A big leap forward in using iron catalysts for pharmaceuticals
If there were a classroom full of all the transition metals that could be used as catalysts for complex pharmaceutical reactions, iron would be the most promising but most unruly member......»»
Scientists find one of the most ancient stars that formed in another galaxy
The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new elements across the universe. The iron running in your ve.....»»
New method uses enantioselective nickel catalysis to synthesize multifunctional chiral alkylboron compounds
National University of Singapore (NUS) chemists have conceived a strategy using chiral nickel catalysts to facilitate the carboboration of alkenes, generating high-value enantioenriched alkylboronic esters......»»
Regulating atomic Fe-Rh site distance for efficient oxygen reduction reaction
In a study published in the journal Science China Chemistry, the authors systematically design and investigate the site-distance effect of Fe-Rh atom catalysts (Fe-Rhx@NC) supported by N-doped graphene for ORR by an integrated theoretical and experim.....»»
AI-powered system maps corals in 3D in record time
An artificial intelligence system developed at EPFL can produce 3D maps of coral reefs from camera footage in just a few minutes. It marks a major leap forward in deep-sea exploration and conservation capabilities for organizations like the Transnati.....»»
Electronic perturbation-promoted interfacial pathway for facile C–H dissociation
Pt-based catalysts have been extensively employed in catalytic propane dehydrogenation (PDH) processes, playing a crucial role in propylene production. However, monometallic Pt catalysts often exhibit inferior propylene selectivity due to the hydroge.....»»
Perception Point GPThreat Hunter allows cybersecurity experts to focus on in-depth investigations
Perception Point launched its latest innovation, GPThreat Hunter, an addition to the company’s comprehensive security stack. Leveraging the capabilities of OpenAI’s GPT-4 model, GPThreat Hunterre presents a significant leap forward in Per.....»»
Iron restriction keeps blood stem cells young, researchers find
As we age, our hematopoietic (blood-forming) stem cells (HSCs) become less able to produce new red and white blood cells and other vital blood components—contributing to chronic inflammation and accelerating the onset of blood cancers and degenerat.....»»
Mapping chemical footprints in European streams
Many pesticides, industrial chemicals, and pharmaceuticals, as well as their degradation products, end up in streams and rivers after use......»»
Ultraviolet spectroscopy: A leap in precision and accuracy at extremely low light levels
Ultraviolet spectroscopy plays a critical role in the study of electronic transitions in atoms and rovibronic transitions in molecules. These studies are essential for tests of fundamental physics, quantum-electrodynamics theory, determination of fun.....»»
Weird electron behavior gets even weirder: Charge fractionalization observed spectroscopically
A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of fundamental importance. Sinc.....»»
Aluminum nanoparticles make tunable green catalysts
Catalysts unlock pathways for chemical reactions to unfold at faster and more efficient rates, and the development of new catalytic technologies is a critical part of the green energy transition......»»
Researchers identify materials capable of catalyzing the conversion of ortho-hydrogen to para-hydrogen
A research team consisting of NIMS and the Tokyo Institute of Technology has identified materials capable of catalyzing the conversion of ortho-hydrogen to para-hydrogen. These catalysts should be essential to the spread of mass-transportation/storag.....»»
Saturday Citations: Will they or won"t they? A black hole binary refuses to merge. Plus: Vestigial eyeballs
It's been a long, eight-day leap week, and this weekend, I'm spending my free time working on the manuscript for my style guide for science writers, "How to Effectively Split an Infinitive.".....»»
The best leap day deals to shop today, from cheap flights to cozy sheets
Feb. 29 leap day deals include $99 flights to Europe, $29 off hotel stays, and 29% off bed sheets. Welcome to leap day 2024. Maybe you're not thrilled to have an extra day in February, but the upside is that many brands are treating us to speci.....»»
Hydrogel spheres compose a microporous structure for localized mRNA delivery
In a significant leap forward in the realm of regenerative medicine, a team at the Terasaki Institute for Biomedical Innovation has introduced a pioneering approach to mRNA therapy using microspheres made of gelatin methacryloyl (GelMA)—a gelatin-b.....»»
Self-pay gas station pumps break across NZ as software can’t handle Leap Day
"We'll add it to our Outlook reminders..." Enlarge / A gas station displays an out-of-order sign on February 29, 2024 in New Zealand. (credit: Mark Coote/Bloomberg via Getty Images) Today is Leap Day, meaning that for.....»»
A big boost to Europe’s climate-change goals
A new policy called CBAM will assist Europe's ambition to become carbon-neutral. Enlarge / Materials such as steel, cement, aluminum, electricity, fertilizer, hydrogen, and iron will soon be subject to greenhouse gas emissions f.....»»
10 best movie villains of all time, ranked
In the pantheon of cinematic villainy, these figures rule with an iron fist, becoming indelible parts of motion picture history with their dastardly deeds......»»
A big boost to Europe’s climate change goals
A new policy called CBAM will assist Europe's ambition to become carbon neutral. Enlarge / Materials such as steel, cement, aluminum, electricity, fertilizer, hydrogen and iron will soon be subject to greenhouse gas emissions fe.....»»
From edge of extinction to Australia"s croc "paradise"
If you want a snappy death, one expert's advice is to leap into a river near the Australian city of Darwin—within minutes, you'll be in the jaws of one of the hundreds of crocodiles that stalk its murky waters......»»