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Science News Archive December 2019 - Page 5


Page 5 of 36

Obesity embargo alert for January 2020

Researchers link various environmental factors such as food access, recreational opportunities, and natural amenities with engagement in weight management programs. The study also examines the impact of changes in the food, built, and socioeconomic environment on BMI in US counties.

SourceThe Obesity Society·JournalObesity·DateDec 20, 2019

Berlin's bright sky isn't a bat's thing

Researchers tracked common noctule bat trajectories in Berlin to find that they mostly avoid built-up areas with artificial light. Instead, they use dark corridors like forests, parks, and watercourses for commuting and foraging.

SourceForschungsverbund Berlin·JournalLandscape Ecology·DateDec 20, 2019

Discovering a new fundamental underwater force

A team of mathematicians has discovered a new phenomenon that generates a fluidic force capable of moving and binding particles immersed in density-layered fluids. This breakthrough offers an alternative to previously held assumptions about particle accumulation in lakes and oceans.

SourceUniversity of North Carolina at Chapel Hill·JournalNature Communications·DateDec 20, 2019

Finding familiar pathways in kidney cancer

Researchers found that PBRM1 acts as a novel reader of the activated p53 pathway, suppressing renal tumor growth. Tumor-derived mutations in PBRM1 can disrupt this interaction, allowing cancer growth to occur.

SourceThomas Jefferson University·JournalNature Communications·DateDec 20, 2019
Apple iPhone 17 Pro

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

Falcons see prey at speed of Formula 1 car

Peregrine falcons have the fastest vision among birds of prey, registering up to 129 Hz blinks per second for high-light conditions. This exceptional visual acuity allows them to track fast-moving prey like flying birds and small mammals.

SourceLund University·JournalJournal of Experimental Biology·DateDec 20, 2019

Using a material's 'memory' to encode unique physical properties

Researchers discovered a way to encode specific physical properties in materials by utilizing their 'memory' of past stresses. This approach allows for the creation of auxetic materials with enhanced mechanical properties, such as improved energy absorption and fracture resistance.

SourceUniversity of Pennsylvania·JournalScience Advances·DateDec 20, 2019

New security system to revolutionize communications privacy

Researchers have developed an unbreakable security system that achieves 'perfect secrecy', protecting confidential data on public classical communication channels. The new technology uses silicon chips with complex structures to send information in a one-time key, making it impossible for hackers to intercept or recreate.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalNature Communications·DateDec 20, 2019

Telomere research at Marshall published in Nature Communications

Dr. Shakirov and collaborators identified genes NOP2A, RPL5A, and RPL5B as crucial for controlling telomere length in Arabidopsis thaliana, a small flowering plant. This discovery provides new insights into the connection between ribosome biogenesis and telomere length control.

SourceMarshall University Joan C. Edwards School of Medicine·JournalNature Communications·DateDec 20, 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.

AI system for Minecraft: MIPT team wins MineRL international contest

The MIPT team developed a new method for reinforcement learning with demonstrations, enabling rapid solution of hierarchical problems in Minecraft. This approach opens opportunities for applying reinforcement learning to real-world tasks like autonomous vehicle control and manipulator control.

SourceMoscow Institute of Physics and Technology·DateDec 20, 2019

First step taken to find causes of muscle wasting disease

A recent study has gained insight into the mechanisms of sarcopenia, a condition characterized by muscle wasting and strength loss in older adults. Researchers identified changes in muscle cells and molecules that may explain why some people develop sarcopenia while others do not.

SourceUniversity of Southampton·JournalNature Communications·DateDec 20, 2019

Thyroid cancer rates in US

Thyroid cancer rates in the US have stabilized since 2014, with a decline in new cases per 100,000 people from 14.7 to 14.1 between 2009 and 2016. The rise in thyroid cancer was largely due to increased screening and imaging over the past three decades.

SourceJAMA Network·JournalJAMA·DateDec 20, 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.

Sphingotec's biomarker penKid® predicts septic acute kidney injury

The penKid biomarker accurately predicted acute kidney injury (AKI), multiorgan failure, and mortality in unselected sepsis patients at presentation to the emergency department. Increasing penKid levels indicated worsening kidney function, enabling timely treatment decisions that improve outcomes.

Sourcesphingotec GmbH·JournalBMC Emergency Medicine·DateDec 20, 2019

The 'airbag' that protects cells against stress

Researchers at CNIC have identified molecules that act as an 'airbag' protecting cells from mechanical stress. The study shows how these molecules coordinate changes to protect the cell and prevent damage. Altering their activity could lead to new therapies for diseases related to mechanical stress.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalNature Communications·DateDec 20, 2019

Untangling APOE ε 4's association to tau tangles

A new study by McGill University researchers found that APOEε4 carriers have greater levels of tau tangles in memory centers, even after controlling for amyloid plaques. The study provides evidence that the gene's risk of dementia is related to both hallmark pathologies of Alzheimer's disease.

SourceMcGill University·JournalJAMA Neurology·DateDec 20, 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.

IU team identifies potential target for restoring movement after spinal cord injury

A novel therapeutic target for promoting neuroprotection has been identified in the lumbar circuit below a spinal cord injury, suggesting potential hope for restoring motor function. The discovery uses animal models to show that neuromodulation of interrupted lumbar motor circuits with neurotrophic therapy improves locomotor performance.

SourceIndiana University School of Medicine·JournalNature Communications·DateDec 20, 2019

Researchers studying vaginal birth injuries and recovery

A pilot study will examine the utility of quantitative ultrasound methods for assessing vaginal birth-induced pelvic floor injury and recovery in pregnant women. The researchers aim to develop noninvasive diagnostic methods that can predict long-term pelvic floor dysfunction.

SourceGeorge Mason University·DateDec 20, 2019

Researchers produce first laser ultrasound images of humans

MIT engineers develop new laser ultrasound technique that remotely images inside a person, eliminating the need for direct contact. The method uses sound waves generated by a laser to create images comparable to conventional ultrasound, with potential applications in imaging infants, burn victims, and accident survivors.

SourceMassachusetts Institute of Technology·DateDec 20, 2019

Hepatitis C-positive donors a viable option to expand heart donor pool

Patients transplanted with hepatitis C-positive donor hearts had comparable outcomes after one year compared to those receiving hearts from disease-free donors. The study suggests using such hearts can expand the donor pool, reduce wait times and improve patient survival rates.

SourceVanderbilt University Medical Center·JournalJAMA Cardiology·DateDec 20, 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.

Counting photons is now routine enough to need standards

Researchers at NIST have developed methods to measure the efficiency of five single-photon detectors, which are used in various applications such as optical communications and astrophysics. The study provides a tool for verifying future detection standards and aims to improve accuracy and reliability in these devices.

SourceNational Institute of Standards and Technology (NIST)·JournalMetrologia·DateDec 20, 2019

Bern and Fribourg researchers identify neurons responsible for rapid eye movements/REM during sleep

Bern researchers have identified the neurons responsible for rapid eye movements (REM) during sleep, a characteristic of paradoxical sleep with high dream activity. The discovery was made by a team of scientists who found that activation of these neurons causes rapid eye movement and can be used to study the function of this phenomenon.

SourceUniversity of Bern·JournalNature Communications·DateDec 20, 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.

Chronobiology: 'We'll be in later'

A German high school's flexible scheduling system, which allows students to start school later, has been shown to improve their sleep patterns and ability to concentrate. The study found that students who started school later slept more soundly and were better equipped to handle coursework.

SourceLudwig-Maximilians-Universität München·JournalSLEEP·DateDec 20, 2019

Developing drugs that activate defences against tumours

A new project aims to create targeted cancer drugs that use small molecules and immune system activators, potentially treating tumours less aggressively. Researchers from 14 European partners will work together to develop prototypes for future tumour therapies.

SourceBielefeld University·DateDec 20, 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.

IKBFU Scientists study molecular elements effective in countering malaria

Researchers at IKBFU identified spirocycles as a building block of organic molecules with potential for medical chemistry development. These naturally occurring compounds, such as artemisinin, exhibit biocompatibility and have inspired the synthesis of new medicinal compounds.

SourceImmanuel Kant Baltic Federal University·JournalMolecules·DateDec 20, 2019

Overspill of fat shown to cause Type 2 Diabetes

Scientists have observed people developing Type 2 diabetes due to liver fat over-spilling into the pancreas. A study showed that individuals can reverse the condition through diet and weight loss, with nearly nine out of ten participants achieving remission.

SourceNewcastle University·JournalCell Metabolism·DateDec 20, 2019

Men think they're better liars

A study by Dr Brianna Verigin found that nearly half of all lies are told by a small number of prolific liars, who use their charm and words to deceive others. These expert liars prefer face-to-face interactions and often lie to close family members and colleagues.

SourceUniversity of Portsmouth·JournalPLOS ONE·DateDec 20, 2019
Celestron NexStar 8SE Computerized Telescope

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

Space-time metasurface makes light reflect only in one direction

Researchers create a new type of optical metasurface that imposes phase modulation on reflected light, leading to unidirectional light propagation. The metasurface enables nonreciprocal light propagation in free space with unprecedented large temporal modulation frequency.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateDec 20, 2019

Understanding the adolescent brain

Research shows adolescents struggling with mental health issues have distinct neural connections that affect cognitive control and attention. The study provides new insights into the brain development of adolescents with mental health problems, potentially informing diagnosis and treatment.

SourceUniversity of Alberta·JournalBrain Imaging and Behavior·DateDec 20, 2019

A photo taken with a mobile phone to detect frauds in rice labelling

Researchers at Universidad Complutense de Madrid developed an AI-powered algorithm that uses deep learning to detect irregularities in rice labelling. The algorithm achieved precision models between 93 and 99%, showing potential for future applications in the food industry.

SourceUniversidad Complutense de Madrid·JournalFood Control·DateDec 20, 2019
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.

Nightside barrier gently brakes 'bursty' plasma bubbles

Scientists at Rice University have developed new methods to characterize the influence of turbulence on space weather. They discovered that bursty bulk flows cause big ripples in plasma, leading to oscillations called buoyancy waves. These waves play a role in the formation of auroral structures and magnetospheric substorms.

SourceRice University·DateDec 20, 2019

Using a chip to find better cancer fighting drugs

Kyoto University researchers have developed a new 'tumor-on-a-chip' device that can better mimic the environment inside the body. The device allows for the growth of tumor cells and blood vessels in three dimensions, enabling scientists to test potential cancer fighting drugs more effectively.

SourceKyoto University·JournalBiomaterials·DateDec 20, 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.

Hitting HIT: Heparin therapy

Researchers at LMU have discovered that inhibition of a specific enzyme can effectively prevent heparin-induced thrombocytopenia (HIT), a potentially life-threatening condition. The study shows that Btk inhibitors can block platelet activation and prevent the formation of harmful clots, offering a new promising therapeutic option for t...

SourceLudwig-Maximilians-Universität München·JournalBlood Advances·DateDec 20, 2019

Permanent predator-prey oscillations

A team of researchers observed regular oscillations in the populations of rotifers and green algae over a period of one year, corresponding to more than 50 cycles. The oscillations were repeatedly interrupted by short periods without discernible external influences, but always returned to their normal rhythm on their own.

SourceUniversity of Oldenburg·JournalNature·DateDec 20, 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.

How common is diabetes among racial/ethnic groups?

This observational study found that the age-sex-adjusted proportion of US adults with diabetes was 12.1% for non-Hispanic whites, 20.4% for non-Hispanic blacks, 22.1% for Hispanics, and 19.1% for non-Hispanic Asians. Notably, Hispanic and non-Hispanic Asian subpopulations showed significant differences in undiagnosed diabetes rates.

SourceJAMA Network·JournalJAMA·DateDec 20, 2019

One-off genetic score can detect stroke risk from birth

A genetic risk score can identify individuals at a 3-fold increased risk of developing ischaemic stroke, a devastating condition. This scoring system may require more intensive preventive measures than current guidelines recommend.

SourceBaker Heart and Diabetes Institute·JournalNature Communications·DateDec 20, 2019
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.

Strong change of course for muscle research

Researchers have identified a new subtype of satellite cells that can regenerate muscle tissue without the transcription factor PAX7. This discovery could lead to new gene therapies for people with muscular dystrophy, such as Lavin, who has a rare genetic mutation preventing her from producing this protein.

SourceMax Delbrück Center for Molecular Medicine in the Helmholtz Association·JournalNature Communications·DateDec 20, 2019

Targeted screening could prevent one in six prostate cancer deaths

A new study suggests that targeted screening for men at higher genetic risk of prostate cancer could prevent nearly one in six deaths from the disease. The research modeled the harms and benefits of introducing four-yearly PSA screening for all men aged 55 to 69 versus more targeted checks for those at higher risk.

SourceUniversity College London·JournalPLOS Medicine·DateDec 20, 2019

Revealing the structure of axons

French researchers combine optical and electronic microscopy to observe axonal rings at the molecular scale. They discover that these rings are formed by long braided actin filaments, providing new understanding of axonal architecture.

SourceCNRS·JournalNature Communications·DateDec 20, 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.