The Chemical Menace Inside Glaciers and Icebergs
Ice can trap pollutants and accelerate their breakdown, with troubling environmental consequences......»»
Integrating small-angle neutron scattering with machine learning enhances measurements of complex molecular structures
Small-angle scattering (SAS) is a powerful technique for studying nanoscale samples. So far, however, its use in research has been held back by its inability to operate without some prior knowledge of a sample's chemical composition. Through new rese.....»»
Prussian blue analogs unlock affordable, long-lasting lithium-ion batteries
Prussian blue (PB), a well-known pigment used to dye jeans, has been recognized as an emerging material for next-generation batteries. A team of researchers, led by Professor Hyun-Wook Lee in the School of Energy and Chemical Engineering at UNIST has.....»»
Melting high-mountain glaciers would release greenhouse gases into atmosphere, suggest scientists
The retreat of high mountain glaciers has accelerated since the 1980s, resulting in increased glacier runoff. However, it remains uncertain whether melting mountain glaciers enhance or release greenhouse gases, and whether areas exposed to glacier re.....»»
Scientists call for "major initiative" to study whether geoengineering should be used on glaciers
A group of scientists have released a landmark report on glacial geoengineering—an emerging field studying whether technology could halt the melting of glaciers and ice sheets as climate change progresses......»»
Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers
Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers.....»»
Team investigates chemical modifications to gain deeper insights into genetic regulation mechanisms
University of North Carolina at Chapel Hill researchers have determined whether a specific chemical modification of a protein that packages the genome called a histone affects gene activity and cell proliferation, according to the paper, "Drosophila.....»»
Moving from the visible to the infrared: Developing high quality nanocrystals
Awarded the 2023 Nobel Prize in Chemistry, quantum dots have a wide variety of applications ranging from displays and LED lights to chemical reaction catalysis and bioimaging. These semiconductor nanocrystals are so small—on the order of nanometers.....»»
Researchers identify multiple "forever chemical" contamination hot spots in US
Harmful chemicals that don't break down are present in public water systems nationwide, and West Virginia University economists have found that densely populated, higher-income areas and those that use groundwater tend to have the highest contaminati.....»»
Researchers engineer poplar trees to synthesize valuable chemical squalene, normally harvested from shark livers
What do poplar trees, sharks and biofuels have in common? While it might sound a bit like a riddle, a team led by Michigan State University biochemists has reported exciting findings concerning all three in the quest for cleaner energy......»»
Scientists track sea level rise from glaciers in Greenland and Antarctica
As climate change advances, the vast bodies of ice on Antarctica and Greenland contribute significantly to sea level rise. To project their future effect on sea level rise, additional research is required to improve scientists' understanding of these.....»»
Researchers use 1,000 historical photos to reconstruct Antarctic glaciers before a dramatic collapse
In March 2002, the Larsen B Ice Shelf collapsed catastrophically, breaking up an area about one-sixth the size of Tasmania......»»
Scientists investigate fast reaction dynamics in synthetic molecules immobilized in porous protein cages
Immobilizing small synthetic molecules inside protein crystals proves to be a promising avenue for studying intermediate compounds formed during chemical reactions, report scientists from Tokyo Tech. By integrating this method with time-resolved seri.....»»
Alaska’s top-heavy glaciers are approaching an irreversible tipping point
As the plateau of the icefield thins, ice and snow reserves at higher altitudes are lost. Enlarge / Taku Glacier is one of many that begin in the Juneau Icefield. (credit: Mauricio Handler / Getty Images) The melting of.....»»
Alaska"s top-heavy glaciers are approaching an irreversible tipping point
The melting of one of North America's largest icefields has accelerated and could soon reach an irreversible tipping point. That's the conclusion of new research colleagues and I have published on the Juneau Icefield, which straddles the Alaska-Canad.....»»
Researchers pioneer new methods in ultrafast science for sharper molecular movies
Imagine being able to watch the inner workings of a chemical reaction or a material as it changes and reacts to its environment—that's the sort of thing researchers can do with a high-speed "electron camera" called the Megaelectronvolt Ultrafast El.....»»
Researchers demonstrate economical process for the synthesis and purification of ionic liquids
Recently, a team of researchers from Pohang University of Science and Technology (POSTECH), the Korea Research Institute of Chemical Technology, and Chonnam National University has developed a technique to separate well-mixed mixtures......»»
New chemical process separates textile fibers for easier recycling
A combined team of chemical and biomolecular engineers from the University of Delaware, and the Center for Plastics Innovation, both in the U.S., has developed a way to chemically separate fibers in textiles, allowing them to be recycled more quickly.....»»
New catalysts enable greener ester synthesis
A new catalyst may well catalyze a shift to greener chemistry. Chemists from Yokohama National University have successfully developed innovative catalysts containing two noble metals that demonstrate remarkable efficiency in ester-producing chemical.....»»
The influence of peptoid sequence on the mechanisms and kinetics of 2D assembly
Two-dimensional (2D) materials have unique physical and chemical properties and potential for a wide variety of applications. Peptoids, a type of molecule, compose a class of sequence-defined polymers that mimic biological compounds and can self-asse.....»»
A new blue: Mysterious origin of the ribbontail ray"s electric blue spots revealed
Researchers have discovered the unique nanostructures responsible for the electric blue spots of the bluespotted ribbontail ray (Taeniura lymma), with possible applications for developing chemical-free coloration. The team is also conducting ongoing.....»»