Bluesky Facebook Reddit Email

Science News Archive March 2015


Page 24 of 38

NIH researchers develop database on healthy immune system

Researchers from NIH and King's College London create a reference resource for scientists studying autoimmune disorders, identifying 19 immune traits regulated by more than 240 genetic changes. This database may help design future studies and develop new treatments.

The origin of the lymphatic vasculature uncovered

Researchers at Uppsala University have discovered a novel origin of the lymphatic system, challenging the long-held dogma that it forms via sprouting from veins. The new findings may lead to innovative treatments for conditions such as lymphedema and tissue trauma.

Immune system-in-a-dish offers hope for 'bubble boy' disease

Researchers at Salk Institute have developed a new method to convert cells from x-linked SCID patients into stem cell-like state, fix the genetic mutation and prompt corrected cells to successfully generate NK cells in the laboratory. This technique could lead to a more effective and less invasive treatment for this devastating disease.

Apple iPhone 17 Pro

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

New work schedule could cure your 'social jetlag'

Researchers report that aligning work schedules with employees' biological clocks can improve sleep duration and quality, as well as social jetlag and general wellbeing. The study found that flexible work schedules reduced stress and improved satisfaction with leisure time.

NNI publishes report on carbon nanotube (CNT) commercialization

The National Nanotechnology Initiative has published a report on the commercialization of carbon nanotubes, outlining common themes and potential future research priorities. The report identifies the need for increased efforts in manufacturing, quality control, and scale-up to produce CNT-based bulk materials with improved properties.

Regeneration in a hostile environment

Researchers found that cancer drug epothilone reduces scar tissue and stimulates growth in damaged nerve cells, promoting neuronal regeneration. The study suggests a potential new treatment for spinal cord injuries.

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.

Intestinal gas could be used to diagnose diseases

Researchers propose two novel gas-sensing systems to measure intestinal gases, which may contribute to gastrointestinal diseases. These non-invasive methods could provide medical devices that reduce medical costs and improve healthcare system efficiency.

Sweet nanoparticles target stroke

Scientists have discovered a combination of fullerene derivatives and glucosamine that reduces cell damage and inflammation after a stroke. This breakthrough could lead to the development of new treatments for cerebrovascular accidents.

Molecule-making machine simplifies complex chemistry

Researchers have developed a molecule-making machine that can assemble complex small molecules at the click of a mouse, automating a process previously done by highly trained chemists. This breakthrough has the potential to greatly speed up and enable new drug development and other technologies.

Inflammation in the mouth and joints in rheumatoid arthritis

Researchers found increased pocket depth and clinical attachment loss in patients with rheumatoid arthritis, highlighting the link between gum disease and joint inflammation. The study also identified Porphyromonas gingivalis antibodies as biomarkers for identifying patients who may benefit from periodontal treatment.

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.

Study examines association of inappropriate prostate, breast cancer imaging

A study published in JAMA Oncology found high rates of inappropriate imaging for both prostate cancer and breast cancer, suggesting that regional culture and infrastructure play a role in health care utilization patterns. The researchers estimated that 30% of healthcare resources in the US do not improve patient health.

You are when you eat

A new study by researchers at San Diego State University found that limiting fruit flies' eating hours can prevent aging- and diet-related heart problems. Flies on a time-restricted feeding schedule slept better, didn't gain as much weight and had healthier hearts than those that ate anytime.

A 'warhead' molecule to hunt down deadly bacteria

Researchers develop novel approach to target bacterial lipids, labeling and sparing healthy cells. The new strategy exploits covalent chemistry of lipids, enabling selective recognition and labeling of bacterial cells.

Gene leads to malformation of the urinary tract

A study published in PLOS Genetics has identified a gene, ISL1, associated with classic bladder exstrophy, a rare congenital anomaly of the urinary tract. The discovery is significant for understanding the disease's development and may lead to preventive measures during pregnancy.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Flight and nuclear safety boosted by sound research

A new system using sound waves helps detect structural defects in pipes, engines, and nuclear power plants. Researchers have developed a non-destructive testing method that could also be applied to medical imaging and seismology.

Magnetic brain stimulation

Researchers at MIT have developed a method to stimulate brain tissue using external magnetic fields and injected magnetic nanoparticles. The approach can provide an implant-free means of providing brain stimulation and mapping, potentially treating neurological diseases such as Parkinson's disease.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Low breast density in mammography worsens breast cancer prognosis

Women with very low breast tissue density experience shorter disease-free survival and overall life expectancies compared to those with high-density breasts. A six-year follow-up study of 270 breast cancer patients found that lower breast tissue density is an independent poor prognostic factor for breast cancer.

Social status has impact on overall health of mammals

High-ranking spotted hyenas have longer telomeres and better overall health compared to subordinates, according to a new study. The research suggests that social rank plays a significant role in aging and stress in wild mammals.

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.

Large gains with new chip design for medical devices

The Desyre architecture has been shown to reduce hospital costs and replacement rates of medical devices by using 28% less energy and 48% less chip area. This is achieved while offering a nine times lower hardware failure rate, making it an extremely reliable design for critical applications.

Measles cases predicted to almost double in Ebola epidemic countries

A study predicts a rise in measles cases by 100,000 across West Africa due to Ebola-related health system disruptions, resulting in an additional 5,000 measles deaths. The research highlights the need for aggressive regional vaccination programs to counteract the steep downturn in immunization rates.

Some genes 'foreign' in origin and not from our ancestors

Research published in Genome Biology found that humans and other animals have acquired 'foreign' genes from microorganisms, suggesting ongoing gene transfer. The study identified 17 previously-reported genes and 128 additional foreign genes in the human genome, related to metabolism, immune responses, and more.

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.

Increased susceptibility to measles a side effect of Ebola epidemic

Researchers estimate that a large measles outbreak in West Africa could infect nearly twice as many people and kill thousands more due to significant decreases in vaccinations for childhood diseases. The Ebola crisis has led to a 45% increase in unvaccinated children, posing a substantial risk to public health.

NIH awards UC biologist $1.9 million for genetic research

Researchers will study genetic aspects of craniofacial asymmetries in cavefish to better understand human conditions like non-syndromic cleft palate. The project aims to identify specific genes and mutations causing facial asymmetry, with potential implications for understanding pigmentation changes in humans.

Boosting a natural protection against Alzheimer's disease

Researchers at UC San Diego have identified a gene variant in the SORL1 gene that may be used to predict people most likely to respond to an investigational therapy for Alzheimer's disease. The study found that variants of the gene confer some protection from AD and are associated with reduced beta amyloid peptide production in neurons.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Optogenetics without the genetics

Scientists at the University of Chicago and the University of Illinois have developed a new technique using gold nanoparticles to stimulate normal, non-genetically modified neurons with light. The technique shows great promise for potential therapeutic use in diseases such as macular degeneration.

Geography matters: Imaging overuse seen in certain US regions

A new study from NYU Langone Medical Center found that over 40% of low-risk prostate and breast cancer patients in certain US regions received inappropriate tests. The research suggests that regional culture and infrastructure play a significant role in the use of imaging tests, with some areas exhibiting more appropriate use than others.

Inflammatory factor IL-3 may play essential role in development of sepsis

A study by Massachusetts General Hospital researchers reveals that Interleukin-3 (IL-3) promotes the production of inflammatory monocytes and neutrophils, which contribute to the 'cytokine storm' that underlies sepsis. Higher IL-3 levels in human patients with sepsis are associated with a greater risk of death.

Prescription for living longer: Spend less time alone

A new study from Brigham Young University finds that loneliness and social isolation are major risk factors for mortality across all ages and income levels. The research analyzed data from over 3 million participants and found that the lack of social connections presents an added risk, while the existence of relationships provides a po...

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Could yoga lessen prenatal depression?

Researchers found that prenatal yoga classes reduced depressive symptoms in pregnant women with mild to moderately depressed women. The study's results suggest that a larger randomized controlled trial is needed to confirm the findings.

Exercise may help keep seniors moving longer despite old age brain decline

A new study published in Neurology found that physically active seniors with small areas of brain damage did not experience a drop-off in movement abilities. In fact, those who were most active showed no decline despite high levels of brain damage, suggesting physical activity creates a 'reserve' to protect motor abilities.

Study shows even injured kidneys can be used for transplants

A Yale-led study found that donated kidneys with acute injury are associated with delayed graft function but not poor long-term transplant outcomes. The research suggests that injured kidneys could be used for transplants, potentially increasing the number of available organs and improving survival rates for patients on dialysis.

Dark neural patches

Scientists at OIST Graduate University found that cell groups in the neostriatum do not communicate with each other and are less interconnected. The discovery has implications for studying diseases like Parkinson's, which affects motor control.

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.

Researchers develop tool to understand how the gut microbiome works

A new method called TFUMseq enables researchers to study the functions of hard-to-grow bacteria that contribute to the gut microbiome. The tool allows for the identification of genes that enhance microbial fitness and provides insights into how bacteria colonize living organisms.

When should blood transfusions be given after cardiac surgery?

Researchers found that patients who received blood transfusions at a higher haemoglobin level had fewer serious complications and deaths after cardiac surgery. The study challenges current guidelines and health policy, suggesting that a more liberal approach to transfusion may be safer and more cost-effective

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.

It's sound -- Bristol Pound encourages community unity

Research on the Bristol Pound found it fosters social bonds by shaping interactions and feelings of trust among users, promoting local business support and community cohesion. The study's findings have implications for designing future payment systems that prioritize social connectivity.

Researchers develop 'visual Turing test'

A new system designed by researchers from Brown and Johns Hopkins universities aims to assess computer vision systems' ability to understand the context of an image. The 'visual Turing test' evaluates how well computers can recognize subtle details, such as people walking together and having a conversation.

Babies' body mass index may predict childhood obesity

Researchers from The Children's Hospital of Philadelphia found that infant BMI-childhood obesity relationship is strong in African-American children. A better understanding of infancy growth patterns can lead to more effective early efforts at obesity prevention.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Neandertals modified white-tailed eagle claws 130,000 years ago

The discovery of modified white-tailed eagle talons at the Krapina Neandertal site reveals evidence of jewelry-making skills among human predecessors. The findings indicate that Neandertals acquired eagle talons for symbolic purposes around 130,000 years ago.

The physics of clouds

Researchers use a cylindrical rotating system to study turbulent convection, disproving the idea that transitions from one state of turbulence to another are smooth. Their findings suggest that symmetry changes must be sharp, contradicting Lev Landau's theory.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Study reveals sexual appeal of war heroes

A study published in Evolution and Human Behaviour found that women are more attracted to war heroes than regular soldiers or men who display heroic traits in other fields. The researchers also discovered that heroism in combat increases women's levels of sexual attraction towards male soldiers, but not in disaster zones.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.