guide: all upgrades and weapon combos
No vampire can survive your power in Vampire Survivors once you master the art of evolving your weapons. This is a complicated task, so we'll break it down......»»
Russia warns West and Ukraine of "disastrous consequences" if Kyiv moves against Belarus
Russia warns West and Ukraine of "disastrous consequences" if Kyiv moves against Belarus.....»»
Exclusive-Ammunition from India enters Ukraine, raising Russian ire
Exclusive-Ammunition from India enters Ukraine, raising Russian ire.....»»
Putin ally warns West of nuclear war over Ukraine
Putin ally warns West of nuclear war over Ukraine.....»»
Study hints that debate skills may lessen negative impact of AI
Higher education is facing a tough challenge as it adapts to the advent of artificial intelligence. To combat it, a University of Mississippi professor proposes using one of academia's oldest weapons: debate......»»
Antioxidant carbon dot nanozymes alleviate depression in rats by restoring the gut microbiome
Depression is a significant challenge to diagnose and treat. Among the factors influencing depression onset and severity, there is growing evidence for chemical imbalances that generate oxidative stress throughout the body. To address this problem, r.....»»
Harnessing nature"s rhythm: Piezocatalysis for organic pollutant degradation
With the rapid growth of industrial and agricultural activities, water bodies are increasingly contaminated with harmful organic pollutants such as dyes, antibiotics, and bisphenol A. Traditional methods like adsorption, chemical treatments, and biol.....»»
China hits 9 US firms with property freeze over weapons sales to Taiwan
China hits 9 US firms with property freeze over weapons sales to Taiwan.....»»
A toxic chemical was blamed for killing thousands of Teesside crabs, but a study explains why pyridine isn"t the culprit
In October 2021, thousands of dead and dying crabs and lobsters washed up along 45 miles (70km) of coastline in north-east England. This mass-mortality event coincided with the redevelopment of one of the UK's largest ports at Teesside......»»