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Science News Archive 2017


Page 92 of 461

New tyrannosaur fossil is most complete found in southwestern US

A nearly complete skeleton of a 76-million-year-old tyrannosaur was discovered in the Grand Staircase-Escalante National Monument. The fossil is believed to be an individual of the species Teratophoneus curriei, with a relatively short head and estimated length of 17-20 feet.

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When new players learn slot-machine tricks, they avoid gambling addiction

Researchers at the University of Waterloo found that a short educational video helps novice gamblers become more aware of losses disguised as wins and curb false perceptions. This increased awareness may lead to a more realistic view of their gambling experiences, potentially preventing problems down the road.

Apple iPhone 17 Pro

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

NASA's MAVEN mission finds Mars has a twisted tail

The research found that Mars' magnetotail is unique, with a twist caused by magnetic reconnection between the solar wind and embedded surface fields. This process may also propel some of Mars' atmosphere into space.

Cleaning up? Not without helpers

Researchers from the University of Freiburg successfully identified the molecular composition of calcium-ATPases, crucial for controlling various Ca2+-dependent processes in cells. The discovery highlights the essential role of novel subunits Neuroplastin and Basigin in regulating Ca2+ clearance.

AmScope B120C-5M Compound Microscope

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Six degrees of separation: Why it is a small world after all

Researchers from University of Leicester and KU Leuven found that information flow accounts for emergence of small-world networks in complex systems. These structures arise spontaneously in neuronal and social networks, and are characterized by short-cuts and hierarchical organization.

Terahertz spectroscopy goes nano

Researchers at Brown University have improved the resolution of laser terahertz emission microscopy (LTEM) to 20 nanometers, enabling detailed imaging of individual nanostructures. This technique can be used to study a wide variety of materials, including semiconductors and perovskite solar cells.

'Y' a protein unicorn might matter in glaucoma

Researchers at Georgia Institute of Technology have identified a rare Y-shape in a protein associated with hereditary glaucoma, which may revolutionize its treatment. The discovery reveals how the Y ties together major components of the protein and could help understand myocilin's role in the eye.

Celestron NexStar 8SE Computerized Telescope

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Changes in insurance coverage among patients with cancer under ACA

The study found that the uninsured rate for adults with new cancer diagnoses decreased from 5.73% to 3.81% in 2014, a gain of 1.92 percentage points across multiple cancers and demographic groups. Coverage gains were particularly significant for Hispanic individuals and those with early- or late-stage disease.

Brain takes seconds to switch modes during tasks

A UCL study in rats reveals that the brain rapidly switches between operational modes in response to tasks and replays. The researchers found that it only takes 10-15 seconds for the brain to switch from a mode supporting planning to one supporting memory consolidation.

GoPro HERO13 Black

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Lower brain glucose levels found in people with obesity, type 2 diabetes

A new Yale study reveals decreased brain glucose levels in individuals with obesity and type 2 diabetes compared to lean individuals. This finding might explain the underlying mechanisms of disordered eating behavior and an increased risk of Alzheimer's disease among obese and diabetic individuals. The researchers suggest that impaired...

At tremendous precision, the proton and antiproton still seem identical

The RIKEN-led BASE collaboration has measured the magnetic moment of the antiproton at unprecedented precision, finding it remarkably close to that of the proton. This result imposes strict limits on the possibility of CPT asymmetry, a key factor in the imbalance between matter and antimatter.

Rapid environmental change makes species more vulnerable to extinction

Researchers found that indirect effects of coevolution have a greater impact on complex biological communities than direct interactions. This is particularly concerning for species-rich networks, which are slow to adapt to rapid environmental changes and may face higher extinction risks.

Fluke 87V Industrial Digital Multimeter

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UCI scientists see order in complex patterns of river deltas

Researchers find that deltas exhibit a high diversity of delivery pathways to the sea, adapting to maintain their existence. The study's findings suggest an 'optimality principle' governing the behavior of rivers deltas across different environments.

New analysis suggests that preserving rare species is vital to tropical forests

An international team developed a statistical approach to examine forest populations and predict biodiversity, highlighting the importance of rare species in maintaining ecosystem health. The new method provides accurate estimates of species numbers and abundances, enabling conservation efforts to focus on vulnerable species.

This nanoelectronics breakthrough could lead to more efficient quantum devices

A Concordia University study published in Nature Communications reveals the potential for ultra-smart transistors that harness the quantum nature of electrons. Researchers have made a breakthrough in controlling electron behavior within nanoelectronics, showing new engineering possibilities for two-in-one quantum electronic devices.

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Healthy coral populations produce a surprising number of offspring

A new study reveals that healthy coral populations can produce significantly more offspring than degraded populations, with higher percentages of successful parents and increased reproductive output. This finding highlights the critical role of healthy coral reefs in supporting reef recovery and re-seeding other areas.

Mass killings happen randomly, yet rate has remained steady, study finds

A new study by University of Illinois researchers found that mass killings in the US have remained steady over the past decade, with no significant increase in frequency or clustering. The study's authors suggest that a robust response system and resiliency in infrastructure are key to minimizing the impact of such events.

Dutch courage -- Alcohol improves foreign language skills

A new study found that consuming a low dose of alcohol can improve bilingual speakers' ability to speak a second language, particularly in terms of pronunciation. However, the study's results suggest that higher levels of alcohol consumption may not have similar benefits.

Apple AirPods Pro (2nd Generation, USB-C)

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Understanding the coevolving web of life as a network

A new study explores the coevolving web of life as a network, revealing counterintuitive results on direct and indirect effects within large webs of interacting species. The findings suggest that strong coevolutionary selection between partners increases the importance of indirect effects on overall evolution.

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Aranet4 Home CO2 Monitor

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First time mums with an epidural who lie down more likely to have a normal birth

A recent study published in The BMJ found that first-time mothers with an epidural who adopt a lying down position during the second stage of labor are more likely to deliver their baby without any medical intervention. The study involved 3,093 women and found a 5.9% increase in the chance of spontaneous birth in the lying down group.

Nature or nurture? Innate social behaviors in the mouse brain

Research finds that social experience with a female mouse triggers separate neural populations and aggressive behavior in males, challenging the 'hardwired' hypothesis. The study reveals that even innate behaviors have a degree of plasticity and computation.

Is HPV vaccination safe for adult women?

A large-scale study involving over 3 million Danish and Swedish adult women found no association between HPV vaccination and serious chronic diseases. However, the vaccine may increase the risk of developing celiac disease, particularly in Denmark where the condition is underdiagnosed.

Physics boosts artificial intelligence methods

Researchers developed a method to extract Higgs boson signal from noise data using quantum-compatible machine learning techniques, outperforming standard counterparts even with small datasets. The new approach is expected to be useful for problems beyond high-energy physics.

CalDigit TS4 Thunderbolt 4 Dock

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Study finds epilepsy drug to be safe during pregnancy

A recent study published in the British Journal of Clinical Pharmacology found that using lamotrigine during pregnancy does not increase birth malformations or neurodevelopmental disorders. The research monitored 83 children born to epileptic mothers who took the medication between 2004 and 2014.

From Dr. Jekyll to Mr. Hyde of cancer immunotherapy

Researchers found that neutrophils can inhibit T lymphocyte activity, weakening the effect of cancer immunotherapy. This mechanism, triggered by soluble mediators released by cancer tissues, can cause an 'evil alter ego' in neutrophils, making them less effective at fighting cancer cells.

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.

Migraine drug commonly used in ER may not be best option

A study published in Neurology found that prochlorperazine was more effective than hydromorphone in treating acute migraine, with 60% of patients experiencing sustained headache relief. The study also found no significant difference in opioid addiction rates between the two groups.

Screening for disease or toxins in a drop of blood

Newomics Inc.'s multinozzle emitter array (MEA) technology can screen for diseases or toxins in small volumes of biological samples, improving sensitivity and throughput. This technology is designed to work with mass spectrometers to measure the structure and concentration of molecules, enabling better medicines and diagnostics.

UMN receives grant from Helmsley Charitable Trust to test 'super ambulances'

The University of Minnesota Medical School has received a $892,462 grant from the Helmsley Charitable Trust's Rural Healthcare Program to develop a plan for equipping ambulances with mobile emergency departments. The goal is to improve emergency care for critical-need patients in the greater Minneapolis-St. Paul metropolitan area.

Kestrel 3000 Pocket Weather Meter

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Petals produce a 'blue halo' that helps bees find flowers

Researchers found that flower petals with nanoscale ridges on their surface produce a 'blue halo' effect, which helps bees locate flowers. The irregularities in these nanostructures appear to be harnessed by evolution to aid floral communication.

Police satisfaction in developing countries dependent on less corruption

A new study by researchers at the University of Kent and Utrecht found that reducing corruption is crucial to improving police satisfaction in developing countries. The study, which involved 559 residents in Accra, Ghana, showed that even fair treatment by police can be undermined by awareness of corruption and ineffectiveness.

Stiff fibers spun from slime

Scientists discover that velvet worm slime consists of a mix of proteins and fatty acids, forming nanoglobules that harden into stiff filaments when exposed to shear forces. These fibers have tensile stiffness similar to Nylon and can be dissolved in water again within hours.