Mechanism of cobalt–manganese catalysts deciphered
Conventional catalysts for hydrogen production via water electrolysis usually contain precious metals and are expensive. However, cheaper alternatives have been developed, for example cobalt–manganese catalysts. They have a high activity and are st.....»»
Google payment to Apple concerned search giant execs – wanted to use EU law to reduce it
A new report says that the growing size of the Google payment to Apple to remain the default search engine on Apple devices concerned senior execs at the search giant – and they wanted to use EU law as a mechanism to reduce it. One legal academi.....»»
A mechanism that controls the genomic structure during early differentiation into neuroectoderm
A group of scientists have discovered that a one of the components of the polycomb-type of transcriptional repressor complex (PRC), Phc1 (Rae28), regulates the chromatin state of cells and plays a critical role in the process of undifferentiated cell.....»»
Researchers propose new strategy to improve efficiency for nanotherapeutic delivery in tumors
A team led by Prof. Wang Yucai and Associate Prof. Jiang Wei from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) revealed the mechanism of the tumor vascular basement membranes (BM) blocking nanopart.....»»
International team develops novel DNA nano engine
An international team of scientists has recently developed a novel type of nano engine made of DNA. It is driven by a clever mechanism and can perform pulsing movements. The researchers are now planning to fit it with a coupling and install it as a d.....»»
Using AI to develop hydrogen fuel cell catalysts more efficiently and economically
Proton exchange membrane hydrogen fuel cells (PEMFCs) used in hydrogen vehicles use expensive platinum catalysts to facilitate the oxygen reduction reaction at the anode. There are a vast number of elemental combinations and compositions that need to.....»»
DNA methylation: The hidden mechanism enabling plants to adapt in a warmer world
As global warming continues to redefine ecosystems, plants are increasingly tasked with swift adaptation to ensure their survival. One primary mechanism facilitating such rapid adaptation is epigenetic memory, specifically DNA methylation......»»
Metal-free and transition-metal-doped ZIF-8@CNT catalysts prepared by one-step high-temperature pyrolysis
Non-precious metal catalysts (NPMC) have strong potential in energy conversion devices due to their excellent oxygen reduction reaction (ORR) performance in fuel cells. Since in most NPMC materials, the accessible active sites play a vital role in ox.....»»
High-performance SERS substrate proposed based on 2H-TaS2 and single-atom-layer gold clusters
Recently, a research team led by Professor Yang Liangbao from Institute of Health and Medical Technology, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences (CAS) proposed an electromagnetic field enhancement mechanism based on.....»»
Monitoring African copper and cobalt mining emissions from space
Emissions associated with mining operations in Africa's Copperbelt can be quantified from space, according to new research led by the National Center for Atmospheric Research (NCAR)......»»
Predator-prey defense mechanisms could unlock key to marine biofuel production
Researchers have unpicked the mechanism behind a marine feeding strategy that could provide a valuable renewable source of biofuel......»»
NASA"s OSIRIS-REx asteroid sample curation steps closer to final reveal
As the astromaterials curation team at NASA's Johnson Space Center continues to collect the bonus asteroid Bennu particles located outside the OSIRIS-REx TAGSAM (Touch-and-Go Sample Acquisition Mechanism) head, they've also completed additional steps.....»»
Researchers reveal mechanism of efficient upconversion in two-dimensional perovskite
Recently, a research team led by Prof. Liu Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS) reported the efficient phonon-assisted upconversion luminescence in a quasi-two-dimensional pe.....»»
How proteins roll the dice to determine bee sex
To date it has been unclear exactly how the sex of a bee is determined. A research team from Heinrich Heine University Düsseldorf (HHU) including biologists and chemists has now identified a key gene and the molecular mechanism linked with it. In th.....»»
Pheromones found to influence death feigning behavior in beetles
Predation is a driving force in the evolution of anti-predator strategies, and death feigning, characterized by immobility in response to threats, is a common defensive mechanism across various animal species. While this behavior can enhance an indiv.....»»
Study suggests the introduction of multi-cations contributes to the performance of anion exchange membranes
Anion exchange membrane fuel cells (AEMFCs) have gained attention in the process of fuel cell development because they operate in alkaline environments, the redox reaction rate at the electrodes is faster, and non-precious metal catalysts such as Ni,.....»»
Scientists shed light on how stressed cells sequester protein-forming mRNAs
Researchers at Weill Cornell Medicine have illuminated one of the important ways that cells respond to stress. The findings could also be relevant to Alzheimer's, ALS and other diseases in which this mechanism may be abnormally active......»»
Teams investigate material degradation process of carbon-based catalyst
Although a plethora of carbon-based catalysts have been developed to promote oxygen reduction reaction (ORR) in different electrochemical systems, the degradation process of those catalysts remains obscure to date. During certain steps of the ORR on.....»»
Team examines importance of zeolite in catalysts for syngas conversion
The fuels used today depend heavily on petroleum. As the demand grows, scientists are looking for ways to produce fuels that do not require petroleum. A research team set out to examine the role of zeolites in the conversion of synthetic gas to fuels.....»»
Mechanism of methyltransferase METTL8-mediated mitochondrial RNA m3C modification and its relaxed substrate specificity
A study published in the journal Science Bulletin was led by Profs. Xiao-Long Zhou and En-Duo Wang (CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences)......»»
Stacking order and strain boosts second-harmonic generation with 2D Janus hetero-bilayers
A group of researchers from Tohoku University, Massachusetts Institute of Technology (MIT), Rice University, Hanoi University of Science and Technology, Zhejiang University, and Oak Ridge National Laboratory have proposed a new mechanism to enhance s.....»»