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Science News Archive 2021


Page 34 of 510

Ubiquitous food additive alters human microbiota and intestinal environment

A recent study found that carboxymethylcellulose, a widely used food additive, alters the intestinal environment of healthy individuals by reducing beneficial bacteria and nutrients. The research suggests that long-term consumption of this additive may promote chronic inflammatory diseases, highlighting the need for further study.

Analysis reveals impact of poverty and family adversity on adolescent health

A UK study found that children exposed to persistent poverty and poor parental mental health are at increased risk of socioemotional behavioral problems, cognitive disability, drug experimentation, and obesity. The analysis also identified six trajectories of poverty and family adversity, highlighting the need for interventions address...

Apple iPhone 17 Pro

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

Detective work on the fuel cell

Scientists have developed a unique measurement technique to study oxygen exchange pathways on pristine SOFC cathode surfaces, revealing that different materials follow the same mechanism. This breakthrough enhances understanding of defects and optimizes material performance.

UC research: ‘Tweens’ increased media use during the 2020 pandemic summer

A recent study by the University of Cincinnati found that tweens spent more time using media during the 2020 pandemic summer, highlighting the need to reassess notions of 'too much' screen time. The research suggests that media use can have both positive and negative effects on children's lives, with some finding connection with peers ...

Male animals are subject to stronger evolutionary pressures than females

A study found that male animals have a greater genetic variance in reproductive success compared to females, which translates into purging deleterious mutations. This suggests that sexual selection on males bolsters adaptation and reduces the risk of extinction when facing challenging environmental conditions.

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.

Dental device for snoring may slow onset of Alzheimer’s disease

A dental device to reduce snoring improves cognitive function in individuals with mild cognitive impairment. The maximum breathing rate during uninterrupted periods of sleep can differentiate healthy individuals from those with Alzheimer's or mild cognitive impairment. Improved sleep may slow the onset of Alzheimer’s disease.

Popular blood thinners may lead to brain bleeding after head injury

A three-year study found that taking older blood thinners like warfarin and clopidogrel, as well as aspirin, significantly increases the risk of delayed intracranial hemorrhage. Researchers recommend follow-up CT scans for patients taking these medications after head trauma.

Fluke 87V Industrial Digital Multimeter

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

Reduced meat diet has many advantages

A recent study found that adopting a reduced meat diet can significantly improve human health, animal welfare, and the environment. The researchers compared different diets, including a Mediterranean diet with more fish and seafood, and a vegan diet, to a reference diet based on German Nutrition Society recommendations.

Joining forces to prevent cancer

Researchers discovered that under stress conditions, proteasome molecules assemble into structures that induce cell death, a process linked to apoptosis and potentially preventing cancer. The study highlights the importance of understanding the normal functioning of cells and their connections to cancer development.

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.

3D printing of blood plasma may speed up wound healing

Researchers at RCSI University of Medicine and Health Sciences have developed a new method to enhance wound healing using 3D printing of platelet-rich plasma. The technique showed promising results in improving vascularisation and reducing fibrosis, leading to faster and more successful wound healing.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Allergic conditions linked to lower COVID-19 infection risk

A large UK study found that individuals with atopic diseases like eczema or hay fever had a 23% lower risk of developing COVID-19. In contrast, people of Asian/Asian British ethnicity and those in crowded households faced a higher risk. The study suggests that some risk factors for severe disease may differ from those for infection.

Constraining quantum measurement

Physicists investigate the act of measuring a quantum particle, revealing that non-linear models can reconcile quantum behavior with classical measurement outcomes. The study sheds light on the elusive crossover between quantum physics and the everyday world.

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.

Artificial intelligence to advance energy technologies

A new artificial intelligence framework called TinNet combines machine-learning algorithms and theories to identify new catalysts for efficient energy production. By understanding how catalysts interact with different intermediates, researchers can design robust catalytic processes that improve daily life.

Shrinking qubits for quantum computing with atom-thin materials

Using 2D materials, researchers have built superconducting qubits that are significantly smaller than previous designs. The new capacitors store energy without interfering with qubit information storage. This breakthrough paves the way for smaller quantum computers and could lead to new applications of 2D materials.

Extroverted? You may have better financial outcomes

A recent study from the University of Georgia found three distinct combinations of personality traits associated with financial outcomes. The Resilient group, characterized by extroversion, openness, and agreeableness, was linked to successful financial decisions. In contrast, the Under Controlled group's high extroversion and neurotic...

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.

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.

Time crystal in a quantum computer

Scientists from Stanford University and Google Quantum AI have successfully created a time crystal, a new phase of matter that repeats in time without energy input. The achievement opens up opportunities to explore new regimes in condensed matter physics, providing insight into non-equilibrium quantum systems.

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.

Bringing 400-million-year-old fossilized armored worms to ‘virtual’ life

A team led by Sarah Jacquet from the University of Missouri created 3D virtual models of ancient worm armor plates, discovering two new species and gaining insights into convergent evolution. The study used micro-CT imaging to analyze the individual components of the armor, determining how they protected the worms until extinction.

WVU research promotes healthier poultry and environment

Researchers at West Virginia University have developed a wood boiler system that improves bird health and reduces carbon dioxide emissions by drying litter and creating dry heat. The system has the potential to replace propane heating systems in poultry farms, benefiting both animal welfare and the environment.

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.

Many Americans don’t see sports as promoting love of country

A study by Ohio State University researchers found that only half of Americans surveyed believe sports teach love of country, while men, heterosexuals, Christians and Republicans were more likely to agree. Surprisingly, some lower-status groups were also more likely to recognize these messages.

Echolocation builds prediction models of prey movement

Bats build prediction models of prey movement by analyzing echoes of their own vocalizations. This acoustic information facilitates navigation and foraging in total darkness. By integrating representations of prey echoes, bats can determine distance, size, shape, and density, as well as identify what they are tracking.

All-optical computing based on convolutional neural networks

A new strategy for ultrafast and energy-efficient all-optical computing is proposed based on convolutional neural networks. The approach uses cascaded silicon waveguides to control light amplitude and phase, achieving ultrafast computing times of several picoseconds with low energy consumption.

Major Swedish initiative in new materials for a sustainable future

The Wallenberg Initiative Material Science for Sustainability aims to create new, vital knowledge and expertise in functional materials. The programme will focus on advancing the limits of knowledge in materials science to promote sustainable technologies and reduce greenhouse gas emissions.

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.

Survey of gun policy experts finds wide disagreement remains

A RAND Corporation survey of 173 gun policy researchers found strikingly polarized views on the merits of various policies, with differing estimates of their effects on firearm homicides and suicides. The study highlights areas where experts agree and disagreements exist, providing a roadmap for future research to resolve uncertainties.

Correcting inherited gene alterations speeds up

Researchers at the University of Helsinki have developed a method to precisely and rapidly correct genetic alterations in cultured patient cells. The new technique combines two Nobel Prize-winning approaches to produce genetically corrected autologous pluripotent stem cells, paving the way for potential therapeutic applications.

Celestron NexStar 8SE Computerized Telescope

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

Complications in pregnancy and birth increase with COVID-19 infection

A study published in PLOS Medicine found that pregnant women with COVID-19 are more likely to experience complications during pregnancy and childbirth, including ICU admission, preeclampsia, and cesarean section. Vaccination may help protect these women, especially those at higher risk of severe COVID-19 infections.

Meta Quest 3 512GB

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

High-speed holography of cells spots physical beacons of disease

Researchers at Duke University developed a holographic system that can image and analyze tens of thousands of cells per minute to spot signs of disease. The technique distinguished between healthy samples and cancerous or pre-cancerous cells with nearly 100% accuracy, using just four basic cellular physical parameters.