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Science News Archive May 2023 - Page 34


Page 34 of 40

Scurrying centipedes inspire many-legged robots that can traverse difficult landscapes

Researchers developed a new theory of multilegged locomotion, creating robotic models that can move across uneven surfaces without sensors. The robot's leg redundancy enables it to transport itself and loads on challenging terrain, making it suitable for applications like agriculture, space exploration, and search and rescue.

SourceGeorgia Institute of Technology·JournalScience·TypeExperimental study·DateMay 4, 2023

Red flags indicate risk for early-onset colorectal cancer

Researchers have found four key red flags for early-onset colorectal cancer, including abdominal pain and rectal bleeding, which can indicate an increased risk in younger adults. Early detection through timely endoscopy and follow-up is crucial to improve survival rates.

SourceWashU Medicine·JournalJNCI Journal of the National Cancer Institute·TypeData/statistical analysis·DateMay 4, 2023

Quan­tum com­puter in reverse gear

Researchers at the University of Innsbruck have developed reversible parity gates for integer factorization using quantum computers. This breakthrough enables the solution of a crucial pillar of cryptography, allowing for faster and more efficient factorization.

SourceUniversity of Innsbruck·JournalCommunications Physics·DateMay 4, 2023

Gene responsible for severe facial defects identified

A team of researchers from UNIGE and Beihang University has identified the FOXI3 gene as responsible for one form of Goldenhar syndrome, a rare congenital disorder. Pathogenic variants in both copies of the FOXI3 gene are necessary for the disease to develop, following an autosomal recessive inheritance pattern.

SourceUniversité de Genève·JournalNature Communications·TypeNews article·DateMay 4, 2023

University of Southern California launches $1B-plus initiative for computing including AI, advanced computation and quantum computing

The University of Southern California has launched a $1 billion-plus initiative for computing research and education, focusing on AI, machine learning, data science, and emerging technologies. The initiative aims to integrate digital literacy across disciplines and prepare students for a more tech-intensive world.

Sexist and impossible standards are still entrenched in UK political reporting, new study finds

A new study by the University of Surrey found that UK mainstream media continues to apply impossible and sexist standards to female politicians, particularly after Brexit. The research highlights how language and framing can reinforce sexist beliefs, associating femininity with weakness and men with 'masculine strength'.

SourceUniversity of Surrey·JournalFeminist Media Studies·TypeObservational study·DateMay 4, 2023

Bio-inspired device captures images by mimicking human eye

Scientists at Penn State developed a new device that produces high-fidelity images by mimicking the red, green, and blue photoreceptors and neural network found in human eyes. The device uses narrowband perovskite photodetectors and a neuromorphic algorithm to process information and produce clear images.

SourcePenn State·JournalScience Advances·TypeExperimental study·DateMay 4, 2023

Chimpanzees combine calls to communicate new meaning

A study by the University of Zurich found that chimpanzees understand and respond strongly to combined calls, which they use to recruit group members in threatening situations. This discovery sheds light on the potential evolutionary origins of language's compositional structure, suggesting it may be at least 6 million years old.

SourceUniversity of Zurich·JournalNature Communications·TypeObservational study·DateMay 4, 2023

Organoids validated as tool for studying fetal intestine development

Cincinnati Children's scientists have successfully grown functional human intestinal organoids that mimic key development stages of the human fetus. These lab-grown tissues accurately replicate the formation of specific cell types and tissue structures, providing a valuable resource for studying fetal intestine development and potentia...

SourceCincinnati Children's Hospital Medical Center·JournalDevelopment·TypeExperimental study·DateMay 4, 2023

Epilepsy medicine during pregnancy associated with increased risk of psychiatric disorders in children

A major international study found that women taking certain epilepsy medicines during pregnancy are at a higher risk of having children develop severe psychiatric disorders. The study, which analyzed data from 38,000 children, highlights the importance of carefully weighing the risks and benefits of medication use during pregnancy.

SourceAarhus University·JournalJAMA Neurology·TypeData/statistical analysis·DateMay 4, 2023

New ACR Breast Cancer Screening Guidelines call for earlier and more-intensive screening for high-risk women

The American College of Radiology (ACR) has introduced new guidelines recommending earlier and more intensive breast cancer screening for high-risk women, including Black women. According to the ACR, risk assessment by age 25 is necessary to determine if screening should start before age 40.

SourceElsevier·JournalJournal of the American College of Radiology·TypeLiterature review·DateMay 4, 2023

Archaeologists map hidden NT landscape where first Australians lived more than 60,000 years ago

Scientists have used sub-surface imaging and aerial surveys to uncover the Red Lily Lagoon area in West Arnhem Land, revealing significant implications for understanding the First Australians. The study provides a new way to understand the rock art in the region, which is recognized globally for its significance and distinctive style.

SourceFlinders University·JournalPLOS ONE·TypeSurvey·DateMay 4, 2023

Fred Hutch study highlights racial disparities in ovarian cancer risk for women

A recent Fred Hutchinson Cancer Center study found that fibroids were associated with an increased risk of ovarian cancer in both Black and white women, while hysterectomy modified this risk for white women but not Black women. The study highlights the need for further research into racial disparities in ovarian cancer risk.

SourceFred Hutchinson Cancer Center·JournalObstetrics and Gynecology·TypeObservational study·DateMay 4, 2023

High school students learn the basics of base editing to cure “GFP-itis”

Students participate in a genome-editing experiment to correct a mutation that causes 'GFP-itis', gaining hands-on experience with gene editing and understanding its therapeutic potential. The program aims to encourage critical thinking about the implications of germline genome editing and inspire students to pursue careers in STEM.

SourceUniversity of California - San Diego·JournalThe CRISPR Journal·TypeNews article·DateMay 4, 2023

Social-belonging intervention promotes college success, increasing proportion of students who complete first year

A randomized controlled experiment involving 26,911 students at 22 diverse U.S. universities found that a low-cost online social-belonging intervention increased the rate of students completing their first year as full-time students, particularly among historically underrepresented groups. The study demonstrates the efficacy of this in...

Young men at highest risk of schizophrenia linked with cannabis use disorder

A recent NIH study reveals that young men with cannabis use disorder are at a higher risk of developing schizophrenia. The study analyzed health records data from over 6 million people in Denmark and found that as many as 30% of schizophrenia cases among young men aged 21-30 might have been prevented by averting cannabis use disorder.

SourceNIH/National Institute on Drug Abuse·JournalPsychological Medicine·DateMay 4, 2023

Declines in racial disparities in COVID mortality in 2021 were largely driven by increases in white mortality and changing pandemic geography

A study found that declines in racial disparities in COVID-19 mortality rates were largely due to increases in mortality among White individuals, rather than decreases in non-Hispanic Black and Hispanic populations. The shift from urban to rural areas also contributed to the decline.

SourceBoston University School of Public Health·JournalJAMA Network Open·TypeObservational study·DateMay 4, 2023

The Texas Heart Institute and The University of Texas at Austin awarded a National Institutes of Health grant to develop injectable hydrogel electrodes to prevent ventricular arrhythmias

The Texas Heart Institute and The University of Texas at Austin receive a four-year, $2.37 million NIH grant to develop injectable hydrogel electrodes for preventing and managing ventricular arrhythmias. Researchers have already demonstrated the feasibility of pacing the heart using the hydrogel in a porcine model.

Obesity as a risk factor for colorectal cancer underestimated so far

A recent study has shown that obesity is a significant risk factor for colorectal cancer, with overweight individuals having a one-third higher risk of developing the disease. The study also found that unintentional weight loss in the years leading up to diagnosis may be an early indicator of colorectal cancer.

Pusan National University researchers develop high-adsorption phosphates for radionuclide cesium ion capture

Researchers at Pusan National University have developed high-adsorption phosphates that can efficiently capture radionuclide cesium ions. These phosphates outperform standard adsorbents with record-high adsorption capacities, making them promising candidates for radioactive waste disposal.

SourcePusan National University·JournalJournal of Hazardous Materials·TypeExperimental study·DateMay 4, 2023

Machine learning can support urban planning for energy use

Researchers at Drexel University developed a machine learning model to predict Philadelphia's future energy use based on zoning decisions and building characteristics. The model uses two machine learning programs to tease out patterns from massive datasets and make projections about future energy consumption.

SourceDrexel University·JournalEnergy and Buildings·TypeData/statistical analysis·DateMay 4, 2023

AI could run a million microbial experiments per year

A new AI system, BacterAI, has mapped the metabolism of two beneficial bacteria associated with oral health. By testing hundreds of amino acid combinations daily, it discovered the required nutrients for their growth, producing accurate predictions 90% of the time. This technology could drastically speed up scientific discoveries in va...

SourceUniversity of Michigan·JournalNature Microbiology·DateMay 4, 2023

Stowers Institute scientists discover the dynamics of an “extra” chromosome in fruit flies

Researchers at the Stowers Institute for Medical Research have revealed the dynamics of a new, young chromosome in fruit flies similar to those found in humans associated with treatment-resistant cancer and infertility. The B chromosomes are maintained by meiotic drive, enabling them to persist in a genome.

SourceStowers Institute for Medical Research·JournalCurrent Biology·TypeExperimental study·DateMay 4, 2023

"Resilience in dark times”: At-home yoga reduces anxiety, improves short-term memory

A virtual yoga program led by Sean Mullen reduced stress and anxiety in full-time working adults, improving short-term memory. The study used moderate-intensity yoga sequences to investigate its benefits for executive functioning and adherence to exercise programs.

SourceBeckman Institute for Advanced Science and Technology·JournalJournal of Behavioral Medicine·TypeRandomized controlled/clinical trial·DateMay 4, 2023

Happy worms have healthy eggs

A new study found that selective serotonin reuptake inhibitors (SSRIs) improved the quality of aging females' egg cells in roundworms by reducing embryonic death and chromosomal abnormalities. Replication in fruit flies confirmed the findings, suggesting a shared signaling system between species.

SourceNorthwestern University·JournalDevelopmental Biology·DateMay 4, 2023

Alzheimer’s: modulation of cell membrane influences formation of amyloid-β

A team of researchers led by Prof. Harald Steiner has found that modifying cell membrane properties can affect the production of amyloid-β protein in Alzheimer's disease. The study showed that adding long-chain fatty acids to membranes altered enzyme activity, leading to non-uniform effects on amyloid-β production.

SourceLudwig-Maximilians-Universität München·JournalJournal of Biological Chemistry·DateMay 4, 2023

A special omega-3 fatty acid lipid will change how we look at the developing and ageing brain, Duke-NUS researchers find

Researchers at Duke-NUS Medical School have identified a special transporter protein that regulates the formation of myelin sheaths in the brain, which protect nerves from damage. The study suggests that omega-3 fatty acid lipids play a crucial role in directing oligodendrocyte development, a process critical for brain myelination.

SourceDuke-NUS Medical School·JournalJournal of Clinical Investigation·DateMay 4, 2023