Aryl radical formation by aryl halide bond cleavage by a N-heterocyclic carbene catalyst
Aryl halides with a benzene ring directly bonded to a halogen atom are readily available and chemically stable, so they are used as a source of benzene rings in organic synthesis. For example, a chemical reaction that generates a highly reactive aryl.....»»
New study on how governments can fund radical ecological and social policies without GDP growth
According to a new study led by a researcher at Freie Universität Berlin's Otto Suhr Institute of Political Science, the level of gross domestic product (GDP) has no impact on the ability of states with monetary sovereignty to fund investments in ra.....»»
AI predicts sea surface temperature cooling during tropical cyclones
Tropical cyclones are extreme weather events, characterized by a circular form and formation over warm tropical oceans experiencing low atmospheric pressure, high winds and heavy rain. Tropical storms exceed 39 miles per hour (mph), while hurricanes.....»»
Iron-based molecular switch improves reaction yield by modulating zeolite catalyst acidity
A molecular switch, or molecule that changes in response to varying environmental stimuli, has successfully modified the acidity of a zeolite catalyst to improve the yield of paraxylene from methanol in heterogeneous catalysis, or a reaction where th.....»»
Study reveals cosmic surprises about star formation from the dawn of time
A groundbreaking international study has unveiled remarkable insights into the early evolution of galaxies, shedding light on the fundamental processes that have shaped our universe. The findings were published in Nature Astronomy......»»
Astronomers find abundance of Milky Way–like galaxies in early universe, rewriting cosmic evolution theories
Galaxies from the early universe are more like our own Milky Way than previously thought, flipping the entire narrative of how scientists think about structure formation in the universe, according to new research published today......»»
Scientists design fresh tomatoes suitable for mechanical harvesting
According to a study published in Nature Plants, Chinese scientists have elucidated the mechanism of fruit shape formation in tomatoes and have developed fresh tomatoes for mechanical harvesting......»»
How do zeolite-encapsulated metal catalysts act on hydrogen-related catalytic reactions?
Zeolites encapsulated metal and metal oxide species (regarded as metal@zeolite) are an important type of heterogeneous catalyst. They give performances that steadily outperform the traditional supported catalysts in many important reactions and have.....»»
A view to killing off stereotypes
Looking for insights into geopolitics? Eager to learn about foreign policy in the Asia-Pacific region? Don't rely on James Bond films for your education......»»
Scientists unravel the chemical mechanism behind silica-coated nanodiamonds
Coating something rare—tiny shards of diamond—with the main ingredient in sand might sound unusual, but the end result turns out to have a number of valuable applications. The trick is, nobody knows for sure how the two materials bond......»»
iOS 17 review: StandBy for more features
Messaging features lead a low-key refresh of the iPhone’s software. Enlarge / iOS 17 isn't a radical step forward, but there's still plenty to dig into. (credit: Samuel Axon) With the impending launch of Vision Pro and.....»»
Composite 2D materials for fiber lasers show promise for ultrafast optics applications
The formation of dissipative solitons is influenced by several factors, such as spectral filtering effects and Kerr nonlinear effects. This interaction leads to the possibility of mode locking over a wide range of parameters, generating pulses whose.....»»
Halide creators can turn iPad into an HDMI monitor for cameras and consoles with Orion
Lux, which makes the Halide Camera app, has unlocked a whole new vibe with their new HDMI monitor software for iPad. more….....»»
Halide adds support for Zero Shutter Lag and other iOS 17 features
Apple released iOS 17 to the public on Monday, and in addition to many new features such as StandBy Mode and NameDrop, the update also brings new APIs for third-party apps. We’ve highlighted multiple apps that are already taking advantage of these.....»»
Researchers study the formation of cardenolides in plants
Scientists at the Max Planck Institute for Chemical Ecology in Jena are investigating the previously largely unknown biosynthetic pathway that leads to the formation of cardenolides in plants......»»
Innovative catalyst advances acidic water splitting technology
Researchers from the Shanghai Institute of Ceramics of the Chinese Academy of Sciences, together with collaborators, have made a significant breakthrough in electrocatalytic water splitting, a key technology for converting intermittent solar and wind.....»»
Electron transfer kineties of CdS/Zn(impim) dots-on-rods designed for efficient visible-light reduced C-X bond
Using solar energy to drive the cleavage of C-X bonds in halogenated organic compounds to form C-H bonds can not only control environmental pollution but also achieve important organic conversion reactions......»»
Researchers discover gravitational collapse and accretion flows in hub filament system G323.46-0.08
Hub-filament systems are ubiquitous in molecular clouds. Most dense clumps and cores are formed in filaments and play a key role in star formation process. Therefore, investigating hub-filament system is one of the best ways to understand high-mass s.....»»
A radical new processor is going to shake up smartphones in 2024
MediaTek has a new chip with a radical design coming, and we spoke to the company to understand more about it and the benefits it will bring......»»
New Apple Watch Series 9 improves Siri processing, iPhone-finding, and more
New models are $399, available Sept. 22, with new "Double Tap" finger gestures. Enlarge If you were hoping for a radical new Apple Watch design or a plethora of new features, 2023 won't be your year. That said, the Appl.....»»
Researchers develop novel catalyst for carbon dioxide hydrogenation to formate
Hydrogenation of carbon dioxide (CO2) to formate is an attractive approach for the utilization of this greenhouse gas. However, non-precious metal-based catalysts for CO2 hydrogenation to formate suffer from either low activity or low stability. It i.....»»