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Science News Archive 2017 - Page 265


Page 265 of 461

Does the sex of a cell matter in research?

A new guide from Tulane University aims to address inherent sex bias in pre-clinical research on metabolic diseases. The guide emphasizes the need to consider sex differences in biological mechanisms, not just hormones, to accelerate discovery and treatment.

SourceTulane University·JournalCell Metabolism·DateJun 6, 2017

A 12-hour biological clock coordinates essential bodily functions

Researchers discovered autonomous 12-hour clocks that work independently from 24-hour cycles and can be modified by external factors. Altered 12-hour cycles have been associated with human diseases, such as diabetes and metabolic disorders. The study identified over 3,000 genes that follow 12-hour rhythms.

SourceBaylor College of Medicine·JournalCell Metabolism·DateJun 6, 2017
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Food policies could lower US cardiovascular disease rates

A new study suggests that implementing targeted food policies, such as subsidies for fruit and vegetables and taxes on sugar sweetened drinks, could avert hundreds of thousands of deaths from cardiovascular disease in the US. These economic incentives have been successful in improving dietary choices in the past.

SourceUniversity of Liverpool·JournalPLOS Medicine·DateJun 6, 2017

How neurons use crowdsourcing to make decisions

Researchers found that neurons initially rely on many neurons for good prediction of a macaque monkey's decision, but eventually each neuron is maximally predictive as the decision point approaches.

SourceSanta Fe Institute·JournalFrontiers in Neuroscience·DateJun 6, 2017

Officers on afternoon shift report being more fatigued

A University at Buffalo-led study found that police officers working the afternoon shift are more fatigued, with a two-fold higher prevalence among male officers compared to day shift workers. Women officers appeared to use more effective coping mechanisms to manage shift work-related stress and fatigue.

SourceUniversity at Buffalo·DateJun 6, 2017

What the hair of a fly tells us about cancer

Scientists at the University of Geneva found that a protein called Sara plays a crucial role in guiding endosomes to differentiate between cells, a process essential for fly hair development. Mutant flies without Sara have naked backs, highlighting the significance of this mechanism in cancer tumour formation.

SourceUniversité de Genève·JournalNature Communications·DateJun 6, 2017
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Standard dosage for one lung cancer treatment may be too high

A new study suggests that the standard dosage for pembrolizumab may be unnecessarily high, with personalized dosing resulting in significant cost savings. The study found that using a weight-based dose of 2 mg/kg instead of the fixed dose of 200 mg could lead to annual savings of $825 million.

SourceOxford University Press USA·JournalJNCI Journal of the National Cancer Institute·DateJun 6, 2017

Alectinib potential new standard of care for ALK-positive non-small lung cancer

The ALEX trial demonstrates alectinib's superiority over crizotinib as first-line therapy for ALK-positive non-small cell lung cancer, with improved progression-free survival and brain metastasis outcomes. Alectinib achieved a 53% reduction in progression risk and 68.4% one-year progression-free rate compared to crizotinib.

SourceUniversity of Colorado Anschutz Medical Campus·JournalNew England Journal of Medicine·DateJun 6, 2017

Neurodegenerative disease mechanism and potential drug identified

New studies offer hope for developing a biomarker for research and diagnostics, and a drug for treating progressive neurodegenerative diseases linked to mitochondrial defects. The findings suggest that dimethyl fumarate may increase mitochondria production and lessen the symptoms of muscle diseases caused by mitochondrial abnormalities.

SourceUniversity of California - Davis·JournalHuman Molecular Genetics·DateJun 6, 2017

What makes a reach movement effortful?

A study by Morel et al. found that physical effort in movements is not solely determined by force resistance but also by the duration of the movement. Additionally, the researchers identified common optimization principles in decision-making and motor control, suggesting a shared mechanism for both.

SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalPLOS Biology·DateJun 6, 2017

Researchers identify a key controller of biological machinery in cell's 'antenna'

Researchers have identified an enzyme called Phospholipase A2 that triggers the movement of Smoothened into primary cilia, amplifying signaling activity. This discovery opens new avenues for developing drugs to treat developmental disorders and cancers associated with Sonic Hedgehog pathway hyperactivation.

SourceSt. Jude Children's Research Hospital·JournalCell Reports·DateJun 6, 2017
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Sequential options prompt future thinking, boost patience

Researchers found that framing choices as a sequence of events increases imagination and its role in decision-making, leading to increased patience. This approach may be particularly useful when circumstances are less than ideal, such as when multitasking or stressed.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJun 6, 2017

Are friends better for us than family?

A new study by Michigan State University scholar William Chopik found that friendships become increasingly important to one's happiness and health across the lifespan. In older adults, friendships are actually a stronger predictor of health and happiness than relationships with family members.

SourceMichigan State University·JournalPersonal Relationships·DateJun 6, 2017

Cancer cells send signals boosting survival and drug resistance in other cancer cells

Researchers at University of California San Diego School of Medicine found that cancer cells exploit the unfolded protein response (UPR) to activate Wnt signaling, promoting tumor survival and drug resistance. This mechanism enables cancer cells to cope with nutrient deprivation and therapies, contributing to intra-tumor heterogeneity.

SourceUniversity of California - San Diego·JournalScience Signaling·DateJun 6, 2017

Study identifies an enzyme inhibitor to treat Gulf War illness symptoms

Researchers at Drexel University have identified an enzyme inhibitor that could treat some of the neurological effects of Gulf War Illness, a disease linked to organophosphate nerve agents. The study found that correcting microtubule function may alleviate symptoms such as insomnia and cognitive problems.

SourceDrexel University·JournalTraffic·DateJun 6, 2017

How killer cells take out tumors

F8-TNF stimulates killer cells to target sarcomas by identifying them through dormant viral proteins, offering a new avenue for cancer immunotherapy. The treatment has been shown to completely cure mice of sarcoma and grant immune protection against tumor recurrence.

SourceETH Zurich·JournalCancer Research·DateJun 6, 2017
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Study examines caregiving by family members, other unpaid individuals

The study found that adult children are the largest group of caregivers, with many limiting social activities due to caregiving responsibilities. Few caregivers used respite care or support groups, but those caring for people with dementia and disability were more likely to use these services.

SourceAmerican Geriatrics Society·JournalJournal of the American Geriatrics Society·DateJun 6, 2017

Culture affects how people deceive others say researchers

A study found that people from different cultural backgrounds change their language when lying, with Black African and South Asian participants using more first-person pronouns to distance themselves from the lie. The results challenge Western stereotypes on linguistic cues to deception.

SourceLancaster University·JournalRoyal Society Open Science·DateJun 6, 2017

Difficulties diagnosing delirium in older adults after surgery

A recent study found that a significant number of older adults with delirium were not diagnosed by healthcare professionals. The researchers concluded that developing more objective screening tools could improve diagnosis accuracy. Understanding delirium is crucial to recognize and address the condition in older adults and caregivers.

SourceAmerican Geriatrics Society·JournalJournal of the American Geriatrics Society·DateJun 6, 2017
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

How the Arctic Ocean became saline

Researchers from AWI demonstrated how the Arctic Ocean transformed into a saline body after the land bridge between Greenland and Scotland submerged, enabling Atlantic circulation. The study found that changes occurred when the ocean passage reached a depth of over 50 meters below the surface mixed layer.

SourceAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research·JournalNature Communications·DateJun 6, 2017

New pediatric protocol reduces missed sepsis diagnoses by 76 percent

A new electronic sepsis alert protocol has been implemented in pediatric emergency departments, reducing missed diagnoses of severe sepsis by 76 percent. The protocol uses a combination of vital signs, risk factors, and physician judgment to identify children at high risk of developing sepsis.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateJun 6, 2017

Keeping the hydrogen coming

Researchers at KAUST developed a novel catalyst to split water efficiently in acidic conditions, paving the way for greener power sources. The molybdenum coating improves stability and prevents oxygen recombination, enabling longer-term hydrogen production.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalAngewandte Chemie International Edition·DateJun 6, 2017
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Celestial boondocks: Study supports the idea we live in a void

A new study by UW-Madison undergraduate Ben Hoscheit confirms the idea that our galaxy lives in an enormous void, seven times larger than average. The findings help ease tension between different measurements of the Hubble Constant, resolving a long-standing discrepancy among cosmologists.

SourceUniversity of Wisconsin-Madison·DateJun 6, 2017

Insomnia associated with increased risk of suicidality

Researchers found that insomnia is three times more likely to report thoughts of suicide and death among U.S. Army servicemembers compared to those without the condition. Insomnia was a significant predictor for suicidality, with wakefulness at night associated with increased suicidal ideation.

SourceUniversity of Pennsylvania School of Medicine·DateJun 6, 2017

Stem cells may be the key to staying strong in old age

A study published in eLife discovered that loss of muscle stem cells is the main driving force behind muscle decline in old age in mice. By depleting muscle stem cells, researchers found that muscle decline accelerated, while mice with preserved stem cells maintained healthier muscles at older ages.

SourceUniversity of Rochester Medical Center·DateJun 6, 2017

Looking to the future of organs-on-chip

Advances in lab-on-a-chip technology allow for more accurate analysis and translation of research to the clinic. Organ-on-a-chip (OOAC) technology has great potential in helping screen drugs in a more cost-effective manner, reducing failures and costs.

SourceFuture Science Group·JournalFuture Science OA·DateJun 6, 2017
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

A novel approach to seeing dengue infection in the body

Researchers have developed a novel approach to detecting dengue infection using PET-FDG imaging, which tracks glucose uptake and predicts disease progression. This non-invasive method has the potential to transform the assessment of new treatments in clinical trials.

SourceDuke-NUS Medical School·DateJun 6, 2017

Guts to glory?

Researchers have discovered a new complex of enzymes in herbivore gut fungi that can break down plant biomass into sugars, offering potential for sustainable fuels and chemicals. The unique structure of these enzymes, called cellulosomes, has the potential to be engineered for industrial use, reducing the need for current enzyme mixtures.

SourceUniversity of California - Santa Barbara·JournalNature Microbiology·DateJun 6, 2017

Take a coffee or tea break to protect your liver

A new study found that frequent coffee consumption was significantly associated with lower odds of high liver stiffness values, independent of lifestyle traits. Herbal tea consumption also showed a significant association with lower liver stiffness values, even in small amounts.

SourceElsevier·JournalJournal of Hepatology·DateJun 6, 2017
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Similar lipids cluster in soybean cell membrane model

A computational model of the soybean plasma membrane reveals that similar lipids cluster together due to van der Waals interactions. The research has applications for studying membrane proteins and understanding plant responses to stressful conditions.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateJun 6, 2017

Copaiba: Silver bullet or snake oil?

Researchers from Florida Atlantic University caution that copaiba's potential benefits for treating inflammatory arthritis are unproven due to limited evidence. Despite this, sales of the essential oil continue to increase, presenting clinical challenges.

SourceFlorida Atlantic University·JournalJournal of Integrative Medicine·DateJun 6, 2017

Trauma centers with American College of Surgeons verification have fewer complications

A study published in the Journal of the American College of Surgeons found that trauma centers verified by the American College of Surgeons Committee on Trauma have lower complication rates for pediatric and elderly patients. The study analyzed data from the National Trauma Data Bank and found that patients treated at non-verified trau...

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateJun 6, 2017

New research provides practical cooking tips for your red wine sauce

Researchers at the University of Copenhagen have developed a model to control alcohol content in liquid dishes, including red wine sauces. By adjusting cooking time and technique, cooks can reduce alcohol levels, making it safer for pregnant individuals or those tracking calories.

SourceUniversity of Copenhagen - Faculty of Science·JournalFood Chemistry·DateJun 6, 2017

Dogs help in breast carcinoma research

A University of Zurich study analyzed archived tissues from dog mammary tumors to understand breast carcinoma in both species. The researchers found that tumor cells reprogram healthy cells, promoting tumor growth, a mechanism also observed in human breast carcinoma.

SourceUniversity of Zurich·JournalInternational Journal of Molecular Sciences·DateJun 6, 2017
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Starving prostate cancer with what you eat for dinner

Researchers at the University of Texas at Austin identified several plant-based compounds that can prevent or slow down prostate cancer growth. The study found that combining these compounds, such as ursolic acid and curcumin, with glutamine can block the nutrient uptake needed by prostate cancer cells.

SourceUniversity of Texas at Austin·DateJun 6, 2017

New way to detect Palmer amaranth in contaminated seedlots

A new assay developed by University of Illinois researchers can identify Palmer amaranth DNA in mixed seed samples, overcoming slow and unreliable testing methods. The low-cost technique uses quantitative PCR to detect genetic variations unique to Palmer, enabling farmers to certify their product as Palmer-free.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalPest Management Science·DateJun 6, 2017

QUT Vice-Chancellor Professor Peter Coaldrake named a Queensland Great

Professor Coaldrake was recognised for his role in helping turn Brisbane into an international creative hub for education, innovation and knowledge. He has overseen the development of QUT's Learning Potential Fund, which provides scholarships and bursaries for students from low SES backgrounds.

SourceQueensland University of Technology·DateJun 6, 2017
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

New planet found to be hotter than most stars

KELT-9b, a Jupiter-like gas giant, has a 'year' of only 1.5 days and orbits an extremely hot star that radiates more ultraviolet radiation than our sun. The planet's atmosphere is constantly blasted with high levels of radiation, making it inhospitable to life.

SourcePenn State·JournalNature·DateJun 6, 2017

Building a better blood-brain barrier model

Researchers at Brigham and Women's Hospital have developed a new model to mimic the blood-brain barrier, using miniature spheroids that replicate key properties and functions. This innovative approach may advance neuroscience research and expedite the discovery of brain-penetrant drugs for treating diseases.

SourceBrigham and Women's Hospital·JournalNature Communications·DateJun 6, 2017

Promising new treatment option for chronic plaque psoriasis

A study of over 1,800 patients found that tildrakizumab significantly improved skin conditions in those with moderate-to-severe psoriasis. The treatment demonstrated a 75% improvement in PASI scores at 12 weeks, with fewer than 10% of placebo recipients showing similar results.

SourceBeth Israel Deaconess Medical Center·JournalThe Lancet·DateJun 6, 2017
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

A method to improve in vitro tests

Researchers at EPFL developed a dynamic test method that replicates blood and lymphatic systems, allowing for more accurate nanoparticle testing. This method reduces discrepancies between in vitro and in vivo tests, providing valuable insights into nanoparticle behavior.

SourceEcole Polytechnique Fédérale de Lausanne·JournalSmall·DateJun 6, 2017

Even moderate drinking linked to a decline in brain health, finds study

A recent study found that even moderate drinking is associated with an increased risk of adverse brain outcomes and steeper decline in cognitive skills. Higher alcohol consumption over 30 years was linked to hippocampal atrophy, poorer white matter integrity, and faster decline in language fluency.

SourceBMJ Group·JournalThe BMJ·DateJun 6, 2017
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

New sound diffuser is 10 times thinner than existing designs

Researchers from NC State University developed an ultra-thin sound diffuser that is 10 times thinner than existing designs, reducing echoes and improving sound quality. The new design uses less material and takes up less space, making it lighter and less expensive.

SourceNorth Carolina State University·JournalPhysical Review X·DateJun 6, 2017

Researchers land $3 million to build cyberattack defenses

A nationwide team of security experts, led by Clemson University's Hongxin Hu, is developing a new operating system to fundamentally change how large computer and network systems are built, making data more secure. The S2OS system could be transformative for cloud computing, protecting users' data from cyber threats.

SourceClemson University·DateJun 6, 2017