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Science News Archive June 2017


Page 19 of 40

Bacteria free themselves with molecular 'speargun'

Researchers discovered that the pathogen Francisella tularensis uses a nano-machine called type VI secretion system (T6SS) to disrupt digestive vesicles and escape into the cytosol, allowing it to rapidly replicate. This efficient defense mechanism is crucial for the bacterium's success in an infection.

Skin disease caused by sperm cell transmission of keratin mutation

Researchers at Nagoya University identified a mosaic skin disease caused by sperm cell transmission of keratin mutation. The mutation was found to be identical in the affected daughter and her father, confirming germline transmission. Genetic counseling is crucial for predicting disease risk in future children.

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.

Distant brain regions selectively recruit stem cells

Researchers have found that brain regions can target specific pools of stem cells in the subventricular zone, stimulating them to divide and produce particular types of olfactory bulb neurons. This allows for the on-demand generation of specific neuron subtypes in the adult brain.

Is it ok for parents to be supportive to children's negative emotions?

Mothers who are more supportive of their children's negative emotions rate them as more socially skilled, but these same children appear less socially adjusted at school. This study highlights the potential downside to mothers' supportiveness on third-grade children's social adjustment.

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.

Chinese urbanization 2050: SD modeling and process simulation

A Chinese research team proposes a multi-dimensional system dynamic (SD) simulation model to understand China's urbanization process. The model provides a comprehensive view of the mechanism constrained by environmental sustainability, with an ultimate urbanization level predicted in multiple scenarios.

Shaking Schroedinger's cat

Researchers at Washington University in St. Louis have discovered that quasimeasurements, a new type of measurement interaction, cause the quantum Zeno effect and anti-Zeno effect. The disturbance from these measurements shifts the energy levels of the atom, leading to faster or slower decay rates.

New international honor for professor Rajeshwar Dayal Tyagi

Professor Tyagi received the Outstanding Scientist Award from the International Bioprocessing Association for his outstanding contribution to environmental biotechnology. He has also earned numerous accolades, including awards from the American Academy of Environmental Engineers and Scientists.

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.

Study casts doubt about link between eczema, cardiovascular disease

A new study published in the British Journal of Dermatology found that adults with atopic dermatitis were not at increased risk for cardiovascular problems such as high blood pressure, Type 2 diabetes, heart attacks, or strokes. The research suggests that eczema is likely not positively associated with cardiovascular disease.

New approach to unlock the genetic potential of plant cell wall

The study provides detailed information about the genetics of crop plants, enabling breeders to identify key genes responsible for cell wall properties. By linking this data to specific changes in genetic information, researchers can make targeted improvements to support agricultural industries and biofuel production.

Antibiotics promote resistance on experimental croplands

Researchers have generated both novel and existing antibiotic resistance mechanisms in soil exposed to specific antibiotics. The study found 36 antibiotic resistance genes, including some multi-drug efflux pumps that pump antibiotics out of bacteria.

Fluke 87V Industrial Digital Multimeter

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

MAVEN's top 10 discoveries at Mars

MAVEN has made several groundbreaking discoveries about the Martian upper atmosphere, including unexpected exchanges of gas between lower and upper atmosphere layers. The mission has also revealed complex interactions between solar wind and planet, resulting in the loss of atmospheric gas to space.

Radon increases risk for malignant skin cancer

New research from Swiss Tropical and Public Health Institute finds that radon increases the risk of developing malignant skin cancer, with a 50% increase in risk for 30-year-olds. The study highlights the importance of reducing residential radon exposure through appropriate house construction.

Viral vectors for gene transfer travel longer distances in the brain than thought

Researchers found that artificial viruses can infect brain cells and surrounding tissues beyond the injection site, influencing the immune response. The study's findings could improve the selection of suitable viral 'gene transporters' for custom therapies, offering a glimmer of hope for patients with Alzheimer's and Parkinson's.

New effective treatments for psoriatic arthritis patients

Two new drug classes, tofacitinib and guselkumab, have shown significant improvements in treating psoriatic arthritis. Tofacitinib demonstrated superiority over placebo in ACR20 response rates and HAQ-DI score at 3 months, while guselkumab improved joint symptoms, physical function, and quality of life in patients with active PsA.

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.

Mathematicians deliver formal proof of Kepler Conjecture

A team led by Thomas Hales has delivered a formal proof of the Kepler Conjecture, resolving a centuries-old mathematical problem. The proof uses computer verification to establish certainty, addressing the community's inability to thoroughly verify previous attempts.

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.

Researchers use light to manipulate mosquitoes

Exposure to just 10 minutes of light at night suppresses biting behavior and manipulates flight in Anopheles gambiae mosquitoes. The study suggests pulses of light could be an effective tool to complement established control methods for reducing disease transmission.

Among farmworkers, immigrants are less likely to use SNAP

A new study from UC Davis researchers found that immigrant farmworkers are less likely to use the Supplemental Nutrition Assistance Program (SNAP) compared to their US-born counterparts. The analysis of comprehensive data on farmworker households showed a significant increase in SNAP participation among citizens, while immigrants and H...

Investigating emotional spillover in the brain

A study published in Psychological Science found that inhibiting the lateral prefrontal cortex using Transcranial Magnetic Stimulation (TMS) increases emotional spillover, while preserving its integrity eliminates it. The research suggests a causal relationship between the prefrontal cortex and emotion regulation.

Celestron NexStar 8SE Computerized Telescope

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

Annals of Oncology in top 10 oncology journals

Annals of Oncology has achieved an impressive Impact Factor score of 11.855, ranking it among the top 5% of oncology titles globally. The journal is recognized for its rapid and efficient peer-review publications on cutting-edge cancer research.

Volcanic crystals give a new view of magma

Scientists have found that magma reservoirs are less liquid and more crystalline than previously thought, with most crystals retaining their structure for tens of thousands of years before being exposed to molten magma. This discovery could help predict when volcanoes pose the greatest risk by identifying those with mobile magma.

How to educate future therapists more effectively

A Concordia study identifies conflicting demands of education and therapy in the classroom, causing emotional stress among students. The study recommends increased transparency between teachers and students, clearer policies on affective material, and discussions on ethical practices to enhance the student experience.

Apple iPhone 17 Pro

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

Japanese slow earthquakes could shed light on tsunami generation

Researchers found that 50% of energy is released in slow earthquakes, reducing tsunami risk, but the exact mechanism remains unclear. The study used data from instruments placed on the seafloor and in boreholes east of Japan's coast to understand slow-slip earthquakes and their impact on large earthquakes and tsunamis.

Knowing HIV levels are 'undetectable' may affect sexual behavior

A study by H. Fisher Raymond found that MSM with known HIV infection who know their viral status tend to reduce sexual risk behaviors. The results suggest a link between undetectable viral load and safer sex practices, but more research is needed to confirm this association.

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.

In California, large-scale water cycles impact quakes a little

A new study reveals that large-scale water cycles in California have a modest impact on small-scale earthquake activity. Slight changes in ground stress associated with snow accumulation, snowmelt, runoff, and irrigation for agriculture influence earthquake likelihood.

Gut bacteria might one day help slow down aging process

Scientists identified bacterial genes and compounds that extend lifespan, slow tumor growth, and reduce amyloid-beta accumulation in laboratory worms. These findings suggest potential for designing supplements to slow down aging process.

Animal evolution: Hot start, followed by cold shock

The study suggests that animal phyla emerged rapidly around 700 million years ago, prior to the global Ice Age. The earliest known animal fossils exhibit complex morphologies, indicating animals originated before the Cambrian Period. New molecular-clock analysis produces a new estimate for the ages of the oldest animal groups.

When healthy cells stimulate the migration of tumor cells

Researchers at Université de Genève discovered that healthy fibroblasts surrounding breast cancer cells have a unique variant of the estrogen receptor GPER in their nuclei. This genetic variation promotes tumor cell migration and invasiveness through the secretion of molecules that stimulate malignant growth.

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.

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.

University of Utah biochemist Erhu Cao named Pew Scholar

Erhu Cao, a University of Utah biochemist, has been named a Pew Scholar to explore the dynamic interactions within cell membranes. His research focuses on ADPKD, a genetic disorder affecting approximately 1 in 1,000 people, and may lead to new therapeutic approaches.

Boston University awarded Macy grant to improve refugee health

The three-year $392,000 grant will develop a comprehensive educational program to train future physicians in refugee health, addressing physical, emotional, and social trauma. The initiative aims to increase cultural competence among medical students and provide patients with culturally sensitive care.

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.

Pew awards 22 promising biomedical researchers funding to advance human health

The Pew Charitable Trusts has awarded funding to 22 early-career researchers to pursue foundational research in the biomedical sciences. The scholars will use novel approaches to illuminate the mechanisms of human biology and disease. This award aims to support scientists trying to crack some of the toughest questions in human health.

Seasonal rain and snow trigger small earthquakes on California faults

Researchers found that seasonal stress changes, caused by winter rains and summer rebound, lead to an increase in small earthquakes along California faults. The study used regional global positioning system data to calculate stresses due to water loads, revealing a correlation between peak stress and seismicity.

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.