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Science News Archive July 2019 - Page 9


Page 9 of 41

World's smallest fossil monkey found in Amazon jungle

A team of scientists has discovered the world's smallest fossil monkey, weighing less than half a pound and measuring just double the size of a pin. The 18-million-year-old Parvimico materdei helps fill a gap in the record of monkey evolution.

SourceDuke University·JournalJournal of Human Evolution·DateJul 25, 2019

Antibiotics can inhibit skin lymphoma

Researchers found that antibiotics can reduce the number of cancer cells and diminish cancer in patients with CTCL, a rare type of lymphoma. The study suggests that aggressive antibiotic treatment may inhibit not only the bacteria but also the cancer cells.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalBlood·DateJul 25, 2019
Apple iPhone 17 Pro

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

Biologists and mathematicians team up to explore tissue folding

Researchers found a redundant network of proteins connecting embryonic cells, enabling tissues to fold into correct shapes even when individual cells are damaged. This discovery sheds light on the robustness of embryonic development and may help understand birth defects like spina bifida.

SourceMassachusetts Institute of Technology·JournalDevelopmental Cell·DateJul 25, 2019

More can be done to prevent children from having in-flight medical emergencies

A new study published in Annals of Emergency Medicine found that 15.5% of in-flight medical emergencies involve children, with one in six cases requiring additional care. Parents can take steps to avoid emergencies by carrying their child's medicine on the plane and being mindful of potential health issues.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateJul 25, 2019

Molecular biophysics -- the ABC of ribosome recycling

A biophysical study reveals that enzyme ABCE1 adopts multiple structural conformations during ribosome recycling, enabling it to dissociate ribosomal subunits. This process is crucial for the recycling of ribosomes after each round of translation.

SourceLudwig-Maximilians-Universität München·JournalCell Reports·DateJul 25, 2019
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.

Underwater glacial melting occurring much faster than predicted

Researchers at Rutgers University and the University of Oregon develop a new approach to measure submarine melt, revealing tidewater glaciers are retreating faster than expected. This finding could significantly enhance forecasting of climate-driven sea level changes.

SourceRutgers University·JournalScience·DateJul 25, 2019

Shape shifting protocells hint at the mechanics of early life

A team of researchers at the University of Bristol has demonstrated a new approach to building communities of cell-like entities (protocells) using chemical gradients. The study reveals that waves of differentiation can travel across a population, leading to the emergence of complex and ordered protocell communities.

SourceUniversity of Bristol·JournalNature Communications·DateJul 25, 2019

Human artificial chromosomes bypass centromere roadblocks

New human artificial chromosomes (HACs) have been developed to overcome the limitations of previous versions by removing repetitive elements and utilizing epigenetic markers. These advancements enable more thorough studies of chromosome function and open doors to complex synthetic biological systems.

SourceCell Press·JournalCell·DateJul 25, 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.

Paris Agreement hampered by inconsistent pledges, new research finds

A new study found that some countries' Paris Climate Agreement pledges may not be as ambitious as they appear due to inconsistencies in transparency. The researchers analyzed pledges by categorizing them into four categories: absolute emission reduction targets, business-as-usual reductions, emission intensity reductions, and pledges w...

SourceIOP Publishing·JournalEnvironmental Research Letters·DateJul 25, 2019

How and why resistance training is imperative for older adults

A new position statement suggests resistance training is crucial for improving the health and longevity of older adults. It provides evidence-based recommendations for successful resistance training programs, highlighting practical applications and functional benefits.

SourceMichigan Medicine - University of Michigan·JournalThe Journal of Strength and Conditioning Research·DateJul 25, 2019

Bacteria-killing gel heals itself while healing you

Researchers at McMaster University developed a novel antibacterial gel made entirely from bacteria-killing viruses, which can be targeted to attack specific forms of bacteria. The gel holds promise for numerous beneficial applications in medicine and environmental protection.

SourceMcMaster University·JournalChemistry of Materials·DateJul 25, 2019

Paleontology -- new light on cichlid evolution in Africa

Researchers have discovered a new fossil cichlid species, Oreochromimos, from Central Kenya dating back 12.5 million years, providing insights into the evolutionary history of East African Cichlids and their radiation in the Great Lakes region.

SourceLudwig-Maximilians-Universität München·JournalScientific Reports·DateJul 25, 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.

Airborne particles can send our detox systems into overdrive

A team of international scientists uncovered a previously unclear inflammatory mechanism caused by airborne particles that worsen asthma symptoms. Diesel fumes activate AhR receptors in immune cells, leading to increased production of inflammatory molecules.

SourceHiroshima University·JournalToxicological Sciences·DateJul 25, 2019

Five or more hours of smartphone usage per day may increase obesity

A recent study found that university students who used their smartphones for five or more hours a day had a 43% increased risk of obesity. This prolonged cell phone use was associated with decreased physical activity and unhealthy lifestyle habits, including consuming sugary drinks and fast food.

SourceAmerican College of Cardiology·DateJul 25, 2019

Genetic screen identifies genes that protect cells from Zika virus

Researchers at Tel Aviv University have identified genes that safeguard against Zika viral infection and resuscitate infected cells. The study found that the IFI6 gene provides high levels of protection against the virus, potentially leading to the development of a novel antiviral therapy.

SourceAmerican Friends of Tel Aviv University·JournalJournal of Virology·DateJul 25, 2019

Attitudes toward race, immigration underscored vote switching in 2016 election

A new study from UC Riverside suggests that concerns about race and immigration were the primary determinants of vote switching in the 2016 presidential election. The researchers found that both working-class and non-working-class whites who held punitive immigration or racially conservative views were more likely to switch to Donald T...

SourceUniversity of California - Riverside·JournalPublic Opinion Quarterly·DateJul 25, 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.

HIV spreads through direct cell-to-cell contact

A new study reveals that HIV transmission occurs mainly through direct cell-to-cell contact in 3D cell cultures, contradicting the traditional assumption of viral particle diffusion. This breakthrough could lead to new therapeutic approaches for HIV treatment.

SourceHeidelberg University·JournalNature Communications·DateJul 25, 2019

New space discovery sheds light on how planets form

Researchers have discovered a young exoplanet orbiting one of the brightest young stars known, providing valuable information on planetary body formation. The exoplanet, DS Tuc Ab, is about six times the size of Earth and orbits its main star in just eight days.

SourceDartmouth College·JournalThe Astrophysical Journal Letters·DateJul 25, 2019

Electricity-driven undersea reactions may have been important for the emergence of life

Researchers at Tokyo Institute of Technology have found that electricity-driven reactions in deep-sea hydrothermal environments can reduce metal sulfides to native metals, promoting the reduction of organic compounds and potentially facilitating prebiotic chemistry. This discovery has implications for understanding the universality and...

SourceTokyo Institute of Technology·JournalScience Advances·DateJul 25, 2019

Bacteria enhance coral resilience to climate change effects

Coral reefs face extinction due to climate change, but research shows bacteria play a crucial role in their resilience. Studies reveal that some corals adapt by associating with different bacteria, while others maintain consistent relationships.

SourceUniversity of Konstanz·JournalNature Communications·DateJul 25, 2019

Science snapshots: Chromosomes, crystals, and drones

Researchers from Berkeley Lab and universities explored human evolution by studying chromosome regions. They discovered massive genetic material in centromere-proximal regions, including unique variation in genes that shape our sense of smell. Meanwhile, scientists created new spiraling crystals made of stacked layers of germanium sulf...

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature·DateJul 25, 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.

Inherited BRCA2 mutations linked to increased risk of childhood lymphoma

Research from St. Jude Children's Research Hospital found a link between inherited BRCA2 mutations and an increased risk of childhood non-Hodgkin lymphoma. The study analyzed data from 1,380 lymphoma survivors and found that members with BRCA2 mutations were more likely to develop the disease.

SourceSt. Jude Children's Research Hospital·JournalJAMA Oncology·DateJul 25, 2019

How to trick electrons to see the hidden face of crystals

Scientists at the University of Vienna developed two solutions to overcome limitations in analyzing small crystals with electron radiation. By disturbing the carrier material or covering it with nylon fibers, researchers can achieve a complete 3D view of the crystals, enabling more accurate structure analysis.

SourceUniversity of Vienna·JournalNature Communications·DateJul 25, 2019

Physics of life: Motor proteins and membrane dynamics

Researchers at LMU Munich discovered that myosin VI directly engages with the plasma membrane, dynamically altering its shape. This interaction enables important cellular processes such as endocytosis and membrane protrusions.

SourceLudwig-Maximilians-Universität München·JournalNature Communications·DateJul 25, 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.

The origin and future of spam and other online intrusions

A new paper by Emilio Ferrara explores the complex history of digital spam, from its origins in confidence tricks to sophisticated AI-powered manipulations. With social media bots and deepfakes posing significant threats, experts warn of an escalating 'arms race' against spammers.

SourceUniversity of Southern California·DateJul 25, 2019

New model identifies most efficient logistics for military operations

Researchers developed a Military Logistics Network Planning System to help military leaders better account for logistical risk and uncertainty. The system forecasts logistical outcomes based on available data, accounts for risk, and provides decision-making aid.

SourceU.S. Army Research Laboratory·JournalThe Journal of Defense Modeling and Simulation Applications Methodology Technology·DateJul 25, 2019
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.

The positive and negative role of LRH-1 during inflammation

The LRH-1 protein plays a key role in controlling the immune system, and its inhibition may be used to treat inflammatory diseases. Without LRH-1, the body cannot trigger an immune response, leading to increased damage from pathogens.

SourceUniversity of Konstanz·JournalScience Advances·DateJul 25, 2019

Why companies should not give their customers discounts after service failures

A new study published in the Journal of Marketing found that price-based recovery incentives after service failures are negatively associated with the likelihood of subscribers renewing their contracts at the end of the contract period. The researchers propose several ways subscription-based service providers can reduce the negative ef...

SourceAmerican Marketing Association·JournalJournal of Marketing·DateJul 25, 2019

How neuromuscular connections are maintained after nerve lesions

A study published in Nature Communications reveals that the activation of mTORC1 must be tightly balanced to maintain the neuromuscular junction after nerve injury. This balance is crucial for proper muscle response and preventing age-related muscle atrophy.

SourceUniversity of Basel·JournalNature Communications·DateJul 25, 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.

Cold, dry planets could have a lot of hurricanes

Researchers found that cold and dry climates can produce a high frequency of hurricanes, which challenges the long-held assumption that water is necessary for their formation. The study used computer simulations to model hurricanes in extreme environments.

SourcePurdue University·JournalJournal of the Atmospheric Sciences·DateJul 24, 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.

Climate change could revive medieval megadroughts in US Southwest

A study published in Science Advances suggests that climate change is increasing the risk of future megadroughts in the American Southwest. The researchers found that ocean temperature conditions, high radiative forcing, and severe La Niña events contributed to the medieval megadroughts.

SourceColumbia Climate School·JournalScience Advances·DateJul 24, 2019

Three Mars rovers set to blast off in 2020

The three Mars rovers, including NASA's Perseverance rover, ExoMars rover, and China's HX-1 rover, will analyze rocks and soil for evidence of life on the Red Planet. The missions aim to determine whether life could have existed on Mars in the past.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateJul 24, 2019

Diet of traditional Native foods revealed in hair samples

A study published in the Journal of Nutrition has linked specific chemical signatures in human hair to a diet of traditional Yup'ik foods. The researchers found that changes in nitrogen isotope ratios along the hair strand correlated with increased consumption of traditional foods like fish and marine mammals.

SourceUniversity of Alaska Fairbanks·JournalJournal of Nutrition·DateJul 24, 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.

Magnetic eyelashes: A new source of MRI artifacts

Wearing magnetic eyelashes during MRI can create substantial artifact, obscuring entire phantom. The eyelashes detached from the phantom after scanning, attracted to each other due to friction and adhesion.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·DateJul 24, 2019

Box-sized sensor brings portable, noninvasive fluid monitoring to the bedside

A portable, noninvasive fluid monitoring device has been developed using nuclear magnetic resonance technology, providing accurate measurements of leg fluid buildup in patients with end-stage kidney disease. The device's portability and ease-of-use could enable clinicians to track fluid buildup at the bedside, improving patient care.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Translational Medicine·DateJul 24, 2019

'Terminators' on the sun trigger plasma tsunamis and the start of new solar cycles

Researchers have identified 'terminator' events that mark the end of sunspot cycles, potentially triggering plasma tsunamis and the start of new solar cycles. The study provides insight into the mysterious timing of sunspot cycles, which are crucial for predicting solar storms that can disrupt Earth's upper atmosphere.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalSolar Physics·DateJul 24, 2019
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 new framework to study congenital heart defects

A new study published in Nature reveals the full spectrum of cells involved in congenital heart defect formation, identifying key cell types and their functions. The research uses single-cell RNA sequencing to uncover the molecular drivers of different cell types, shedding light on genetic mutations and disease mechanisms.

SourceGladstone Institutes·JournalNature·DateJul 24, 2019

Designed protein switch allows unprecedented control over living cells

Researchers develop LOCKR, a dynamic designer protein that can modify gene expression, redirect cellular traffic, and control protein binding interactions. This breakthrough technology has the potential to revolutionize synthetic biology and enable new therapies for diseases such as cancer and autoimmune disorders.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNature·DateJul 24, 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.

Amoeba builds barriers for protection against bacteria

Researchers at Baylor College of Medicine discovered that amoebae build a barrier around their colonies to counteract bacterial attacks. The protein CadA enables the amoebae to recognize specific species and adapt to survive, forming clumps with Gram-negative bacteria and allowing for feeding on the edges.

SourceBaylor College of Medicine·JournalScience Advances·DateJul 24, 2019