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Science News Archive April 2018 - Page 41


Page 41 of 42

Hubble uses cosmic lens to discover most distant star ever observed

Astronomers have discovered the most distant star ever observed, existing only 4.4 billion years after the Big Bang, using gravitational lensing with the Hubble Space Telescope. The light from the star was magnified 2000 times, allowing for its detection.

SourceESA/Hubble Information Centre·JournalNature Astronomy·DateApr 2, 2018

Farthest star ever seen in the universe detected

Researchers have discovered the farthest individual star ever seen, Icarus, 9 billion light years away, by magnifying its brightness with the gravity of a larger object. This breakthrough study uses gravitational lensing to exclude the possibility that dark matter is made up mostly of large black holes.

SourceKavli Institute for the Physics and Mathematics of the Universe·JournalNature Astronomy·DateApr 2, 2018
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.

Unraveling the immunopathogenesis of Johne's disease

A study by Hokkaido University researchers has identified prostaglandin E2 (PGE2) as a key player in impairing the immune response of cattle affected by Johne's disease. The discovery offers hope for developing a method to control this chronic enteritis caused by Mycobacterium avium subsp. paratuberculosis.

SourceHokkaido University·JournalInfection and Immunity·DateApr 2, 2018

Links between eating red meat and distal colon cancer in women

A new study suggests that a diet free from red meat significantly reduces the risk of distal colon cancer in women living in the UK. The study analyzed data from over 32,000 women and found that those regularly eating red meat had higher rates of distal colon cancer compared to a red meat-free diet.

SourceUniversity of Leeds·JournalInternational Journal of Cancer·DateApr 2, 2018

Proper data analysis might be among Hurricane Maria's casualties

A Penn State demographer warns that Hurricane Maria's destruction may have crippled Puerto Rico's ability to gather and analyze accurate data, hindering the island's recovery and response to future emergencies. The lack of proper data collection services and analysis may lead to inadequate allocation of resources, including money and aid.

SourcePenn State·JournalHealth Affairs·DateApr 2, 2018

Eating more protein may not benefit older men

A randomized clinical trial found that higher protein intake did not increase lean body mass, muscle performance, or physical function in older men. The results suggest that the recommended daily allowance for protein may be sufficient for promoting muscle growth and well-being in this population.

SourceBrigham and Women's Hospital·JournalJAMA Internal Medicine·DateApr 2, 2018

New study uncovers major differences in billing complexity among US health insurers

A recent study analyzing 44 million claims from 68,000 physicians found that Medicaid billing complexity is surprisingly similar to private insurance, contradicting conventional wisdom. The research suggests that Medicaid managed care programs have slightly lower billing complexity than state-run fee-for-service Medicaid.

SourceUniversity of British Columbia·JournalHealth Affairs·DateApr 2, 2018
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.

Does metal use slow when a country's wealth grows? Maybe not

A Yale-led study found that GDP remains linked to metal use even as affluence grows, with a 1% rise in GDP increasing the nation's metal footprint by 1.9%. This challenges the long-held theory that metal use plateaus when GDP reaches $15,000 per person.

SourceYale School of the Environment·JournalNature Geoscience·DateApr 2, 2018

Flood risk denial in US coastal communities

A study by David Casagrande explores the attitudes and perception of flood risk in US coastal communities. Residents employ rationalizations such as scapegoating and social comparison to avoid making difficult decisions, rather than taking steps to mitigate damage. This research highlights the importance of addressing individual belief...

SourceLehigh University·DateApr 2, 2018

Biological ballet: Imaging technique reveals complex protein movements in cell membrane

Researchers have developed an imaging method for live cells that suppresses photobleaching, allowing observation of individual molecules for up to 400 seconds. This enables study of protein movements and interactions in the cell membrane, shedding light on cellular behavior and potential targets for cancer treatment.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalNature Chemical Biology·DateApr 2, 2018
Apple iPhone 17 Pro

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

Aquaplaning in the geological underground

A study by GFZ scientists found that water pressure at the plate interface zone can lead to 'aquaplaning', initiating earthquakes. The researchers suggest that fluid pressure becomes close to lithostatic at deeper interfaces and lower at shallower ones, triggering catastrophic events.

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalNature Geoscience·DateApr 2, 2018

Infant death study reveals dangerous sleep practices among babysitters, relatives, others

A study of over 10,000 infant deaths found that many were caused by unsafe sleep positions or environments. Licensed childcare providers were more likely to follow safe sleep guidelines than babysitters, relatives, and friends. The researchers urge parents to educate anyone caring for their children on safe sleep practices.

SourceUniversity of Virginia Health System·JournalThe Journal of Pediatrics·DateApr 2, 2018

Payment reform fix?

Two studies found no reductions in hospital use or spending linked to the global budget program, despite expected improvements in care. The program may still have saved money due to changes in hospital prices.

SourceHarvard Medical School·JournalHealth Affairs·DateApr 2, 2018
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.

Reorganization of brain outputs in deaf cats

Cats deaf from an early age exhibit increased connections between auditory cortex and superior colliculus, a midbrain region responsible for directing the animal's environment. This reorganization may support enhanced information processing.

SourceSociety for Neuroscience·DateApr 2, 2018

In mice, long-lasting brain proteins offer clues to how memories last a lifetime

Researchers at Johns Hopkins Medicine have identified 164 long-lasting brain proteins in mice that outlast neighboring proteins by weeks and months. These stable proteins may play a crucial role in governing long-term memory and learning, as well as loss of memory, in all mammals, including humans.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018
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.

Self-rating mental health as 'good' predicts positive future mental health

Researchers found that individuals who rate their mental health as 'positive' despite symptoms are less likely to develop depression or psychological distress in the future. This suggests good mental health encompasses coping and adapting to life, not just symptom absence.

SourceLehigh University·JournalJournal of Health and Social Behavior·DateApr 2, 2018

Elevated blood pressure before pregnancy may increase chance of pregnancy loss

Researchers found that women with high diastolic blood pressure before conception were at an 18% higher risk of pregnancy loss. Lifestyle changes to control blood pressure may improve pregnancy outcomes, according to a new study published in Hypertension.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalHYPERTENSION·DateApr 2, 2018

Pediatric cancer research gets a boost from St. Baldrick's Foundation

The St. Baldrick's Foundation has awarded grants to support pediatric cancer research and novel immunotherapies for childhood cancers such as medulloblastoma and osteosarcoma. The funding will enable researchers to study the immune system's response to these tumors and develop targeted immunotherapy techniques.

SourceCase Western Reserve University·DateApr 2, 2018
Celestron NexStar 8SE Computerized Telescope

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

Breakthrough in determining ages of different microbial groups

Scientists have developed a new method to investigate the timing and co-evolution of microbial groups by analyzing horizontal gene transfer among ancient microbes. This breakthrough provides relative age constraints for several microbial groups without reliable fossil evidence, including the Archaea.

SourceUniversity of Bristol·JournalNature Ecology & Evolution·DateApr 2, 2018

Two-pronged approach could curb many cases of lung cancer

Researchers successfully treat KRAS-driven lung cancer by targeting insulin and IGF-1 signaling, identifying metabolic vulnerabilities. The study shows that completely blocking the pathway can slow tumor growth, but a second step is needed to fully suppress it.

SourceBoston Children's Hospital·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018
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.

Coral reefs protect coasts from severe storms

Researchers found that fringing coral reefs can effectively protect shorelines from extensive erosion caused by tropical cyclones. The study used Ningaloo Reef as a case study and showed that the reef's shape and structure can dissipate large waves, reducing coastal damage.

SourceARC Centre of Excellence for Coral Reef Studies·JournalLimnology and Oceanography·DateApr 2, 2018

Agricultural fires can double Delhi pollution during peak burning season

Research from Harvard University shows that agricultural fires in Punjab, India can increase air pollution in Delhi by 20 times the safe limit. The study used satellite data and modeling to track the impact of smoke particles on urban areas.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalEnvironmental Research Letters·DateApr 2, 2018

Computational analysis of putative hominin burial practices

A machine learning approach analyzed fossil remains in Spain and South Africa, finding that carnivore disturbance likely contributed to the disarray. The findings do not rule out potential hominin burials but instead highlight the role of nonhuman agents.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

International competition for nonfuel minerals

The study reveals that China and the US are heavily reliant on imports for certain nonfuel minerals, with each country importing more than half of their consumption for 11 minerals. This raises concerns about potential international competition for existing supplies, as these minerals are crucial for emerging technologies.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

Combination immunotherapy improves survival in mouse models of mesothelioma

Researchers at Massachusetts General Hospital report promising preclinical results against uniformly fatal tumor, finding that combining two cancer immunotherapy drugs significantly prolongs survival time. The treatment changes a population of immunosuppressive T cells into a type that could enhance an antitumor immune response.

SourceMassachusetts General Hospital·JournalCancer Immunology Research·DateApr 2, 2018
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Do men outnumber women in academic neurology programs?

A recent study found that men outnumber women in top-ranked academic neurology programs, consistent with previous research on neurology and other specialties. The study analyzed data from 1,712 academic neurologists across 29 programs, highlighting the underrepresentation of women in academic careers.

SourceJAMA Network·JournalJAMA Neurology·DateApr 2, 2018

Learned immunosuppression and drug efficacy

Researchers found that pairing immunosuppressive drugs with a stimulus significantly reduced T cell proliferation in renal transplant patients. This 'learned' behavior may enhance immunopharmacological treatment strategies.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

People use emotion to persuade, even when it could backfire

A study published in Psychological Science found that people tend to use more emotional language when trying to persuade an audience, even if it may not be effective. The researchers used a quantitative linguistic analysis tool to analyze reviews and found that participants used more emotional descriptors when trying to persuade readers.

SourceAssociation for Psychological Science·JournalPsychological Science·DateApr 2, 2018

We'll pay more for unhealthy foods we crave, neuroscience research finds

A new study by NYU researchers found that craving can overshadow healthy choices and make people willing to pay more for unhealthy food items. The study revealed that craving boosts the economic value of tempting, high-calorie foods relative to healthier options.

SourceNew York University·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018
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.

New insight about how viruses use host proteins to their advantage

Scientists at Uppsala University have discovered that multiple viruses, including adenovirus, influenza virus, HIV, and herpes simplex virus, rely on the host protein ZC3H11A for efficient growth. The protein is involved in a previously unknown mechanism for handling stress in cells.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

Hubble uncovers the farthest star ever seen

Astronomers using the Hubble Space Telescope have discovered a blue supergiant star called Icarus, which is the farthest individual star observed. The team used gravitational lensing to magnify the star's light, revealing its true nature and providing insights into dark matter theory.

SourceNASA/Goddard Space Flight Center·JournalNature Astronomy·DateApr 2, 2018
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

New study shows vegetation controls the future of the water cycle

A recent study published in the Proceedings of the National Academy of Sciences shows that vegetation plays a dominant role in Earth's water cycle, regulating future dryness and water resources. Plants' physiological responses to increasing CO2 levels have a major impact on evapotranspiration, long-term runoff, and soil moisture.

SourceColumbia University School of Engineering and Applied Science·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

Human inner ear morphology and dispersal from Africa

Researchers analyzed 221 skeletal specimens to examine the correlation between inner ear morphology and genetic markers reflecting human dispersal from Africa. The study found that labyrinth morphology corresponds with dispersal patterns, offering a new avenue for individual-based genotype and phenotype comparisons.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

Antarctica retreating across the sea floor

Researchers from the University of Leeds have created the first complete map of how Antarctica's grounding line is shifting. The study found that eight of the ice sheet's largest glaciers are retreating at an extreme rate, with some losing over 25 meters per year.

SourceUniversity of Leeds·JournalNature Geoscience·DateApr 2, 2018

Researchers develop injectable bandage

A team of researchers from Texas A&M University has developed an injectable bandage using a gelling agent commonly used in pastries, which can stop bleeding and promote wound healing. The injectable hydrogels are made with kappa-carrageenan and nanosilicates to form a controlled release of therapeutics.

SourceTexas A&M University·JournalActa Biomaterialia·DateApr 2, 2018
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Biomimetic chemistry: DNA mimic outwits viral enzyme

Researchers at LMU München have developed a synthetic DNA sequence that can inhibit the activities of several DNA-processing enzymes, including HIV integrase. The artificial DNA mimic successfully competes with its natural counterpart, demonstrating potential for new treatments of retroviral diseases.

SourceLudwig-Maximilians-Universität München·JournalNature Chemistry·DateApr 2, 2018

New compound helps activate cancer-fighting T cells

A new compound, AH10-7, has been identified as a powerful activator of human invariant natural killer T (iNKT) cells, a key player in the immune system's fight against cancer. The compound is highly effective and selective, encouraging iNKT cells to release specific proteins that stimulate anti-tumor immunity.

SourceUniversity of Connecticut·JournalCell Chemical Biology·DateApr 2, 2018

Stanford researchers engineer yeast to manufacture complex medicine

Stanford researchers engineered yeast to produce noscapine, a promising cancer drug with less toxicity than current treatments. The breakthrough involves introducing 25 foreign genes into yeast, achieving an 18,000-fold improvement in noscapine output.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018

Higher blood pressure before pregnancy may increase miscarriage risk

A recent study published in the Hypertension journal found that elevated blood pressure before becoming pregnant and early in pregnancy may increase the risk of pregnancy loss. The study, which examined 1,228 healthy women, found a significant association between preconception and early-pregnancy blood pressure and pregnancy loss.

SourceAmerican Heart Association·DateApr 2, 2018
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.

NASA sees Iris the zombie storm reborn near Queensland

A tropical cyclone weakened to a low pressure area off Queensland's coast but strengthened into a Category 1 storm on April 2. NASA-NOAA's Suomi NPP satellite captured an image of the storm, showing a thick band of thunderstorms surrounding its center.

SourceNASA/Goddard Space Flight Center·DateApr 2, 2018

Novel PET imaging agent could help guide therapy for brain diseases

Researchers have developed a new PET imaging agent that targets NMDA receptors in nerve cells to assess treatments for various neurological diseases. The agent, C-Me-NB1, provides valuable insights into the role of NMDA receptors in brain disorders.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateApr 2, 2018

Spear points prove early inhabitants liked to travel

Researchers at Texas A&M University found that early settlers in interior western Canada used the Pacific coastal route to reach temperate North America, contradicting traditional theories of migration. The fluted spear points provide evidence supporting new genetic models explaining how humans colonized the New World.

SourceTexas A&M University·JournalProceedings of the National Academy of Sciences·DateApr 2, 2018
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.