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First-in-humans discovery reveals brain chemicals at work influencing social behavior

Researchers have discovered a previously unknown neurochemical mechanism behind human tendency to make decisions based on social context. The study reveals the dynamic interactions of dopamine and serotonin in the brain's substantia nigra area, which contribute to our brain's overall assessment of value during social interactions.

SourceVirginia Tech·JournalNature Human Behaviour·TypeExperimental study·DateFeb 26, 2024

Gut-brain communication turned on its axis

Researchers at Flinders University uncovered a major breakthrough in understanding the gut-brain axis, revealing that serotonin released from gut cells must communicate via diffusion to activate sensory nerve endings. This discovery has profound implications for drug development and treatments of mental health and digestive problems.

SourceFlinders University·JournalCell and Tissue Research·TypeExperimental study·DateFeb 26, 2024

Steering and accelerating electrons at the microchip scale

Stanford researchers have successfully accelerated and steered electrons at the microchip scale using silicon dielectric laser accelerators. This breakthrough enables the creation of tiny linear accelerators that could rival larger systems, with potential applications in medical treatments such as targeted cancer therapies.

SourceStanford University·JournalPhysical Review Letters·DateFeb 26, 2024

New discovery suggests significant glacial retreat in West Antarctica began in 1940s

A new study suggests that the Thwaites Glacier and Pine Island Glacier began experiencing significant glacial retreat in the 1940s, driven by an extreme El Niño climate pattern. This finding corroborates previous research on ice sheet dynamics and highlights the importance of external factors in controlling glacier behavior.

SourceUniversity of Houston·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateFeb 26, 2024

HKU chemists pave the way for sustainable organic synthesis with innovative heterogeneous copper photocatalysis, enabling efficient production of diverse bioactive compounds

HKU chemists have developed a novel heterogeneous copper photocatalyst that enables the efficient formation of cyclobutane rings, a crucial structural element in pharmaceuticals and biologically active compounds. The new catalyst exhibits high stability and recyclability, making it more economically and environmentally sustainable.

SourceThe University of Hong Kong·JournalNature Catalysis·TypeExperimental study·DateFeb 26, 2024

Study reveals typical growth patterns for children with Fanconi anemia

A new study has created specific growth charts for children with Fanconi anemia, showing that they tend to be shorter and thinner than other children. The researchers found that boys with the condition have average heights at the lower end of the general population curve, while girls have average heights but variable weights.

SourceUniversity of Minnesota Medical School·JournalAmerican Journal of Medical Genetics·TypeData/statistical analysis·DateFeb 26, 2024

BU researchers describe new technological platform to accelerate drug development

Researchers at Boston University School of Medicine describe a new technological platform that enhances the accuracy and efficiency of drug discovery related to GPCRs. The biosensors can detect the activity of GPCRs in their native cellular context and in real time, allowing for unprecedented fidelity and relative ease.

SourceBoston University School of Medicine·JournalCell·TypeExperimental study·DateFeb 26, 2024

Babies use immune system differently, but efficiently

Research from Cornell University reveals that newborn T cells are more efficient at responding to early stages of an infection and defending against unknown bacteria, parasites, and viruses. This discovery clarifies why infants respond differently to infections, paving the way for therapeutic applications.

SourceCornell University·JournalScience Immunology·DateFeb 23, 2024

Artificial intelligence matches or outperforms human specialists in retina and glaucoma management, Mount Sinai study finds

A new study published in JAMA Ophthalmology suggests that artificial intelligence can match or exceed the expertise of seasoned ophthalmic specialists in diagnosing and treating patients with glaucoma and retina disorders. The AI system, GPT-4, demonstrated superior performance in response to glaucoma questions and case-management advice.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalOphthalmology·TypeContent analysis·DateFeb 22, 2024

Nanoscale manipulation of exciton–trion interconversion in a MoSe2 monolayer via tip-enhanced cavity-spectroscopy

Researchers have developed a novel 'nano active control platform' to control excitons and trions, providing valuable insights into the optical properties of two-dimensional semiconductors. The breakthrough discovery enables real-time analysis of nano-light properties with exceptional spatial resolution.

Pennington Biomedical researchers looking for new ways to improve life span and health during aging

Researchers found that a compound called BAM15 makes mitochondria less efficient at producing energy, extending life span and improving body composition in fruit flies. The study also showed reduced age-related decline in motor activity. Further studies are needed to confirm these findings in humans.

SourcePennington Biomedical Research Center·JournalAging Cell·TypeExperimental study·DateFeb 21, 2024

Physicists discover a quantum state with a new type of emergent particles: six-flux composite fermions

Researchers at Purdue University have discovered a new type of emergent particle, the six-flux composite fermion, which explains rare quantum states in host materials. This discovery expands our understanding of topological electron physics and has significant implications for the ordering of known fractional quantum Hall states.

SourcePurdue University·JournalNature Communications·DateFeb 21, 2024

Chan Zuckerberg Initiative selects U of M Medical School assistant professor for collaborative grant award

Madhu Kannan, a University of Minnesota Medical School assistant professor, has been selected for the Chan Zuckerberg Initiative's Collaborative Pairs Pilot Project Awards to explore innovative approaches to understanding human prion diseases. The project will utilize cutting-edge approaches combining gene editing and neural activity i...

UT Health Science Center researchers partner on multi-institutional $20 million award to develop new radiopharmaceutical cancer therapies

Researchers at UT Health Science Center, in collaboration with Oak Ridge National Laboratory and the University of Tennessee, Knoxville, will develop new radiopharmaceutical therapies to treat cancer. The team aims to advance precision cancer treatment using targeted alpha-emitting radioisotope constructs.

Taking spatial omics into the next dimension

Researchers have published novel spatial omics algorithms and tools in GigaScience and GigaByte journals to analyze biological data-based spatial information. These new methods enable the discovery of spatial domains, improvement of data quality, and better clustering of cells.

SourceGigaScience·JournalGigaScience·TypeExperimental study·DateFeb 19, 2024

Do AI-driven chemistry labs actually work? New metrics promise answers

Researchers at North Carolina State University are developing a suite of performance metrics to standardize the evaluation of self-driving labs in chemistry and materials science. These metrics aim to compare different lab technologies and identify areas for improvement, ultimately advancing the field and accelerating discovery.

SourceNorth Carolina State University·JournalNature Communications·TypeCommentary/editorial·DateFeb 15, 2024

Researchers observe highly excited ‘roaming’ energy pathway in chemical reactions

Chemical reactions were long thought to occur along minimum energy paths. However, researchers have now observed 'roaming' reactions that stray from this path even in highly excited energy states. This discovery has significant implications for understanding atmospheric chemistry and the production of molecular oxygen.