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Science News Archive February 2025 - Page 9


Page 9 of 44

Submersible robot surfs water currents

Researchers developed a submersible robot that leverages vortices to boost efficiency in autonomous underwater vehicles. By 'surfing' vortex rings, CARL reduces energy consumption by one-fifth compared to traditional methods.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 25, 2025

The impact of smoking on respiratory rehabilitation efficacy and correlation analysis in patients with chronic obstructive pulmonary disease: a retrospective study

A retrospective study found that smoking negatively affects respiratory rehabilitation efficacy in COPD patients, leading to inferior pulmonary function improvements and reduced quality of life compared to non-smokers. Non-smokers showed significant gains in exercise capacity and sleep quality post-rehabilitation.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

Adherence to the Mediterranean diet and obesity-linked cancer risk

A recent study published in JAMA Network Open has found that higher adherence to the Mediterranean diet is associated with a modest reduction in the risk of obesity-related cancers. The findings suggest that further research is needed to clarify the mechanisms by which the Mediterranean diet may contribute to cancer prevention.

SourceJAMA Network·JournalJAMA Network Open·DateFeb 25, 2025

From waste to wonder: Revolutionary green grout for sustainable construction practices

A novel carbon-neutral grout, CSRGF, has been developed by recycling waste fluids from geothermal energy harvesting plants, addressing environmental challenges in traditional grouting methods. The new material shows remarkable performance, with a 50% increase in liquefaction resistance and superior water-sealing properties.

SourceShibaura Institute of Technology·JournalCase Studies in Construction Materials·TypeExperimental study·DateFeb 25, 2025

New study reveals Neanderthals experienced population crash 110,000 years ago

A new study found that Neanderthals experienced a drastic loss of genetic variation approximately 110,000 years ago, leading to their eventual extinction. The research measured the morphological diversity in semicircular canals, which revealed lower diversity in classic Neanderthals compared to pre-Neanderthals and early Neanderthals.

SourceBinghamton University·JournalNature Communications·TypeComputational simulation/modeling·DateFeb 25, 2025

Morphomic predictors for post-esophagectomy pulmonary complications and overall survival

Increased visceral adipose tissue density and decreased skeletal muscle area are predictors of post-esophagectomy pulmonary complications. Decreased skeletal muscle density is associated with poorer overall survival. Routine morphomic analysis can help identify patients at risk and tailor perioperative care.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

From defect to high-tech material

Researchers at HZDR and TU Dresden developed a method to produce well-defined nanoparticles with controlled composition and structure, enabling the creation of complex materials with integrated functions. The team's innovative approach combined cation exchange with advanced synthetic, experimental, and theoretical methods.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalSmall·TypeExperimental study·DateFeb 25, 2025

Longest-runout undersea sediment flows analysed in unprecedented detail

A team of scientists has developed a new method to monitor undersea sediment flows, allowing them to track the longest-runout sediment flows ever recorded. The study reveals that turbulent mixing with seawater influences the behavior of these powerful canyon-flushing turbidity currents over long distances.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Communications·TypeObservational study·DateFeb 25, 2025

Rethinking equity in electric vehicle infrastructure

A recent study led by Qian found that income, rather than proximity, is the dominant factor in determining who benefits most from public EV infrastructure. Wealthier individuals have more flexibility to spend time at charging stations while charging their vehicles, whereas lower-income communities struggle to integrate public charging ...

Orthopedic team from Peking Union Medical College Hospital publishes longest-term follow-up study on post-TKA outcomes in Chinese patients with knee osteoarthritis

A follow-up study of over 20 years provides insight into the long-term effectiveness of TKA for knee disorders in a Chinese cohort, showing high prosthesis survivorship and patient satisfaction rates. The research addresses the lack of data on extended TKA follow-up for Chinese populations.

Humans inherited their flexible joints from the earliest jawed fish

Researchers discovered synovial joints in ancient fish lineages, suggesting these features first evolved in jawed vertebrates. The study's findings shed light on the origins of humans' flexible joints and provide critical information for research into vertebrate skeletal architecture.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateFeb 25, 2025

Clashing with classmates: Off-putting traits spark enemy relationships

A new longitudinal study from Florida Atlantic University finds that students who exhibit off-putting behaviors are at elevated risk of antagonizing others and becoming involved in enemy relationships. Emotional reactivity and poor school performance are also strong predictors of later participation in an enemy relationship.

SourceFlorida Atlantic University·JournalJournal of Youth and Adolescence·TypeSurvey·DateFeb 25, 2025

Unraveling the molecular mechanisms of tumor metastasis: Insights and therapeutic strategies

The review delves into genetic, epigenetic, and molecular mechanisms driving tumor metastasis, highlighting the roles of chromosomal instability, epigenetic modifications, and tumor microenvironment interactions. It also discusses the impact of specific genetic mutations and RNA modifications on metastatic behavior.

What makes cancer cells weak

A study by Andreas Koeberle and colleagues reveals that certain natural substances can increase polyunsaturated fatty acids in cancer cell membranes, making them susceptible to ferroptosis, a type of cell death. This discovery creates new avenues for treating therapy-resistant tumours.

SourceUniversity of Graz·JournalNature Communications·TypeExperimental study·DateFeb 25, 2025

Robots learn how to move by watching themselves

Researchers at Columbia University developed a way for robots to autonomously model their own 3D shapes using a single camera, enabling them to understand and adapt to their movements. This breakthrough allows robots to overcome damage to their bodies, making them more reliable and resilient for various applications.

SourceColumbia University School of Engineering and Applied Science·JournalNature Machine Intelligence·TypeNews article·DateFeb 25, 2025

Why is Mars red? Scientists may finally have the answer

A new study published in Nature Communications suggests that the water-rich iron mineral ferrihydrite is responsible for Mars' iconic red color. The research, led by Brown University researchers, analyzed data from Martian orbiters and rovers, as well as laboratory simulations, to reach this conclusion.

SourceBrown University·JournalNature Communications·DateFeb 25, 2025

MD Anderson researchers develop novel antibody-toxin conjugate

Researchers at MD Anderson Cancer Center have developed a novel antibody-toxin conjugate that stimulates the immune system to recognize and attack cancer cells. The new approach combines the benefits of ADCs with immunotherapies, allowing the body's natural immune response to limit side effects and prevent tumor recurrence.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature Cancer·TypeRandomized controlled/clinical trial·DateFeb 25, 2025

Have we been wrong about why Mars is red?

New analysis of spacecraft observations and laboratory techniques reveals that Mars's red colour is better matched by ferrihydrite, an iron oxide containing water. This discovery transforms our understanding of why Mars is red and suggests that the planet rusted earlier than previously thought.

SourceEuropean Space Agency·JournalNature Communications·TypeExperimental study·DateFeb 25, 2025