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Science News Archive 2017


Page 39 of 461

Feathered dinosaurs were even fluffier than we thought

A University of Bristol-led study has revealed new details about the ancient dinosaur Anchiornis, including its fluffy and primitive feathers. The findings suggest that the animal's feathers would have increased drag when gliding and affected its ability to control temperature and repel water.

Pay-for-performance fails to perform

A Harvard Medical School study found that a pay-for-performance program inadvertently shifted funds away from physicians treating sicker patients, exacerbating disparities in healthcare delivery. The program's design did not account for differences across patient populations, leading to no improvements in performance or care quality.

Apple iPhone 17 Pro

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

First evidence for Julius Caesar's invasion of Britain discovered

The discovery of a large defensive ditch at Ebbsfleet, Kent suggests that the site was once a Roman base used to protect Caesar's fleet. The team believes the first landing took place in Pegwell Bay, matching Caesar's own account and consistent with topography clues.

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.

Low frequency brain stimulation improves cognition in Parkinson's disease

A multidisciplinary neuroscience study found that low frequency brain stimulation of the subthalamic nucleus can improve cognitive symptoms in patients with Parkinson's disease. The research also reveals a new connection between the frontal cortex and the subthalamic nucleus, which may be targeted to improve cognitive function.

NASA begins checkout of Dellingr spacecraft

The Dellingr spacecraft, designed to demonstrate the viability of CubeSats for scientific research, has begun its checkout process after being released into low-Earth orbit on November 20. The spacecraft is equipped with a suite of miniaturized instruments to gather data on the Sun's influence on Earth's upper atmosphere.

How much should a victim be compensated for emotional suffering?

A new study from the University of Chicago Booth School of Business found that people tend to award less compensation for emotional suffering when a small economic loss is present. The researchers suggest that victims should focus on emotional losses, rather than combining them with economic losses, to receive more favorable compensati...

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.

UTSW scientists take early step to personalized breast cancer care

UT Southwestern scientists have developed a method to map protein changes that occur in different subtypes of breast cancer cells in response to DNA damage from new chemotherapy drugs. This could lead to a test to predict an individual patient's response to a particular drug, potentially revolutionizing personalized medicine.

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.

Why do more women have asthma than men? Blame hormones

A study by Vanderbilt University and Johns Hopkins researchers found that testosterone hinders an immune cell linked to asthma symptoms in women. This is due to the effects of testosterone on lung cells, which are more prevalent in asthmatic women than men.

In search of: Researchers explore the ocean for alternatives to opioids

A multi-disciplinary team of researchers is exploring natural compounds from marine organisms to develop non-opioid drugs for chronic pain management. The team aims to identify novel drugs with the beneficial effects of opioids but lack the adverse actions, such as addiction and respiratory depression.

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.

Rotman School strategy professor receives Canada Research Chair

András Tilcsik, a professor at the University of Toronto's Rotman School of Management, has been awarded a Canada Research Chair to investigate biases in organizational processes and policies for hiring. His research will provide evidence and information to help build more diverse and equitable workplaces.

There's a deeper fish in the sea

The new species, named Pseudoliparis swirei, thrives at depths of up to 8,000 meters and is found in groups feeding on tiny crustaceans and shrimp, adapting to extreme pressure with success.

Advances in MALDI mass spectrometry within drug discovery

This special issue highlights innovations in MALDI mass spectrometry for characterizing proteomes, detecting analytes, and screening non-covalent binding of small molecules to target proteins. MALDI imaging is used to study diseases and therapeutics, including the distribution of glycosphingolipids in a Gaucher Disease model mouse brain.

Harnessing the rattling motion of oxygen ions to convert T-rays to visible light

Researchers have successfully visualized terahertz radiation by converting it into bright, visible light using the rattling motion of oxygen ions in a cage-like structure. The crystal, called mayenite, is composed of calcium, aluminum, and oxygen, making it an inexpensive material with potential applications in T-ray detection.

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.

Marriage may help stave off dementia

A synthesis of 15 studies found that married people had a lower risk of developing dementia compared to lifelong singletons and widowers. The researchers suggest that marriage may promote healthier lifestyles and social engagement among couples, which can contribute to a lower risk of dementia.

Kant, Hume, and the retailer's dilemma

A study found that allowing unethical customers to open multiple accounts benefits both the retailer and ethical customers, increasing purchasing power and engagement.

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.

As private funding of biomedical research soars, new risks arise

The shift from public to private funding in biomedical research poses significant challenges, including collaborative research models, intellectual property rights, and oversight. Researchers must navigate conflicts between private benefactors, institutions, and scientists to ensure the integrity of research.

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.

Discovery points the way to better and cheaper transparent conductors

Researchers have identified a factor limiting the conductivity of fluorine doped tin dioxide, a material used in touch screens, solar cells, and energy efficient windows. The discovery could lead to coatings with up to five times higher conductivity, reducing cost and enhancing performance.

Research reveals the scale at which Earth's mantle composition varies

Scientists have discovered that heterogeneities in the Earth's mantle are at least a kilometer in size, enabling the survival of their chemical signature during magma transport. This finding has significant implications for our understanding of mantle convection and its impact on tectonic plate movement.

Fighting plant disease at warm temperatures keeps food on the table

Researchers found that high temperatures weaken plant defenses while strengthening bacterial attacks, making plants more vulnerable to infection. However, treatment with a chemical that mimics salicylic acid can effectively protect plants from infection at elevated temperatures.

When physics gives evolution a leg up by breaking one

Researchers at Georgia Tech found that physical stress drove the evolution of multicellular bodies in yeast cells, allowing them to grow larger and more robust. This process was mainly driven by forces within the cells' physical structures, which pushed the snowflakes to evolve towards bigger, tougher bodies.

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.

Xenophobia strongly linked to Brexit, regardless of voter age, gender or education

Research found that British citizens who fear immigrants were more likely to have voted for Brexit, and that collective narcissism is a new predictor of political behavior. The study identifies three groups: authoritarians, social dominance orientation, and collective narcissists, with the latter group linked to a strong desire for pri...

New computational method introduced for lighting in computer graphics

Researchers at Aalto University developed a new computational method to address the challenge of computing realistic indirect illumination in real-time computer graphics. The novel method accurately computes indirect illumination using sparse radiance probes, enabling fast and accurate lighting simulations.

Male trout are now real males again

Researchers at the University of Southern Denmark found that widespread feminization among male brown trout in Danish streams had completely disappeared between 2004 and 2016. The improvement was attributed to better wastewater treatment practices, particularly the connection to municipal wastewater treatment plants.

Fluke 87V Industrial Digital Multimeter

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

Ryk needs a chaperone

Researchers discovered Ryk's chaperone, Smek, which regulates key genes transforming stem cells into brain cells. The study sheds light on the mechanisms of brain development and may lead to new therapies for neurological diseases and brain cancer.

Dark ocean bacteria discovered to play large role in carbon capture

Researchers from Bigelow Laboratory discovered nitrite-oxidizing bacteria to be key players in the global carbon cycle, capturing more than 1.1 gigatons of CO2 annually. These large, relatively rare bacteria outperform archaea in carbon capture, highlighting a significant shift in our understanding of oceanic carbon cycling.

New discovery to accelerate development of salt-tolerant grapevines

A recent Australian discovery identified genes expressed in grapevine roots that limit sodium uptake, leading to more robust salt-tolerant rootstocks. This breakthrough allows for early screening of new genotypes at the seedling stage, supporting the local wine sector's sustainability.

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.

Neurofeedback shows promise in treating tinnitus

Researchers used fMRI to study neurofeedback training's potential in treating tinnitus, finding a significant relationship between controlling the primary auditory cortex and attentional processes. The training involved participants focusing away from sound to decrease brain activity.

Activity descriptors for electrocatalysts in energy storage applications

Scientists developed adsorption-energy-based activity descriptors to improve electrocatalytic activity in energy storage. The descriptors are linked to interfacial electronic coupling, providing a new method for selecting high-activity catalysts and understanding structure-activity relationships.

Worried about holiday weight gain? Your scale isn't giving you the whole picture

A new study used MRI imaging technology to plot diverse changes in body organ fat storage pools during 18 months of Mediterranean/low-carb and low-fat diets, with and without moderate physical exercise. The results showed that even with modest weight loss, the Med/LC diet was significantly superior to a low-fat diet in reducing some fa...

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.

Quest for new medicines could be helped by cell discovery

Scientists at the University of Edinburgh have identified two molecules, SMAD2 and SMAD3, that enhance cellular reprogramming efficiency. This breakthrough could accelerate production of induced pluripotent stem cells for studying diseases like multiple sclerosis and Parkinson's disease.

Studying heat transfer with computers is easier now

Researchers have developed a new method to study thermal transfer, enabling more efficient numerical simulations and revealing deeper mechanisms of heat flow. This breakthrough opens up important research possibilities and potential applications in various fields.

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.

What can zebrafish teach us about our survival in the face of mutations?

Researchers have found that zebrafish can survive despite mutations by using workarounds such as regulating expression of related genes or skipping errors in DNA transcription. This study provides guidelines for designing targeted mutations and accelerating the development of diagnostics and therapeutics for human diseases.