Add BrightSurf on Google Email

Science News Archive January 2024 - Page 11


Page 11 of 37

Harnessing skin cancer genes to heal hearts

Researchers at Duke University successfully introduced a mutated BRAF gene into rat heart tissue, inducing growth and cell division. However, the approach was associated with significant loss of contractile strength, highlighting the need for precise control over gene activation and delivery.

SourceDuke University·JournalScience Advances·TypeExperimental study·DateJan 24, 2024

DNA from preserved feces reveals ancient Japanese gut environment

Researchers analyzed ancient fecal samples to assess what details of the ancient people's lives could be ascertained from these samples. The study found DNA fragments of human betaherpesvirus 5, adenovirus F, and other viral and bacterial genetic material from thousands of years ago.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateJan 24, 2024

North China fossils show eukaryotes first acquired multicellularity 1.63 billion years ago

The discovery of 1.63-billion-year-old multicellular fossils from North China reveals that eukaryotes acquired simple multicellularity approximately 1.05 billion years ago. This finding supports the early appearance of the last eukaryotic common ancestor in the late Paleoproterozoic, consistent with molecular clock studies.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·TypeMeta-analysis·DateJan 24, 2024

Chemistry professor R. Graham Cooks expands research of water droplet interfaces that offer the secret ingredient for building life

Researchers have found that the key step to protein formation can occur in droplets of pure water, where amino acids connect to form peptides with the same 'L' handedness. The discovery resolves a paradox and provides new insights into the early stages of life's chemical evolution.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateJan 24, 2024

Misinformation and irresponsible AI - experts forecast how technology may shape our near future

A study by Lancaster University forecasts exponential growth in Artificial Intelligence over the next 15 years, with experts warning of corners being cut in safe AI development. The experts also predict that advances in technology will make it harder to distinguish truth from fiction, with potential ramifications for democracies.

SourceLancaster University·JournalComputer·TypeSurvey·DateJan 24, 2024

Discovering the optimal combination of anticancer drug administration for the conditioning of cord blood transplantation

Researchers discovered that combining fludarabine, melphalan, and low-dose total-body irradiation offers the best survival rate and lowest relapse rate in cord blood transplantation for myeloid malignancies. The study analyzed data from 1395 cases and found fewer deaths from infection with this combination.

SourceUniversity of Tsukuba·JournalAmerican Journal of Hematology·DateJan 24, 2024

Risk of death during heatwaves in Brazil linked to socioeconomic factors

A new study found that heatwaves in Brazil are disproportionately affecting female, elderly, Black, Brown, and low-education individuals, resulting in a staggering 48,075 deaths between 2000 and 2018. The research highlights the need for targeted efforts to reduce mortality rates during future heatwaves.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateJan 24, 2024

Hypoxia visualized by endoscopic imaging as an objective indicator for assessing bowel urgency and ulcerative colitis disease activity

Researchers at University of Tsukuba discovered a correlation between hypoxia levels and clinical symptoms in UC patients. Lower oxygen saturation in the rectal mucosa was associated with greater severity of colitis, making this method a potential tool for objective measurement of disease activity.

SourceUniversity of Tsukuba·JournalGastrointestinal Endoscopy·DateJan 23, 2024

Quickly and easily predict emerging contaminant concentrations in wastewater with artificial intelligence

Researchers at KIST developed a clustering and predictive AI model to classify known trace substances and predict their concentrations. The model achieved an accuracy of 0.75, surpassing existing techniques, and can be applied to wastewater treatment facilities, providing quick and accurate data for policy-making.

Major climate benefits with electric aircraft

Researchers found that small electric aircraft can have a notably lower climate impact – up to 60 percent less – and other types of environmental impacts than equivalent fossil-fuelled aircraft. The study also highlights the need for longer battery lifetimes and improved energy storage capacity to minimize mineral resource scarcity.

SourceChalmers University of Technology·JournalThe International Journal of Life Cycle Assessment·TypeData/statistical analysis·DateJan 23, 2024

Mind the (green) gap

Scientists have discovered a new path to overcome the significant challenge of creating efficient green LEDs. By utilizing cubic III-nitride materials with an innovative aspect ratio phase trapping technique, researchers have successfully synthesized a green-emitting layer achieving up to 32% internal quantum efficiency.

SourceUniversity of Illinois Grainger College of Engineering·JournalApplied Physics Letters·DateJan 23, 2024

Hopp Children's Cancer Center Heidelberg launches development cooperation to provide children worldwide with modern cancer diagnostics

The Hopp Children's Cancer Center Heidelberg has launched a development cooperation to establish modern molecular cancer diagnostics for children in low-income countries. Scientists from partner countries have received training and laboratory equipment to use an AI-based methylation analysis algorithm developed in Heidelberg.

Detention fails to help young lawbreakers avoid further offenses, report shows

A new report from the Association for Psychological Science finds that youth who receive therapy, life-skills training, and other rehabilitative help are less likely to reoffend than those who face legal punishment. The study suggests that minimizing formal processing and expanding diversion programs can improve community safety.

SourceAssociation for Psychological Science·JournalPsychological Science in the Public Interest·TypeLiterature review·DateJan 23, 2024

Study offers rare long-term analysis of techniques for creating standing dead trees for wildlife habitat

A study examined nearly 800 large-diameter Douglas-fir trees to determine the most effective methods for creating standing dead trees. The results showed that chain-saw topping is the best way to create snags with significant decay within two decades, while mechanical wounding and fungal inoculation have limited efficacy. This research...

SourceOregon State University·JournalForest Ecology and Management·TypeExperimental study·DateJan 23, 2024

HKUMed identifies PLK4 as a promising therapeutic target for TP53 mutated AML, demonstrated in Queen Mary Hospital and other studies

A research team at HKUMed has identified PLK4 as a novel therapeutic target for acute myeloid leukaemia (AML) carrying the TP53 mutation. The study found that PLK4 inhibition induces DNA damage, cell ageing and abnormal cell division, triggering the immune system via the cGAS-STING pathway.

SourceThe University of Hong Kong·JournalBlood·TypeExperimental study·DateJan 23, 2024

World's largest database of weeds lets scientists peer into the past, and future, of global agriculture

A new database of 928 weed species provides a unique insight into the history of agriculture and its ability to adapt to changing conditions. The data reveals trends in arable agriculture over time and how farming practices have varied in different environments, offering potential solutions for modern-day food production.

SourceUniversity of Sheffield·JournalVegetation History and Archaeobotany·DateJan 23, 2024