Add BrightSurf on Google Email

Science News Archive 2024 - Page 253


Page 253 of 484

The evolution of firefly lights

A genomic analysis overturned the leading hypothesis on firefly light origin, revealing that lucibufagins, a toxic compound, evolved after bioluminescence development. Fireflies' ancestors diversified during a period of rising atmospheric oxygen levels, suggesting a similar path to glowing millipedes.

SourcePNAS Nexus·JournalPNAS Nexus·DateJun 25, 2024

Battling anthracnose: Unearthing the plant's arsenal against pathogenic fungi

Researchers have identified four novel core effectors from the pear anthracnose pathogen Colletotrichum fructicola that trigger significant immune responses in nonhost plant Nicotiana benthamiana. This discovery could transform approaches to plant disease management and bolster crops against devastating fungal infections.

A model of Collaborative Ethics to guide translational research from fundamental discoveries to real-world applications

The Collaborative Ethics model, developed by Jeantine Lunshof and Julia Rijssenbeek, aims to address ethical implications of emerging technologies from fundamental discoveries. By integrating philosophical and ethical reassessment into research processes, the model facilitates decision points for researchers and ethicists.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalNature Methods·TypeCommentary/editorial·DateJun 25, 2024

Public health beliefs predict support for climate action, study shows

A new study by Annenberg Public Policy Center researchers finds that science-consistent beliefs about climate change's public health effects predict support for climate policies. The study controlled for belief in climate change's existence and cause, highlighting the importance of grounded knowledge in promoting climate action.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalJournal of Health Communication·TypeSurvey·DateJun 25, 2024

Geological archives predict our climate future

Researchers from UNIGE have measured the increase in soil erosion caused by global warming, with a four-fold increase observed in sediments from the Paleocene-Eocene Thermal Maximum. This study suggests that current warming could lead to similar effects, increasing flood risks and threatening populated areas.

SourceUniversité de Genève·JournalGeology·TypeNews article·DateJun 25, 2024

Pauses in human activity benefit biodiversity

A study published in Global Ecology and Conservation found that Covid-19 lockdowns increased the quality of species' habitats due to decreased pollution and human mobility. This led to improved water quality, cleaner air, and more affordable natural resources, ultimately benefiting both biodiversity and human health.

SourceUniversity of Córdoba·JournalGlobal Ecology and Conservation·TypeObservational study·DateJun 25, 2024

Think you might have COVID? Wait two days to test

A new mathematical model suggests that waiting two days after symptoms arise for rapid COVID tests can increase accuracy by reducing false negatives. The model also recommends a 'test-to-exit' strategy to prevent infections and minimize inconvenience, which may be more effective than the five-day isolation policy.

SourceUniversity of Colorado at Boulder·JournalScience Advances·TypeData/statistical analysis·DateJun 25, 2024

Study: Teacher perceptions of chronically absent young students may add to the challenges of missing school

A new study found that early elementary school teachers report feeling less close to chronically absent students and viewing them less positively. Teachers in kindergarten, first grade, and second grade also perceive these students as having worse interpersonal skills and academic difficulties, despite not causing trouble in the classr...

Improving transformation frequency in maize

Researchers at VIB-UGent Center for Plant Systems Biology have developed a new method to improve maize transformation frequency using ternary vectors and morphogenic regulators. By combining these technologies, they achieved a 20-fold increase in transformed plants, paving the way for more effective research and innovative applications.

SourceVlaams Instituut voor Biotechnologie·JournalThe Plant Journal·TypeExperimental study·DateJun 24, 2024

ACP offers recommendations to support LGBTQ+ health care equity

The American College of Physicians reaffirms its policies on LGBTQ+ health, emphasizing the need for access to evidence-based gender-affirming care and research into improving care for transgender individuals. The updated policy paper also recommends protecting civil rights and implementing public policies that uphold the ability to ta...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateJun 24, 2024

Researchers engineer AI path to prevent power outages

University of Texas at Dallas researchers develop AI model that can automatically reroute electricity in milliseconds to prevent power outages. The system uses machine learning to map complex relationships between entities in a power distribution network, enabling faster response times than human-controlled processes.

SourceUniversity of Texas at Dallas·JournalNature Communications·TypeExperimental study·DateJun 24, 2024

Fight the late-night bright light

A Flinders University study found that exposure to brighter light at night is associated with a higher risk of developing type 2 diabetes. The research used data from approximately 85,000 people and tracked their light levels for nine years.

SourceFlinders University·JournalThe Lancet·TypeExperimental study·DateJun 24, 2024

Social media use is associated with more frequent vaccination

Researchers found a consistent positive relation between social media use and vaccination across all major political parties. For Democrats, social media exposure predicted greater vaccine uptake due to increased information about new pathogens. For Republicans, believing others were vaccinated was the key factor.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalSocial Science & Medicine·TypeSurvey·DateJun 24, 2024

Study Shows Stricter Alcohol Policies Are Associated with Reduction in Homicides

A recent statistical analysis published in the American Journal of Preventive Medicine reveals a significant association between more restrictive alcohol policy environments and lower homicide rates. The study suggests that adopting stricter policies could lead to a reduction in approximately 1200 homicides annually.

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateJun 24, 2024

Study elucidates role of “G900” gene enhancers in asthma-associated inflammation

Researchers found that mice lacking the G900 region exhibit reduced inflammatory response and suppressed Th2 differentiation when exposed to allergens. This discovery highlights the importance of the G900 gene enhancer in regulating immune responses and has implications for personalized treatments and asthma care.

SourceChiba University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJun 24, 2024