Chemists obtain derivatives of the natural polymer chitosan, which outpace existing antibiotics
RUDN University chemists and colleagues from Belarus obtained derivatives of the natural polymer chitosan, which exceeded existing antibiotics in antibacterial activity. Moreover, the new substances are non-toxic, and the production method is safe. T.....»»
Social networks help people resolve welfare problems—but only sometimes, new research finds
Lead researcher Dr. Sarah Nason, from Bangor University's School of History, Law and Social Sciences explained, "Debt, benefits, special educational needs, health care issues, these are everyday problems that many of us face, and it's only natural to.....»»
Designing multifunctional framework materials for sustainable photocatalysis
The goal of sustainable chemistry has motivated chemists to use renewable energy in chemical reactions, minimizing hazardous waste, and maximizing atom economy. Nature provides a blueprint with photosynthesis, in which carbohydrates are produced from.....»»
Geologists discover mysterious subduction zone beneath Pacific, reshaping understanding of Earth"s interior
University of Maryland scientists uncovered evidence of an ancient seafloor that sank deep into Earth during the age of dinosaurs, challenging existing theories about Earth's interior structure. Located in the East Pacific Rise (a tectonic plate boun.....»»
Bioengineers and chemists design fluorescent 3D-printed structures with potential medical applications
In a process as simple as stirring eggs and flour into pancakes, University of Oregon researchers have mixed fluorescent ring-shaped molecules into a novel 3D printing process. The result: intricate glowing structures that support the development of.....»»
Affordable iron catalysts offer a sustainable route to prized Z-alkenes
Chemists from the National University of Singapore (NUS) have developed an iron-catalyzed method that overcomes a significant challenge in the sustainable synthesis of trisubstituted Z-alkenes by inserting two alkyl chemical groups into a type of com.....»»
Simultaneous detection of uranium isotopes and fluorine advances nuclear nonproliferation monitoring
Combining two techniques, analytical chemists at the Department of Energy's Oak Ridge National Laboratory have become the first to detect fluorine and different isotopes of uranium in a single particle at the same time. Because fluorine is essential.....»»
Lignin-based sunscreen offers natural and high-performance UV protection
In a significant breakthrough for the cosmetics industry, researchers have developed a new type of sunscreen using lignin, a naturally abundant polymer, and titanium dioxide (TiO2). The study, led by Yarong Li and Zhiguang Tang, was published in the.....»»
Bulrush once kept NZ"s wetlands and lakes thriving—now it could help restore them
With about 90% of New Zealand's natural wetlands drained or severely damaged during the past decades, we need to understand the role of native plants in the restoration of these important habitats......»»
Scientists create model of holographic dark energy that is no longer unstable
In 1998, scientists discovered that our universe expands with acceleration, and in order to explain this effect, the concept of dark matter was introduced. This is a special type of energy that fills up all of existing space-time but is impossible to.....»»
Non-Pro Apple Vision likely to have half the resolution
Display samples requested by Apple suggest that a future non-Pro Apple Vision headset is likely to have around half the resolution of the existing model. Apple has reportedly requested samples of potential displays from both JDI and Samsung, with.....»»
Xbox Game Pass for iOS discontinued, merges with existing Xbox app
Microsoft has announced a big shift for its mobile app strategy. The standalone Xbox Game Pass app is being discontinued, with its features being merged into the existing Xbox app for iOS. Here are the full details. more….....»»
Rabbit R1 has just 5,000 active users, as we wait to see Jony Ive’s attempt at AI hardware
Former Apple design chief Jony Ive this week confirmed he’s working Sam Altman on an AI hardware product of some kind, despite the failure of existing products like the Humane AI Pin and Rabbit R1. Humane last month admitted that returns were ex.....»»
"Tamed" molecules for more sustainable catalysts: Chemists succeed in synthesizing a spectacular gallium compound
Catalysts play an important role in the manufacture of many products that we encounter in everyday life—for example in cars for exhaust gas purification or in the chemical industry in the production of fertilizers. Catalysts ensure that these react.....»»
Meta rolls out its own version of Advanced Voice Mode at Connect 2024
Meta announced Natural Voice Interactions at its Connect 2024 event. It's a new feature that will allow users to speak directly with the company's chatbot......»»
Talking to ChatGPT for the first time is a surreal experience
Listen to our first audio demo with OpenAI's new natural voice chat features. Enlarge / Putting the "chat" in ChatGPT (credit: Getty Images) In May, when OpenAI first demonstrated ChatGPT-4o's coming audio conversation c.....»»
Climatologists develop more accurate El Niño Southern Oscillation forecasts
Australian climatologists closely monitor atmospheric and oceanic conditions to assess the risk of El Niño Southern Oscillation (ENSO) events occurring, which can lead to devastating natural disasters, however these predictions have become somewhat.....»»
Morphology study paves the way for spider fang-inspired cutting tools
When we think of spiders, the first thing that comes to mind is their ability to weave intricate and robust webs. But their ability to cut their own silk—the toughest natural material—and strong or tough synthetic fibers such as carbon or Kevlar,.....»»
Ford CEO: Being kind not ‘natural to me"
Ford's CEO, at a dinner honoring the 2024 Automotive News Rising Stars, gave advice on identifying talent, managing time and improving himself......»»
Traces of 10 common pharmaceuticals detected in corals in the Gulf of Eilat
A new study from Tel Aviv University and the Steinhardt Museum of Natural History detected traces of 10 common medications in coral samples collected from both shallow and deep sites in the Gulf of Eilat. Sulfamethoxazole, an antibiotic used for resp.....»»
Chemists discover new ways in which single-celled organisms organize their DNA
It has only recently been discovered that single-celled organisms (bacteria and archaea) also have histones—proteins that structure DNA. Now, Leiden Ph.D. candidate Samuel Schwab has found that the histones in these organisms are much more diverse.....»»