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Science News for January 3, 2019


Apple iPhone 17 Pro

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

Cancer cells steer a jagged path

Researchers at Rice University and the Duke University School of Medicine have identified JAG1 as a key player in tumor mechanics. The study shows how cancer stem cells differentiate within tumors and spread through the interaction of JAG1 with a signaling pathway, enabling metastasis.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 3, 2019

Egg metabolites in blood related to lower risk of type 2 diabetes

A new study found that eating one egg per day is associated with a blood metabolite profile linked to a lower risk of type 2 diabetes. Researchers identified several biochemical compounds in blood that predicted a higher risk of developing the disease, including tyrosine.

SourceUniversity of Eastern Finland·JournalMolecular Nutrition & Food Research·DateJan 3, 2019

Persistent hot flashes may lead to increased risk of breast cancer

A new study of over 25,000 women from the Women's Health Initiative trials found that those experiencing persistent vasomotor symptoms are more likely to be diagnosed with breast cancer. The study also identified other risk factors, including high body mass index and current alcohol use.

SourceThe Menopause Society·JournalMenopause·DateJan 3, 2019

UTA researcher working to improve response to gas-emission incidents

Kathleen Smits' research aims to improve response to gas-emission incidents by predicting methane migration conditions and providing data-based guidelines for industry first responders. Her team's modeling has found that gas concentrations in the atmosphere are often small compared to the size of the leak, making detection methods flawed.

SourceUniversity of Texas at Arlington·DateJan 3, 2019
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.

The transgenic key to more productive crops

A new study engineered transgenic tobacco plants with synthetic metabolic pathways to bypass photorespiration, increasing dry weight biomass by large margins. The approach has potential implications for improving crop yields globally, especially for crops like rice and wheat.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateJan 3, 2019

Does mountaintop removal also remove rattlesnakes?

A study found that mountaintop removal mining disproportionately alters the habitat of timber rattlesnakes, a docile reptile species. The mining operations destroy ridgelines and habitats, cutting into biodiversity.

SourceEcological Society of America·JournalFrontiers in Ecology and the Environment·DateJan 3, 2019
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.

Days following thyroid surgery are highest for risk of readmission

A new retrospective study shows that thyroid surgery readmissions are highest within a week of the procedure, with patients experiencing severe symptoms such as tremors and muscle spasms being most at risk. The study identifies risk factors that can be addressed to prevent these readmissions, including timely follow-up using telehealth.

SourceThomas Jefferson University·JournalSurgery·DateJan 3, 2019

Disrupted networks link overlapping cognitive deficits in psychiatric disorders

A meta-analysis of 242 studies reveals common neurocognitive network alterations across psychiatric disorders, including reduced gray matter and disrupted functional connectivity. These findings suggest that neuroimaging may be providing a measure of symptom-related pathology, rather than directly related to the disease process.

SourceElsevier·JournalBiological Psychiatry·DateJan 3, 2019

DNA on auto-pilot

New research allows for fully automated design of DNA staple sequences, enabling the creation of complex nanostructures with ease. This breakthrough advances the field of DNA origami, opening up new possibilities for applications in material science and medicine.

SourceArizona State University·JournalScience Advances·DateJan 3, 2019

Sustainable choices on palm oil must be easier for consumers, says new study

A new study from the University of Cambridge found that while British consumers are aware of the environmental impacts of palm oil, they are largely unaware of certified sustainable options. The researchers suggest that governments and companies can promote sustainable palm oil consumption by requiring transparent supply chains and pub...

SourceIOP Publishing·JournalEnvironmental Research Letters·DateJan 3, 2019
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.

The most important hair on your head is on the inside

Researchers at the Norwegian University of Science and Technology have found that cilia are essential for normal brain development and functioning. In zebrafish larvae, groups of cells with cilia create a stable directional flow of cerebrospinal fluid within individual ventricles.

SourceNorwegian University of Science and Technology·JournalCurrent Biology·DateJan 3, 2019

Gut immune cells cut inflammation in multiple sclerosis

Gut immune cells, specifically plasma cells producing Immunoglobulin A antibodies, migrate to the central nervous system and produce an anti-inflammatory effect during MS flare-ups. Increasing these cells blocks inflammation entirely in a preclinical model of the disease.

SourceUniversity of Toronto·JournalCell·DateJan 3, 2019

Slime proves valuable in developing method for counting salmon in Alaska

Researchers at Oregon State University have developed a novel method for counting Pacific salmon by analyzing DNA from the slime left behind in their spawning streams. This new approach, funded by The National Geographic Society, uses environmental DNA (eDNA) to accurately count fish in many more streams than currently monitored.

SourceOregon State University·JournalMolecular Ecology Resources·DateJan 3, 2019

Surprise discovery reveals second visual system in mouse cerebral cortex

Researchers at UC San Francisco discovered a second visual system in the mouse cerebral cortex, challenging 75-year-old dogma of mammalian vision. The post-rhinal cortex (POR) obtains visual data directly from the superior colliculus, an evolutionarily ancient sensory processing center.

SourceUniversity of California - San Francisco·JournalScience·DateJan 3, 2019
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.

Forest soundscapes monitor conservation efforts inexpensively, effectively

Recordings of tropical forest sounds unlock secrets about biodiversity and aid conservation efforts around the world. Bioacoustics is a relatively inexpensive method that produces powerful conservation insights, enabling the evaluation of conservation interventions and monitoring compliance with forest protection commitments.

SourcePrinceton School of Public and International Affairs·JournalScience·DateJan 3, 2019

Research reveals overweight dogs may live shorter lives

A recent study from the University of Liverpool found that overweight dogs have a significantly shorter lifespan compared to those at ideal body weights. The study examined over 50,000 dogs across 12 breeds and revealed that being overweight can lead to poorer quality of life, joint disease, breathing issues, and certain types of cancer.

SourceUniversity of Liverpool·JournalJournal of Veterinary Internal Medicine·DateJan 3, 2019
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.

New measure of equality reveals a fuller picture of male well-being

A new measurement tool, BIGI, provides a simplified but more accurate picture of gender inequality, focusing on educational opportunities, healthy life expectancy, and overall life satisfaction. Men are on average more disadvantaged than women in 91 countries, while women have a relative disadvantage in 43 countries.

SourceUniversity of Missouri-Columbia·JournalPLOS ONE·DateJan 3, 2019

Computers can be a real pain in the neck

Researchers at San Francisco State University found that poor head and neck alignment while working on computers can cause fatigue, headaches, and neck pain. By adopting good posture, such as keeping the head aligned with the neck, individuals can reduce muscle tension and alleviate these symptoms.

SourceSan Francisco State University·JournalBiofeedback·DateJan 3, 2019

Extraordinary treefrog discovered in the Andes of Ecuador

Scientists have discovered a new treefrog species in Ecuador's Andes, characterized by an extraordinary enlarged claw-like structure. The species, Hyloscirtus hillisi, is already at risk of extinction due to its small distribution range near a large-scale mining operation and habitat destruction.

SourcePensoft Publishers·JournalZooKeys·DateJan 3, 2019

Who's tougher? Baby sharks or daddy sharks?

A recent study by Florida Atlantic University reveals that younger sharks have stiffer and tougher cartilage skeletons, contrary to the assumption that adults would be stronger. The research found that cartilage from younger sharks has fewer interruptions in its mineral matrix, allowing it to absorb more energy and resist compression.

SourceFlorida Atlantic University·JournalJournal of Experimental Biology·DateJan 3, 2019

DNA design that anyone can do

Researchers developed a computer program that translates free-form drawings into DNA structures, enabling users to create complex nanostructures for various applications. The 'PERDIX' program uses a mathematical approach to automate the design process, making it accessible to anyone with basic drawing skills.

SourceMassachusetts Institute of Technology·JournalScience Advances·DateJan 3, 2019
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.

The opioid crisis: What we should learn from the AIDS epidemic

Researchers argue that the opioid crisis requires a comprehensive approach, building on lessons from the AIDS epidemic. A five-point action plan is proposed to address cultural, social, economic, and structural barriers to care.

SourceColumbia University's Mailman School of Public Health·JournalNew England Journal of Medicine·DateJan 3, 2019

Improved treatment for alcohol use disorders, chronic pain, mood disorders

Researchers at Purdue University have discovered two peptides that selectively activate beneficial cellular pathways without causing unwanted side effects. These peptides are being investigated in preclinical studies for their ability to regulate dietary intake and have shown promising results.

SourcePurdue University·JournalEuropean Neuropsychopharmacology·DateJan 3, 2019

Viral genome sequencing in the heart of a Lassa outbreak

Researchers used metagenomic nanopore sequencing to analyze 120 Lassa virus samples, implicating rodent contamination as the main driver of the outbreak. The technology provided rapid, real-time characterization of the pathogen, allowing for prompt public health responses and alleviating concerns about novel strains.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateJan 3, 2019

Do large human crowds exhibit a collective behavior?

Large human crowds behave like fluid-like systems, where movement can be mathematically predicted using hydrodynamic theory. The study's findings suggest this approach could provide quantitative guidance in crowd management and lay the foundation for an empirically grounded theory of group behavior.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateJan 3, 2019
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.

New insight into the process of generation of new neurons in the adult brain

Researchers discovered a novel function of nestin in regulating neurogenesis through Notch signaling from astrocytes to neural stem cells. Adult mice deficient in nestin show increased newly born neurons and impaired long-term memory, highlighting the complex role of astrocytes in brain plasticity.

SourceUniversity of Gothenburg·JournalCerebral Cortex·DateJan 3, 2019

Study looking to prevent type 1 diabetes follows children into adolescence

The TEDDY study, following nearly 9,000 children over five years, aims to identify high-risk genes and environmental factors that contribute to type 1 diabetes. Early screening and intervention may be possible through analyzing autoantibodies in newborns and tracking changes in risk factors as children age.

SourceMedical College of Georgia at Augusta University·DateJan 3, 2019

In fimo, we trust: Finally a name for the experimental examination of poop

Researchers at UNC School of Medicine and Notre Dame University have coined a new term 'in fimo' for the experimental examination of excrement, derived from the Latin root laetus meaning fertile or happy. The study aims to improve scientific accuracy in discussing gut bacteria and their role in human health.

SourceUniversity of North Carolina Health Care·JournalGASTROENTEROLOGY·DateJan 3, 2019
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.

Cold reminders of Earth's last great cold snap revealed in the deep Pacific

A new study has found evidence of a centuries-long cold snap in the deep Pacific, with ongoing cooling indicating the ocean is still adjusting to surface cooling during the Little Ice Age. The research suggests that the heat loss in the deep Pacific since 1750 offsets nearly a quarter of global heat gain in the upper ocean.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateJan 3, 2019

Dark matter on the move

Scientists have discovered that dark matter can be heated up and pushed outwards due to star formation in galaxies. This phenomenon, known as 'dark matter heating', has been observed in 16 dwarf galaxies with varying star formation histories.

SourceUniversity of Surrey·JournalMonthly Notices of the Royal Astronomical Society·DateJan 3, 2019

Could this widely used food additive cause celiac disease?

A new review in Frontiers in Pediatrics suggests that microbial transglutaminase, a common food additive, could be both the cause and trigger of autoimmune attacks leading to celiac disease. The enzyme modifies gluten fragments, which are then recognized by the immune system as foreign, triggering an immune response.

SourceFrontiers·JournalFrontiers in Pediatrics·DateJan 3, 2019

Next up: Ultracold simulators of super-dense stars

Physicists at Rice University have successfully cooled a neutral plasma using lasers, a technique that could lead to new insights into exotic states of matter and potentially even breakthroughs in quantum computing. The achievement sets the stage for simulators of super-dense stars like Jupiter and white dwarf stars.

SourceRice University·JournalScience·DateJan 3, 2019
Fluke 87V Industrial Digital Multimeter

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

Carrying and releasing nanoscale cargo with 'nanowrappers'

Scientists at Brookhaven National Laboratory engineered hollow metallic nanoscale boxes, or 'nanowrappers,' to carry and release DNA-coated nanoparticles in a controlled way. The researchers demonstrated the ability to load and unload materials using these nanostructures for various applications.

SourceDOE/Brookhaven National Laboratory·JournalACS Central Science·DateJan 3, 2019

BabySeq project explores impacts of genetic disease testing in newborns

A new study by the BabySeq project explores the effects of genetic testing on newborns, revealing unexpected risks for childhood diseases. The research also found potential links to adult-onset cancers, highlighting the importance of long-term follow-up to assess the test's efficacy.

SourceCell Press·JournalAmerican Journal of Human Genetics·DateJan 3, 2019

Artificial intelligence advances threaten privacy of health data

A recent study by UC Berkeley reveals that current AI-powered tracking methods can identify individuals using their daily step data, posing significant threats to health data privacy. The research suggests that existing laws and regulations, such as HIPAA, are inadequate to protect individuals' confidential health information.

SourceUniversity of California - Berkeley·JournalJAMA Network Open·DateJan 3, 2019
Meta Quest 3 512GB

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

Newborn genomic sequencing detects unanticipated disease risk factors

A study by the BabySeq Project found that genomic sequencing can identify risk for childhood-onset disorders, including highly actionable conditions, in a significant percentage of newborns. The research team reported finding genetic variants associated with several heart conditions and biotinidase deficiency in infants.

SourceBrigham and Women's Hospital·JournalAmerican Journal of Human Genetics·DateJan 3, 2019

A cause of possible genetic problems in mitochondria is revealed

A study reveals Degradasome's crucial function in eliminating defective RNA from mitochondria, preventing mitochondrial DNA loss and cell death. The findings offer new insights into the molecular basis of mitochondrial diseases and potential therapies for related human disorders.

SourceUniversity of Seville·JournalProceedings of the National Academy of Sciences·DateJan 3, 2019

Could gulls' wings inspire smarter airplane design?

Researchers at University of British Columbia discovered that gulls can adapt their wing shape to gusty conditions by flexing a single elbow joint, which could inspire improved aircraft design. This novel mechanism enables gulls to sacrifice stability for maneuverability.

SourceUniversity of British Columbia·JournalJournal of The Royal Society Interface·DateJan 3, 2019
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.

Bulldogs' screw tails linked to human genetic disease

Scientists have identified a common genetic mutation in bulldogs and French bulldogs that causes their characteristic screw tail and is linked to the rare human disease Robinow syndrome. The discovery sheds light on the molecular mechanisms underlying this inherited disorder, which affects only a few hundred people worldwide.

SourceUniversity of California - Davis·JournalPLOS Genetics·DateJan 3, 2019

Experimental treatment shows promise against triple-negative breast cancer

A study published in Cancer Cell found that Tinagl1, a protein-based therapy, reduced the spread of triple-negative breast cancer in mice by blocking two main pathways. The treatment is based on a naturally occurring protein and has been shown to be effective even after tumors have begun to metastasize.

SourcePrinceton University·JournalCancer Cell·DateJan 3, 2019

'Christmas berry' plant compound could fight uveal melanoma

Researchers at Thomas Jefferson University discovered a compound from Christmas berry primrose plants can inhibit uveal melanoma growth, offering potential new treatments for patients. The compound, FR900359, works by blocking mutated G proteins that promote cancer growth.

SourceThomas Jefferson University·JournalMolecular Cancer Research·DateJan 3, 2019
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.

Archeological discovery yields clues to how our ancestors may have adapted to their environment

Researchers discovered bone and tooth specimens of wild camels, elephants, horses, and antelopes at Azraq Basin site, providing insights into ancestral human adaptation to changing environments. The team found evidence of butchery and suggests that humans may have faced challenges from predatory competitors like lions and hyenas.

SourceBoston University School of Medicine·JournalQuaternary Research·DateJan 3, 2019

A model for describing the hydrodynamics of crowds

Researchers developed a physical model describing crowd movement and behavior, predicting speed information spreads through the group like waves. The generic description can accurately predict crowd flows in various settings, with little variation between groups.

SourceCNRS·JournalScience·DateJan 3, 2019
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.

What predicts teen partner rape?

Social scientists from Michigan State University identified consistent risk factors for partner rape among young women in their first relationships. Lower socioeconomic status, being of a younger age, and higher levels of physical abuse and coercive control predicted sexual violence. The researchers found that experiences with partner ...

SourceMichigan State University·JournalJournal of Interpersonal Violence·DateJan 3, 2019

Misperceptions about vaping common among UK smokers

A study by King's College London found that UK smokers and ex-smokers have common misperceptions about the harm from vaping. Only 57.3% correctly stated that vaping is less harmful than smoking, while 63.4% said nicotine replacement therapy (NRT) is less harmful.

SourceKing's College London·JournalAddiction·DateJan 3, 2019
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.

Researchers locate the body's largest cell receptor

A team of scientists has located the body's largest cell receptor, a mysterious structure that plays a crucial role in vitamin B12 absorption. The discovery, published in Nature Communications, sheds light on why people with specific genetic changes struggle to absorb the essential nutrient.

SourceAarhus University·JournalNature Communications·DateJan 3, 2019

A 'bran' new way to preserve healthy food with natural ingredients

Researchers at Penn State developed a technique to extract and purify alkylresorcinols (ARs) from rye bran, which can act as antioxidants in emulsions. The study found that ARs were not as effective as synthetic or natural antioxidants but showed promise for future development.

SourcePenn State·JournalFood Chemistry·DateJan 3, 2019
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.