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Science News Archive 2021 - Page 391


Page 391 of 510

Diabetes patients to benefit from new 3D bio-printing technique for bone repair

Researchers have developed an effective method for managing bone defects in diabetes patients using 3D bioprinted bone-repair scaffolds infused with bone marrow stem cells and macrophage. This technique has the potential to accelerate bone repair and improve outcomes for individuals with diabetes.

Predicting who may do best with psychedelic-assisted therapy

A new review identifies key personality traits associated with positive and negative psychedelic experiences, suggesting that individuals open to new experiences and willing to surrender may benefit from the therapy. Researchers propose using lower doses as a starting point for hesitant patients, building up to higher doses later.

SourceOhio State University·JournalACS Pharmacology & Translational Science·DateMar 22, 2021

UBCO researcher recommends systematic approach to forest and water supply management

A UBCO researcher suggests a systematic approach to forest-water research to better understand the impact of human activities on natural filtration systems. The study highlights the need to consider multiple variables and their interactions when assessing the effects of deforestation, urbanization, and other disturbances on forest-wate...

New evidence in search for the mysterious Denisovans

Researchers found no evidence of interbreeding between modern humans and Denisovans in Island Southeast Asia, but confirmed high levels of Denisovan ancestry in the region. The study suggests that significant genetic exchange occurred between Denisovans and modern humans who arrived in Asia 50,000-60,000 years ago.

SourceUniversity of Adelaide·JournalNature Ecology & Evolution·DateMar 22, 2021

Women missing out on workplace mentoring post #MeToo

A recent study by RMIT University found that female employees are less likely to receive one-on-one mentoring from male managers, with only 38% of young females reporting a change in their interactions with males since the #MeToo movement. Despite this, many senior male co-workers are willing to mentor younger women.

SourceRMIT University·JournalApplied Economics·DateMar 22, 2021

Study could help develop biosensors for non-invasive diagnosis of diseases

A study from Brazil's University of São Paulo used self-assembled molecular monolayers to create biosensors for detecting the gene PCA3, which is specific to prostate cancer cells. The technique can also be used to diagnose infectious diseases like COVID-19, offering a non-invasive alternative to current methods.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalThe Journal of Physical Chemistry C·DateMar 22, 2021

A strong coffee half an hour before exercising increases fat-burning

A new study published in Journal of the International Society of Sports Nutrition found that consuming caffeine before aerobic exercise significantly increases fat-burning. The study's results suggest that combining acute caffeine intake with exercise performed at moderate intensity in the afternoon is the optimal scenario for increasi...

SourceUniversity of Granada·JournalJournal of the International Society of Sports Nutrition·DateMar 22, 2021

BU researchers explore forensic anthropology's current knowledge with transgendender bodies

A new study reveals nearly 30% of forensic anthropologists have worked on cases involving transgender individuals, but most are unfamiliar with gender-affirming surgeries. The research highlights the need for a bio-cultural and queer theoretical perspective in forensic sex estimation to recognize signs of gender-affirming procedures.

SourceBoston University School of Medicine·JournalForensic Anthropology·DateMar 22, 2021

Ultra-processed foods are breaking your heart

A study found that higher consumption of ultra-processed foods is associated with an increased risk of cardiovascular disease incidence and mortality. Researchers analyzed data from the Framingham Offspring Study and classified food items into five categories, including ultra-processed foods, which were linked to a 7% increase in hard ...

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateMar 22, 2021

Worth one's salt

Researchers at LSU discovered a vast network of ancient Maya salt kitchen buildings, indicating the salt was produced on a large scale. Salt cakes were standardized units, potentially used as currency, and played a crucial role in the economy.

SourceLouisiana State University·JournalJournal of Anthropological Archaeology·DateMar 22, 2021

Yale researchers create map of undiscovered life

Researchers at Yale have created a global map of undiscovered species, revealing that Brazil, Indonesia, Madagascar, and Colombia hold the greatest opportunities for new discoveries. The study also highlights the importance of taxonomists in finding undiscovered species, and emphasizes the need for more funding to close knowledge gaps.

SourceYale University·JournalNature Ecology & Evolution·DateMar 22, 2021

Explosive origins of 'secondary' ice--and snow

A new study provides definitive evidence that shattering drizzle droplets drive explosive 'ice multiplication' events in Arctic clouds. The findings have significant implications for weather forecasts, climate modeling, water supplies, energy, and transportation infrastructure. The research used six years of data from a millimeter-wave...

SourceDOE/Brookhaven National Laboratory·JournalProceedings of the National Academy of Sciences·DateMar 22, 2021

Study outlines testing strategies for safer air travel during the pandemic

A computer simulation found that rapid SARS-CoV-2 tests detected almost 90% of infectious travelers at the airport, while a five-day quarantine was effective in preventing importation of infections. The study suggests standardized testing and quarantine policy could minimize the risk of COVID-19 transmission during air travel.

SourceUniversity of California - San Francisco·JournalThe Lancet Infectious Diseases·DateMar 22, 2021

Houston refines hunt for COVID in wastewater

A study led by Rice University's Lauren Stadler and the City of Houston Health Department compared five processes used to concentrate samples and find COVID-19 in wastewater from six Houston plants. The process called 'electronegative filtration with bead beating' proved most sensitive and cost-effective.

SourceRice University·JournalWater Research·DateMar 22, 2021

BU researchers identify two drugs that delay bone marrow cancer development

Researchers at Boston University School of Medicine have found that PXS-LOX_1 and PXS-LOX_2 can slow primary myelofibrosis's disease progression in experimental models by inhibiting lysyl oxidase. These findings represent a possible novel avenue for treatment, potentially slowing cancer progression and easing symptoms.

SourceBoston University School of Medicine·JournalArchives of Stem Cell and Therapy·DateMar 22, 2021

Total knee replacement cost effective for patients with osteoarthritis and extreme obesity

A cost-effectiveness analysis found that total knee replacement surgery is a viable option for patients with extreme obesity and end-stage osteoarthritis, offering significant improvements in quality-adjusted life expectancy. The study concluded that TKR leads to substantial benefits in these patients, outweighing potential complications.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateMar 22, 2021

Tunable smart materials

Researchers at Osaka University developed tunable microparticles that self-assemble into structures with adjustable properties. The study's findings may lead to the development of smart sensors and self-healing materials. By controlling the proportion of particle types, scientists can modify the shape of the resulting clusters.

SourceOsaka University·JournalScientific Reports·DateMar 22, 2021

Expressing some doubts about android faces

A team of researchers from Osaka University used motion capture technology to compare the facial expressions of five android faces with those of humans. They found that mechanical facial movements of robots lacked the complexity of real human reactions, particularly in the upper regions. The study suggests redesigning android faces to ...

SourceOsaka University·JournalFrontiers in Robotics and AI·DateMar 22, 2021

Energizing India

Researchers from UC Santa Barbara recommend India increase its target to 600 GW of renewable capacity by 2030. Meeting high renewable targets would not avert the need to build fossil fuel power plants due to specific weather patterns and peak electricity demand requirements.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateMar 22, 2021

Pandemic lockdowns boost, democratize online education

The COVID-19 pandemic led to a 38% increase in new users and a 6% increase in engagement among existing users of DataCamp's platform. This shift in behavior was observed across all demographic groups, suggesting that online learning can provide an accessible environment for learning new skills.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateMar 22, 2021

Electrode interphase formation

The solid electrolyte interphase (SEI) plays a critical role in ideal battery function, and researchers have studied its nucleation and growth in atomic detail. Anions and solvents must be well-balanced to form a homogeneous inorganic, crystalline SEI.

SourceWiley·JournalAngewandte Chemie International Edition·DateMar 22, 2021

Transcutaneous stimulation improves hand function in people with complete tetraplegia

Researchers at Kessler Foundation confirmed that spinal cord transcutaneous stimulation results in immediate and long-lasting gains in strength, sensibility, and voluntary motor function. The study showed significant improvements in upper extremity and hand function, including a 283.4% increase in bilateral handgrip force.

SourceKessler Foundation·JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering·DateMar 22, 2021