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Science News Archive June 2018


Page 12 of 40

Human immune 'trigger' map paves way for better treatments

A research team at the Walter and Eliza Hall Institute identified the molecular trigger for necroptosis, a type of controlled cell death that can lead to diseases like stroke, organ transplant injury, and kidney disease. The discovery could lead to new therapeutic targets for treating cancer and immune disorders.

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Researchers engineer bacteria to exhibit stochastic Turing patterns

Scientists have developed a new method to study pattern formation in living systems by engineering bacteria to exhibit stochastic Turing patterns. These random patterns can be stabilized by noise, providing a potential explanation for the emergence of complex structures in biological organisms.

Sticklebacks infected with parasites influence behavior of healthy fish

A team of evolutionary biologists discovered that tapeworms increase the tendency of three-spined sticklebacks to venture into open waters and exhibit risk-friendly behavior. Healthy fish in groups with infected members imitate their changed behavior, while infected fish do not take cues from cautious behavior in healthy fish.

Apple iPhone 17 Pro

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'Antifreeze' molecules may stop and reverse damage from brain injuries

A new study reveals that N-acetylaspartate (NAA) molecules can inhibit the clumping of amyloid-beta proteins, which are associated with cognitive decline and neurological problems. By restoring NAA levels after head trauma or in neurological diseases, it may be possible to block the progression of amyloid pathologies.

Zebrafish's near 360 degree UV-vision knocks stripes off Google Street View

Researchers discovered that zebrafish use a near-360 degree view to detect threatening silhouettes in black-and-white and seek out food by detecting UV light scattering. Their unique four-color vision system is unlike any other vertebrate, with half of their neurons dedicated to eyes that are substantial metabolic investments.

Meta Quest 3 512GB

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Cells stop dividing when this gene kicks into high gear, study finds

Researchers discovered that gene CD36 is unusually active in older cells, causing them to stop dividing. This effect can spread to nearby cells, leading to senescence. The study highlights the importance of understanding cellular aging and its implications for age-related diseases and cancer.

Cross-species prion adaptation depends on prion replication environment

New research found that replication under low RNA conditions alters disease features when transmitted back to hamsters, suggesting that RNA levels during replication influence prion adaptation. This study's findings may improve understanding of cross-species prion transmission and disease in mammals.

US methane emissions greater than thought, in recent years?

Researchers estimate US methane emissions from oil and gas supply chains are greater than thought, with emissions in 2015 about 60% higher than EPA estimates. The discrepancy is likely due to existing inventory methods not capturing abnormal operating conditions like malfunctions.

Artificial vision enables solar field calibration overnight

Researchers have developed a prototype for calibrating an entire solar field in a single night, shaving months off the current process. The innovation integrates digital cameras into heliostats to achieve pixel point accuracy, enabling precise calibration and reducing costs per square meter.

Fluke 87V Industrial Digital Multimeter

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Crisis can force re-evaluation and derail efforts to reach goals

A research team led by Iowa State University's José Rosa found that setbacks can prompt people to reassess the cost-benefits of their health-related goals, potentially leading to quitting. The study's findings suggest that targeted interventions can help patients shift their mindset from renegotiation back to implementation.

Higher body fat linked to lower breast cancer risk in younger women

A large-scale study found that higher body fat is associated with a lower risk of breast cancer in premenopausal women. The study, published in JAMA Oncology, analyzed data from over 758,000 women under the age of 55 and found that as BMI increased, breast cancer risk decreased, particularly among younger women.

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California Aedes mosquitoes capable of spreading Zika

Researchers have found that invasive Aedes mosquitoes in California are capable of transmitting the Zika virus, a significant global health threat. The study involved infecting various mosquito species with three different strains of ZIKV and found that up to 90% of infected Aedes mosquitoes transmitted the virus.

Nearly 80 exoplanet candidates identified in record time

Scientists at MIT have discovered nearly 80 new planetary candidates in the K2 dataset, including a likely planet that orbits HD 73344 every 15 days. The planet is estimated to be 2.5 times the size of Earth and 10 times as massive, with surface temperatures reaching 1,200-1,300 degrees Celsius.

Nikon Monarch 5 8x42 Binoculars

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Enhanced detection of nuclear events, thanks to deep learning

Scientists at PNNL have developed a deep neural network that accurately detects nuclear events with high accuracy, often exceeding human expert's performance. The network was trained on 32,000 pulses and achieved impressive results, correctly identifying 99.9% of signals with minimal noise.

When fluid flows almost as fast as light -- with quantum rotation

A team of scientists presents a new model explaining the effects of quantum spin on relativistic flows of quark-gluon plasma, which can flow at speeds close to light. The model considers the conservation of momentum and takes into account the spin polarization of particles.

Researchers uncover new target to stop cancer growth

Researchers at the University of Wisconsin-Madison have identified a protein called Munc13-4 that helps cancer cells secrete exosomes, stimulating tumor growth. Exosome release is dependent on calcium levels and can transfer oncogenes to neighboring cells, contributing to tumor progression.

Bisexual men have higher risk for heart disease

A new study published in LGBT Health found that bisexual men have a higher risk for heart disease compared to heterosexual men, with increased rates of mental distress, obesity, and elevated blood pressure. Researchers highlight the importance of tailored screening and prevention strategies to reduce heart disease risk in bisexual men.

Apple MacBook Pro 14-inch (M4 Pro)

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Northwestern researchers achieve unprecedented control of polymer grids

Researchers have developed a two-step process to produce high-quality covalent organic frameworks with crystalline structures, enabling precise control over material properties. These materials have promising potential for water purification, solar energy storage and body armor applications.

Bedrock in West Antarctica rising at surprisingly rapid rate

A new study reveals that bedrock in West Antarctica is rising at an unexpectedly fast rate, potentially increasing the stability of the ice sheet against catastrophic collapse. This rapid uplift may be due to a hotter and more fluid mantle beneath the area.

Celestron NexStar 8SE Computerized Telescope

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Scientists discover how brain signals travel to drive language performance

Researchers used magnetic brain stimulation to study the interaction between brain regions and networks in language production. They found that the left inferior frontal gyrus (LIFG) plays a critical role in integrating and segregating communication between brain networks, particularly in open-ended language tasks.

Aranet4 Home CO2 Monitor

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Prop. 47 lessened racial disparities in drug arrests

A study from UC San Francisco found that Prop. 47 reduced felony drug arrests by nearly 75% across California, with a significant decline in racial disparities. The measure also led to a decrease in misdemeanor drug citations and overall drug arrests.

Common psychiatric disorders share an overlapping genetic risk

Researchers found substantial overlaps in genetic risk for psychiatric disorders, including ADHD, bipolar disorder, major depressive disorder, and schizophrenia. In contrast, neurological disorders showed limited evidence of common genetic risk factors, suggesting greater diagnostic specificity.

Medicaid Expansion increased low-income patient access to kidney transplants

A new study found that Medicaid expansion increased the number of chronic kidney disease patients with Medicaid coverage who were placed on the kidney transplant waiting list. States that expanded Medicaid saw a significant boost in Medicaid-covered preemptive listings, especially among racial and ethnic minority patients.

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Fat cells control fat cell growth

Researchers at ETH Zurich discovered a new type of regulatory fat cell called Aregs that inhibits the formation of new fat cells. This discovery opens up promising avenues for future therapies to protect obese people from diabetes and other secondary illnesses.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

One year of school comes with an IQ bump, meta-analysis shows

A meta-analysis of 42 studies found that an additional year of education correlates with an average increase of 3.394 IQ points, with effects lasting even into adulthood. The study's findings suggest that education has a long-lasting impact on intelligence, regardless of age.

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.

Novel therapy makes oxidative stress deadly to cancer

Scientists have developed a novel therapy that reprograms the metabolism of tumor cells, increasing their level of reactive oxygen species and leading to death. By pushing oxidative stress levels to the point where cancer cells become deadly, this treatment shows promise in treating various types of cancer.

Coining less expensive currency: bringing down the cost of making nickels

Researchers at NIST have developed a new material for making nickels that is 40% less expensive to produce, reducing the cost of materials from seven cents to five cents per coin. The new design uses an integrated computational materials engineering framework and advanced alloys to achieve this cost reduction.

UBC researchers create matchmaking service

Researchers at the University of British Columbia have created a matchmaking service to pair peptides with antibiotics, increasing treatment success rates against antimicrobial resistant bacteria. Seven combinations were identified that worked better than antibiotics alone, offering up to a 100-fold improvement.

UC Davis to lead national cow genomics effort

The University of California, Davis, is leading a $2.5 million USDA-funded project to develop a cow genomics program. This initiative aims to unlock the secrets of the bovine genome, enabling more efficient genetic selection for improved growth and disease resistance in cattle.

A quick rebound of Antarctic crust promotes ice-sheet stability

A rapid rebound of Antarctic crust may help stabilize the West Antarctic Ice Sheet against catastrophic collapse. The Amundsen Sea Embayment is experiencing an uplift rate of 41 millimeters annually, which could delay collapse events under strong climate forcing.

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.