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Science News Archive 2021


Page 81 of 510

Study reveals a gene crucial to sperm cell production

The study reveals that the Cdc42 gene is essential for proper alignment and function of Sertoli cells, which support sperm cell development. Disruptions in this gene can lead to reduced testicular function and infertility. Researchers hope to develop non-invasive diagnostic tests to identify specific causes of male infertility.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Discovery of a new species of fish thanks to sounds

Researchers have identified a new species of damselfish, Dascyllus emamo, based on distinct sounds emitted during mating and territorial defense in different populations. The discovery was confirmed through genetic analysis, revealing significant differences between the sound-producing populations.

What causes disease outbreaks?

A study by the University of Georgia's Center for the Ecology of Infectious Diseases identified contaminated water as the most common driver of large-scale zoonotic disease outbreaks. The researchers analyzed over 4,400 outbreaks and found that unusual weather patterns and changes in vector abundance were also significant contributors.

Fermented soybeans suppress asthma-induced airway inflammation

A new study published in Nutrients found that consuming fermented soy product ImmuBalance reduces eosinophilic-related inflammation in the bronchi of asthma model mice. The researchers also discovered a suppression of proteins that induce eosinophilic inflammation, suggesting beneficial effects for allergic asthma.

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.

Fossil rivers of the Sahara tell of the threat of warming

A UNIGE-led team studied fossil rivers to reconstruct the Sahara's rainfall rates that led to a major migration of people away from the Nile valley 10,000 years ago. The research found a sharp increase in intense rainfall events, forcing riverine populations to migrate to central Egypt.

Grant funds study of free-living nitrogen fixers in organic systems

Researchers will test inexpensive techniques to increase asymbiotic nitrogen fixation, aiming to reduce reliance on expensive certified organic fertilizers. The project aims to provide evidence for a cheap, effective, and sustainable form of nitrogen for organically managed crops.

Warmer water, less nutrition

Researchers found that warmer seawater temperatures decreased the nutritional content of giant kelp, a vital food source for many marine species. This decline could lead to population declines among consumers of kelp, including fish, invertebrates, and shorebirds, with far-reaching effects on entire ecosystems.

Apple iPhone 17 Pro

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

The young plant’s pantry does more than just feed it

A UNIGE team discovered that the endosperm's role extends beyond nutrition to influence seedling development, including cuticle formation. In its absence, seedlings fail to develop normally, highlighting the tissue's crucial protective function.

Transplants for alcohol-related liver inflammation surge during pandemic

During the pandemic, registrations for alcoholic hepatitis and deceased donor liver transplants increased by over 50%, associated with rising alcohol sales. Alcoholic hepatitis can lead to permanent scarring and long-term damage if left untreated, highlighting the need for public health interventions around excessive alcohol consumption.

Magnetic material 3D-printed from nonmagnetic powder

Researchers at Skoltech and their colleagues have successfully created a magnetic material by 3D printing a gradient alloy from nonmagnetic powders. The resulting alloy exhibits ferromagnetic properties, opening up potential applications in machine engineering, such as electrical motors.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

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.

Clinically significant cataract linked to increased risk of vascular death

A recent study published in the British Journal of Ophthalmology found that individuals with clinically significant cataracts have a higher risk of dying from strokes and heart attacks. The study analyzed data from over 14,000 participants and found that the risk of death was 36% higher for those who had undergone cataract surgery.

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.

3 teens with COVID-19 developed sudden severe psychiatric symptoms. Why?

A new study found that COVID-19 can trigger severe psychiatric symptoms in adolescents, with anti-neural antibodies playing a potential role. Two patients with mild/asymptomatic COVID developed suicidal thoughts and paranoid fears, while another patient without prior psychiatric history recovered fully after treatment.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Celestron NexStar 8SE Computerized Telescope

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

Men, women ride the same emotional roller coaster

Researchers found little-to-no differences in emotional fluctuations between men and women, contradicting long-held assumptions about hormonal influences on emotion. The study's findings have implications for research participation and understanding of emotional variability.

New project helps people who are blind safeguard private visual content

A new project aims to empower people who are blind to independently review and protect their personal visual content from accidental privacy leaks. Researchers have developed novel computer vision algorithms that can detect sensitive information in images and videos, allowing users to blur or remove private content before sharing.

Study explores how climate change may affect rain in U.S. Corn Belt

A new Penn State study explores how climate change affects rain in the U.S. Corn Belt, finding that air humidity plays a crucial role. The research suggests that high near-surface humidity is most important for convective precipitation or rain, contrary to previous expectations that soil moisture would be the key factor.

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.

Assessing the potential of major earthquakes near NEOM

Researchers using satellite geodesy and InSAR imagery found the Arabian side of the Dead Sea Transform fault has been moving steadily northwards at around five millimeters per year. The studies suggest that large earthquakes may be less frequent near the southern end of the Gulf, but more investigations are needed for a resilient city.

Topological valley Hall edge solitons in photonics

Researchers discovered a novel topological edge soliton that inherits topological protection from its linear counterpart, enabling robust and localized light beams. This breakthrough is achieved through nonlinear photorefractive lattices harnessing the valley Hall effect, without requiring an external magnetic field.

Urban areas across the US are undercounting greenhouse gas emissions

A new study reveals that methane emissions from US cities are 2-10 times higher than recent estimates, with Boston's emissions being six times higher due to pipeline and end-use emitters. The research found that seasonal consumption-based emissions account for 56% of total natural gas emissions in Boston.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Artificial intelligence sheds light on how the brain processes language

A new study reveals that high-performing AI next-word prediction models resemble the function of language-processing centers in the human brain. The models' activity patterns closely match those seen in the brain during language tasks, suggesting a potential connection between AI and human language processing.

Rural areas, hit hard by COVID-19, lack access to new treatment trials

A new study reveals that rural Americans face significant challenges in accessing COVID-19 treatment trials, with many living more than an hour away from the nearest trial site. Native Americans and Alaska Natives are particularly affected, with over 50% living more than 60 minutes from a trial site.

Effect of guaranteed financial incentives on COVID-19 vaccination

A pilot program in North Carolina found that offering incentive cash cards to adults who receive or drive someone to receive their first dose of COVID-19 vaccine significantly increases vaccination rates. The study suggests that guaranteed financial incentives can be an effective strategy to promote COVID-19 vaccination.

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.

Researchers identify conformers of ethyl peroxy radicals

A research group has identified conformers of ethyl peroxy radicals using vacuum ultraviolet photochemistry, providing important data for online detection of peroxy radicals and their isomers. The results show that the gauche conformer has a favorable Franck-Condon factor in ionization transitions.

A big leap forward in using iron catalysts for pharmaceuticals

University of Rochester researchers have developed a novel three-component cross-coupling reaction using iron catalysts, which could potentially bring iron to the front of the class. The reaction enables faster and less expensive synthesis of previously difficult-to-make drug-like compounds in a single step.

Fluke 87V Industrial Digital Multimeter

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

Shadow loss: Young adults cope with missing out during pandemic

A new study reveals that young adults experienced significant losses during the pandemic, including missed social events and inability to say goodbye in person. Researchers collected stories from college students who reflected on their earliest and most significant losses regarding COVID-19.

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.

A tiny molecule with a big impact

Researchers uncover nitric oxide's dual effects on pathogens: direct destruction and prevention of excessive immune response. This discovery could lead to new treatments for infections and inflammatory diseases.