Clingy copper ions contribute to catalyst slowdown
Heavy-duty diesel trucks on the road today are equipped with aftertreatment systems that include selective catalytic reduction (SCR) technology using urea solution as a reducing agent to curtail harmful nitrogen oxide (NOx) emissions from engine exha.....»»
Research reveals molecular mechanism of asymmetric calcium-sensitive receptor activation
Calcium-sensing receptors (CaSRs), widely distributed in tissues and organs such as parathyroid glands, intestines, bones and kidneys, sense the concentration of calcium ions in the blood and maintain the calcium balance in the human body. CaSR is so.....»»
Tiny Big Bang: ALICE experiment restarts with lead ions
On September 26, 2023, the accelerator team at the CERN European Council for Nuclear Research in Geneva declared stable lead-beam conditions, ushering in the first data-taking campaign of lead-ion collisions in five years. From then until the late ev.....»»
Researchers develop cheap and efficient ethanol catalyst from laser-melted nanoparticles
Ethanol fuel cells are regarded as promising sources of green electricity. However, expensive platinum catalysts are used in their production. Research on laser melting of suspensions carried out at the Institute of Nuclear Physics of the Polish Acad.....»»
People who contribute least in crowdsourcing can do the most to improve a public good, says study
Whether talking about the office kitchen, hiking trails or ratings on Yelp, there are always people who put in effort to leave those spaces better. There are also those who contribute nothing to that public good......»»
How machine learning can support data assimilation for Earth system models
Data assimilation is the combination of the latest observations with a short-range forecast to obtain the best possible estimate of the current state of the Earth system. Machine learning can contribute to it by optimizing the use of satellite observ.....»»
Study finds that colostrum is key to saving beef calves from trouble
In a pair of recent studies, researchers examined risk factors that contribute to insufficient antibody transfer to newborn beef calves, as well as the subsequent negative health effects. They found that the mother's parity (in "heifers" or first-tim.....»»
Study shows what kind of salt we use on the roads in winter can make a difference for plants
Increased salinity in soils is a global problem caused, for example, by ions leaching into soils from ice-melting salts used on roads in winter or from seawater seepage in coastal areas......»»
Large herbivores such as elephants, bison and moose shown to contribute to tree diversity
Using global satellite data, a research team has mapped the tree cover of the world's protected areas. The study shows that regions with abundant large herbivores in many settings have a more variable tree cover, which is expected to benefit biodiver.....»»
NASA"s robotic prospectors are helping scientists understand what asteroids are made of, setting the stage for mining
The cars, cellphones, computers and televisions that people in the U.S. use every day require metals like copper, cobalt and platinum to build. Demand from the electronics industry for these metals is only rising, and companies are constantly searchi.....»»
Producing stronger, tougher silk by feeding silkworms with rare earth ion-modified diets
A research team led by Dr. Yingying Zhang (Department of Chemistry, Tsinghua University) devised a scheme utilizing silkworms to produce strong, tough silk through feeding them with rare earth ion-modified diets. The rare earth ions can be incorporat.....»»
How social media can contribute to species conservation
Photos of plants and animals posted on social media can help protect biodiversity, especially in tropical regions. This is the conclusion of a team of researchers led by the German Center for Integrative Biodiversity Research (iDiv), the Helmholtz Ce.....»»
Team synthesizes a new polyoxometalate-based metal-organic complex
A research team has synthesized a new polyoxometalate-based metal-organic complex that they then tested as a catalyst for the oxidation reactions of various sulfides. They found that the complex possesses excellent catalytic performance, good reusabi.....»»
Tuning properties of membrane and catalyst layers optimizes reactors for fuel cells and more
Ethylene is a chemical widely used as a feedstock for producing polymers and industrial chemicals. Oxidative coupling of methane (OCM) is a promising, energy-efficient way of creating ethylene from natural gas by reacting methane with oxygen. However.....»»
Agronomists find green way to mitigate the effects of soil salinity
Most crops are sensitive to soil salinity. Excess salts cause salt stress—plants lack water, photosynthesis is suppressed, respiration worsens, chlorophyll breaks down, and potassium ions leak. Water-soluble toxic salts stimulate the synthesis of r.....»»
All mines eventually close—how can mining towns like Mount Isa best manage the ups and downs?
The announcement by Glencore last week that its Mount Isa copper mines will close in 2025 is significant for the town......»»
Apple Research app now lets users share family health history with studies
Apple on Wednesday released a new version of its Apple Research app, which is aimed at letting users contribute to scientific health research using their Apple devices. With version 5.0, users can now share family health history with studies. Read on.....»»
Royal Charter storm of 1859: How an almighty tempest led to the birth of the UK"s shipping forecast
In British weather history, one storm stands out as a catalyst for change—the Royal Charter Storm of 1859. This devastating tempest off the west coast of Britain played a pivotal role in the founding of the shipping forecast and has had an enduring.....»»
Examining the synergistic roles of platinum nanoparticles and sodium ions within beta zeolites
Organic N-alkyl amines are important chemical products and intermediate with wide applications in the fields of daily chemicals, pesticides, pharmaceuticals, surfactants, and life sciences. The C–N bonds formed by alkylating reagents (halocarbons,.....»»
Electrons are quick-change artists in molten salts, chemists show
In a finding that helps elucidate how molten salts in advanced nuclear reactors might behave, scientists have shown how electrons interacting with the ions of the molten salt can form three states with different properties. Understanding these states.....»»
Increased vitamin C may mitigate copper toxicity in kiwifruit
Kiwifruit is a popular, commercially available fruit packed with nutrients. Over the last decade, the cultivation of kiwifruit has been plagued by a severe epidemic caused by Pseudomonas syringae pv. actinidiae (Psa)......»»