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Science News Archive January 2025 - Page 38


Page 38 of 44

Why do birds make so many different sounds? A new UW–Madison study gets at the underlying factors

Researchers analyzed over 100,000 audio recordings from around the world to understand the factors that contribute to the diversity of bird sounds. The study found that larger birds tend to call at lower frequencies, which can indicate hunting pressure in landscapes.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the Royal Society B Biological Sciences·TypeMeta-analysis·DateJan 8, 2025

Breathing life into ancient texts: Unveiling Greco-Roman medicine through modern reenactments

A new study combines science and history to uncover new insights into Greco-Roman medical practices. Researchers recreated Galen's 2nd-century CE dissections, clarifying discrepancies in the text and shedding light on the enduring influence of ancient medicine on modern thought.

SourceThe Hebrew University of Jerusalem·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateJan 7, 2025

One-dimensional perovskite lattice tilts & stretches to stabilize excitons

Researchers demonstrated the existence of an Exciton-Polaron in a quasi-one-dimensional hybrid perovskitoid, showcasing its potential for optoelectronic applications. The study reveals that the one-dimensional lattice is soft and susceptible to reorganization, enabling tunable frameworks for new quantum technologies.

SourceTata Institute of Fundamental Research·JournalThe Journal of Physical Chemistry Letters·TypeExperimental study·DateJan 7, 2025

New research uncovers the impact of external rivalries on workplace collaboration

A recent study published in Strategic Management Journal reveals that employees' external affiliations with rival organizations can significantly disrupt internal teamwork. Researchers found that dual-affiliated employees were less likely to collaborate effectively when working for their shared employer.

SourceStrategic Management Society·JournalStrategic Management Journal·TypeData/statistical analysis·DateJan 7, 2025

Optical imaging technique offers more precise diagnosis of sleep apnea

A recent study has explored a new imaging approach that uses swept-source optical coherence tomography to visualize the upper airway with high precision. By integrating computational fluid dynamics, researchers were able to identify areas of turbulence and pinpoint obstruction sites, leading to more accurate diagnoses and treatment pla...

SourceSPIE--International Society for Optics and Photonics·JournalBiophotonics Discovery·DateJan 7, 2025

Researchers use AI to help predict and identify subtypes of Type 2 diabetes from simple glucose monitor

A new AI-based algorithm can parse three of the four most common Type 2 diabetes subtypes using data from continuous blood glucose monitors. The technology could help individuals take preventative measures by identifying prediabetes warning signs and adjusting dietary or exercise habits accordingly.

SourceStanford Medicine·JournalNature Biomedical Engineering·TypeObservational study·DateJan 7, 2025

New AI technique generates clear images of thick biological samples without the fancy hardware

Researchers have developed a new AI method that produces sharp microscopy images throughout a thick biological sample, count cells more accurately, and trace vessels in embryos. The technique doesn't require additional equipment beyond a standard microscope and is more accessible than traditional adaptive optics techniques.

SourceHoward Hughes Medical Institute·JournalNature Communications·DateJan 7, 2025

SETI Forward recognizes tomorrow’s cosmic pioneers

The SETI Institute's 2024 Forward Award recipients, Gabriella Rizzo and Pritvik Sinhadc, conducted innovative research on extremophiles in deep-sea hydrothermal vents and gravitational wave signals. Their work has the potential to reveal new life forms and technosignatures, pushing humanity's understanding of the universe and our place...

Arkansas Clean Plant Center leads global effort to wipe ‘phantom agents’ from pathogen regulatory lists

The Arkansas Clean Plant Center is leading a global effort to remove over 120 'phantom agents' from pathogen regulatory lists. These outdated agents impede access to clean plant materials, hindering crop production and food security. The center's efforts aim to streamline global germplasm exchange using modern molecular techniques.

SourceUniversity of Arkansas System Division of Agriculture·JournalPlant Disease·TypeObservational study·DateJan 7, 2025

Research reveals unique features of brain cells linked to neurodevelopmental conditions

A recent study has identified distinct features in two types of brain cells, intratelencephalic (IT) neurons and pyramidal tract (PT) neurons, which may affect their vulnerability to neurodevelopmental conditions. The research highlights the importance of understanding how these brain cells exchange information through their synapses.

SourceVlaams Instituut voor Biotechnologie·JournalNature Communications·TypeExperimental study·DateJan 7, 2025

Visual cues for dry skin

Researchers found that emphasizing high-spatial-frequency components of skin lightness decreases the perception of moisture, closely resembling physiological phenomena associated with skin dryness. The study aimed to investigate visual cues for skin moisture and dryness, shedding new light on this crucial aspect of human health.

SourceToyohashi University of Technology (TUT)·JournalJournal of the Optical Society of America A (JOSA)·TypeExperimental study·DateJan 7, 2025

Dinosaurs roamed the northern hemisphere millions of years earlier than previously thought, according to new analysis of the oldest North American fossils

Researchers have discovered a new dinosaur species in present-day Wyoming that challenges the mainstream view on dinosaur emergence and spread. The 230-million-year-old fossil remains suggest dinosaurs were present in the northern hemisphere millions of years earlier than previously known.

SourceUniversity of Wisconsin-Madison·JournalZoological Journal of the Linnean Society·TypeObservational study·DateJan 7, 2025

Study unveils differential lineage plasticity of ependymal cells and astrocytes in spinal cord injury repair

Researchers discovered ependymal cells have limited proliferative capacity after spinal cord injury, whereas astrocytes can transdifferentiate into oligodendrocytes to promote remyelination. Material transplantation enhances astrocyte-mediated repair, offering a promising approach for future SCI therapies.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·DateJan 7, 2025

Breakthrough Durham University research offers new insights into quenching electrical waves in the heart

Researchers at Durham University have developed a theoretical framework to predict the efficacy of quenching electrical pulses in excitable media, such as those found in the human heart. This breakthrough could significantly accelerate the development of more efficient defibrillation techniques for treating cardiac arrhythmias.

SourceDurham University·JournalPhysical Review E·DateJan 7, 2025

Childhood smoking increases a person’s risk of developing COPD

A recent study published in the Journal of the COPD Foundation found that childhood smoking before age 15 significantly increases a person's risk of developing chronic obstructive pulmonary disease (COPD) later in life. The research examined a nationally representative sample of adults and accounted for secondhand smoke exposure, highl...

SourceCOPD Foundation·JournalChronic Obstructive Pulmonary Diseases Journal of the COPD Foundation·DateJan 7, 2025

Research Spotlight: Researchers reveal the influences behind timing of sleep spindle production

A study published in PNAS found that short-term timing patterns of past brain activity are the primary determinant of sleep spindle timing, accounting for over 70% of its variability. These individualized patterns change with age and provide a new target for understanding how sleep supports memory.

SourceBrigham and Women's Hospital·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJan 7, 2025