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Science News Archive 2018


Page 121 of 473

Effects of deep space radiation on intestinal cells

Exposure to energetic heavy ions from deep space radiation impairs intestinal epithelial cell migration and triggers senescent signaling. This effect persists for at least a year after exposure, suggesting potential adverse impacts on astronaut GI function and health.

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.

Democrat/Republican divide is worst it's ever been

A new study by Michigan State University finds that party polarization is at its worst level since the early 1970s. The research analyzed publicly available data on who sponsors bills in Congress and found that politicians co-sponsor legislation only about 200 times, viewing nearly half of their colleagues as opposition.

Insufficient sleep associated with risky behavior in teens

A study found that high school students who slept less than six hours per night were more likely to engage in risk-taking behaviors, such as substance abuse and carrying a weapon. The researchers also found a significant association between sleep duration and suicidal thoughts and attempts.

Disease causing mutation found in French-Canadians

A team of Canadian scientists discovered a French-Canadian founder mutation gene linked to synucleinopathies, a group of neurodegenerative diseases including Parkinson's disease and dementia. The GBA mutation increases the risk of developing these diseases, particularly in people with other mutations.

Apple iPhone 17 Pro

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

TRIPODS+X meets Machine Learning+X

The NSF-funded TRIPODS+X program at Lehigh University brings together top experts to leverage machine learning techniques for various academic pursuits. The workshops focus on areas such as chemistry, robotics, supply chain management, and cognitive neuroscience.

NASA sees Walaka becoming a powerful Hurricane

Hurricane Walaka strengthened into a powerful hurricane with intense convective storms and rainfall rates of up to 6.5 inches per hour. The Global Precipitation Measurement mission's data revealed a well-organized storm with rapid intensification forecasted through Tuesday.

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.

Community satisfaction demands interaction

A University at Buffalo sociologist's new study shows that neighboring interactions can positively affect residents' attitudes and behaviors, even in highly disadvantaged communities. The research reveals that community matters in the 21st century, with consistent interactions snowballing into neighborhood investment.

Songbird data yields new theory for learning sensorimotor skills

A new mathematical model describes the distribution of sensory errors in learning, revealing that animals explore and track a range of possibilities to compensate for variabilities. The study found that birds combine their hypotheses with new information from their ears while singing, surprisingly accurately.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Delayed pregnancy -- heart health risks for moms and sons, study shows

A new study finds that delayed pregnancy may increase cardiovascular disease risk in both women and their children, with boys at higher risk. Researchers also found sex-specific differences in health risks of the offspring, highlighting the importance of assessing cardiovascular health during pregnancy.

Farming practices and climate change

Researchers examined farming practices' impact on European maize yields under climate change and found optimal flowering times could mitigate effects. Optimizing crop cycle durations increased yields by 4-7% in projected 2050 climate conditions.

Gastric bypass and sleeve reduce obese teens' weight better than banding

A multi-center study of adolescents reveals that bariatric surgeries like gastric bypass and sleeve gastrectomy lead to substantial weight loss, while adjustable banding is less effective. The study, which included 544 teens, found comparable weight loss outcomes for gastric bypass and sleeve procedures.

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.

Defects promise quantum communication through standard optical fiber

A team of physicists has identified a way to create quantum bits in silicon carbide crystals, emitting photons at wavelengths near those used in data transmission. This breakthrough enables the potential for quantum communication through standard optical fibers, paving the way for superior computing powers and unbreakable cryptography.

Improving nutritional profile of rice

Researchers have identified a rice strain with improved nutritional profile by thickening its aleurone layer. The mutation of the OsROS1 gene responsible for this change offers a strategy to enhance nutritional value in rice and other cereal crops.

Specific protein identified as regulator of glioblastoma tumor migration

A specific protein called TEAD1 has been identified as a key regulator of tumor migration in glioblastoma, a devastating form of brain cancer. By deactivating this protein, researchers may be able to stop tumor cells from migrating away from the main tumor mass, increasing the success rate and overall survival time for patients.

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.

Red glow helps identify nanoparticles for delivering RNA therapies

A new screening process, called Fast Indication of Nanoparticle Discovery (FIND), allows researchers to identify nanoparticles suitable for delivering therapeutic RNA into living cells. The technique inserts unique DNA snippets and a red-glowing Cre protein to verify nanoparticle entry into specific organs and cells.

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.

Shorter physician encounters associated with antibiotic prescribing

Patients with respiratory tract infections receiving antibiotics had significantly shorter telemedicine encounters than those not receiving antibiotics. Researchers found that antibiotic prescriptions were about 33 seconds shorter, while non-antibiotic prescriptions resulted in longer encounters of approximately 1 minute and 12 seconds...

BU: Stress reduces fertility in women

A new study by Boston University School of Public Health researchers found that higher levels of stress are associated with lower odds of conception for women, but not for men. Women with high perceived stress were 13% less likely to conceive than those with low perceived stress.

Stanford students deploy machine learning to aid environmental monitoring

Researchers deployed machine learning methods to predict facility risk scores and detect potential violations under the Clean Water Act. The approach predicted catching two to seven times as many infractions as current approaches, with limitations including algorithmic bias and strategic behavior by facilities.

Meta Quest 3 512GB

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

Drug cocktail may treat postmenopausal PCOS complications

Researchers found a combination of liraglutide and enalapril effectively addresses all symptoms of postmenopausal polycystic ovary syndrome (PCOS), including metabolic syndrome. The treatment promotes significant weight loss, reduces insulin resistance, and normalizes blood pressure.

Diagnostic advance: gas-sensing capsule set to hit market by 2022

A world-first electronic capsule measures gaseous biomarkers in the gut to diagnose common and debilitating conditions, offering rapid, non-invasive diagnosis. Phase 2 clinical trials will pursue enhanced technology and target related biomarkers for improved treatment and reduced healthcare costs.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Researchers: Redesign dating apps to overcome racial bias

A new paper by Cornell University researchers suggests dating apps should encourage users to filter out race and ethnicity, promoting inclusive community messages and algorithms. Simple design decisions could decrease bias against marginalized groups, the authors argue.

Projected drought losses in China

Climate projections suggest China's drought intensity and area will increase, leading to significant economic losses. Limiting future warming to 1.5°C could save trillions of dollars in drought-related losses

Checked off 'the talk' with your teen? Not so fast: Once isn't enough

A recent study by Brigham Young University's Laura Padilla-Walker found that teenagers who had regular conversations with their parents about sex were more likely to have safe sexual activity at age 21. The study also showed that ongoing communication between parents and teens can improve the parent-child relationship.

How to improve health care in Canada

A recent analysis suggests that improving health care in Canada requires expanding public funding for cost-effective treatments, investing in primary care, and embracing technology. The authors propose engaging patients to determine services and standardizing quality-improvement tools to improve healthcare quality.

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.

Attosecond pulse leads to highest molecular level probe resolution

Researchers have developed a way to convert low-intensity infrared beams into high-intensity X-ray beams, enabling ultra-fast probes for molecular dynamics studies. By enhancing higher-order oscillations in laser sources, they achieved attosecond-level resolution, opening the door to new insights into electron behavior.

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.

Providers often fail to consider ehrlichia when treating tick-borne infections

Researchers at the University of North Carolina Health Care discovered that medical providers in central North Carolina frequently neglect to test for Ehrlichia when treating tick-borne infections. The study found nearly 80% of patients were tested for Rocky Mountain Spotted Fever, but only one-third were tested for Ehrlichia. This dis...

Scientists uncover why you can't decide what to order for lunch

A new Caltech study finds that the brain's anterior cingulate cortex and striatum are involved in decision-making when faced with too many options, leading to a 'choice overload' effect. The ideal number of options is estimated to be between 8 and 15, depending on perceived reward and individual characteristics.

Reversing Smith-Magenis syndrome symptoms

A study published in PNAS has reversed symptoms of Smith-Magenis syndrome in mice by reactivating the RAI1 gene. This breakthrough may lead to new treatments for this neurodevelopmental disorder. Researchers used optogenetic stimulation to restore social interaction deficits, providing hope for improved patient outcomes.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

A universe aglow

Astronomers using MUSE instrument on ESO's VLT detected an unexpected abundance of Lyman-alpha emission in the Hubble Ultra Deep Field region, covering nearly the entire field of view. This discovery suggests that almost all of the sky is invisibly glowing with Lyman-alpha emission from the early Universe.

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 discover highly active organic photocatalyst

Scientists from the University of Liverpool have synthesized a highly active organic photocatalyst that can harness sunlight to produce hydrogen fuel. The discovery was made through a combination of experiment and computation, revealing basic design principles for future catalysts.

Celestron NexStar 8SE Computerized Telescope

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

Eye discovery to pave way for more successful corneal transplants

Researchers at the University of Nottingham have discovered a characteristic of the Descemet membrane that can cause difficulties for surgeons performing corneal transplants. The study found that elastin, an elastic-like fiber, governs the direction of the membrane's roll and may be responsible for its unidirectional behavior.