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RNA 'cut-and-patch' tool repairs faulty messages without altering DNA

A research team from the School of Biomedical Sciences at the LKS Faculty of Medicine, the University of Hong Kong (HKUMed), has achieved a significant advance in biotechnology that could revolutionize treatment strategies for neurodegenerative diseases. The team has developed a novel tool called RNA Segment Editing (RSE), which functions like a "cut-and-patch" tool for RNA. This innovative approach allows scientists to precisely remove or replace faulty segments of genetic messages within...

Phys.org 8d ago

Biomaterial made from jackfruit latex is a promising treatment for periodontitis

Biomaterial made from jackfruit latex is a promising treatment for periodontitis Gaby Clark Scientific Editor Robert Egan Associate Editor Researchers from the Faculty of Medical and Health Sciences (FCMS) at the Pontifical Catholic University of São Paulo (PUC-SP) in Sorocaba, in the interior of the state of São Paulo, Brazil, have developed a biomaterial containing jackfruit latex, pomegranate peel extract, and simvastatin (a statin-based medication) that shows promising efficacy in...

Phys.org 7d ago

Redesigning an elusive bacterial enzyme into an efficient green catalyst

Redesigning an elusive bacterial enzyme into an efficient green catalyst Sadie Harley Scientific Editor Robert Egan Associate Editor Industrial oxidation chemistry is a cornerstone of modern manufacturing, accounting for nearly one-third of all chemical industrial processes. While essential for making pharmaceuticals, dyes, and many specialty chemicals, industrial oxidation typically relies on high-temperature, high-pressure processes involving toxic oxidizing agents. This has motivated...

Phys.org 7d ago

How drought rewires roots, cutting iron uptake across major food crops

How drought rewires roots, cutting iron uptake across major food crops Sadie Harley Scientific Editor Robert Egan Associate Editor New research by scientists at the University of Calgary has found that plants, ranging from canola to rice to tomatoes, actively shut down their own ability to take up iron when they experience drought. It's a finding that could have implications for the nutritional value of agricultural crops. The study, published in the journal Cell, questions whether plants...

Phys.org 9d ago

Passive AI use at work increases feelings of work meaninglessness, study finds

Approximately 88% of organizations around the world implemented artificial intelligence (AI) into at least one business function by the end of 2025, the latest McKinsey Global Survey on the state of AI found. Despite promised productivity gains, passive AI use at work, where employees copy-and-paste AI responses to complete tasks, can make people doubt their skills and find their work meaningless, according to a study co-authored by a faculty member from Penn State's Smeal College of...

Phys.org 5d ago

Bacteria uncover distinct strategy to import rare sugar polymers, crystal structures show

Bacteria uncover distinct strategy to import rare sugar polymers, crystal structures show Sadie Harley Scientific Editor Andrew Zinin Lead Editor Even though sugars are often framed as simple sources of energy, they also serve as structurally complex and functionally diverse molecules that mediate interactions between organisms. Among these, β-1,2-glucans, which are a class of glucose-based polymers, stand out for their varied and sometimes subtle roles. Found across a wide range of...

Phys.org 9d ago

Empirical assessment of ChatGPT's answering capabilities in natural science and engineering

arXiv:2309.10048v2 Announce Type: replace Abstract: ChatGPT is a powerful language model from OpenAI that is arguably able to comprehend and generate text. ChatGPT is expected to greatly impact society, research, and education. An essential step to understand ChatGPT's expected impact is to study its domain-specific answering capabilities.

arXiv CS 1d ago

Antihydrogen mirrors hydrogen in upgraded spectrum test, narrowing cosmic mystery

The University of Calgary researchers, led by Dr. Timothy Friesen, have made a significant breakthrough in understanding the universe by comparing the spectrum of hydrogen to its antimatter counterpart, antihydrogen. This new measurement brings them one step closer to solving a long-standing mystery of the universe.

Phys.org 12d ago

Record ultraviolet quasar wind reaches 30% light speed near supermassive black hole

Record ultraviolet quasar wind reaches 30% light speed near supermassive black hole Gaby Clark Scientific Editor Robert Egan Associate Editor A team led by York University researchers has discovered the fastest wind near a supermassive black hole ever found at ultraviolet wavelengths, driven by the disk of matter (quasar) surrounding the black hole. "This quasar has a black hole of 1.7 billion times the mass of the sun. What's not typical is that it has gas moving towards us at 30% of the...

Phys.org 5d ago

'Invisible' nicotine grips young people and raises alarm among public health experts

After the WHO warned that nicotine pouches may be addictive and harm brain development, their use is rising in Portugal amid legal limbo, while officials and experts debate regulation of a booming market. Small, discreet and smokeless. Nicotine pouches are gaining ground in Portugal, even before a full legal framework exists for their sale and advertising.

Euronews 9d ago