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Science News Archive 2023


Page 309 of 444

Immediate carbon cuts, common marine heatwave terminology urged

Oceanographers warn of limitations in carbon dioxide removal, emphasizing the need for rapid emission cuts to limit global warming. Clear definitions of marine heatwaves are also crucial for coastal communities to adapt and resource managers to prioritize mitigation strategies.

Study links “stuck” stem cells to hair turning gray

Researchers found that melanocyte stem cells, responsible for hair color, lose their ability to mature and maintain hair color as people age due to getting stuck in the skin. The study showed that these 'stuck' cells cease regenerative behavior when they're no longer exposed to WNT signaling, leading to graying and loss of hair color.

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.

Nature publication on loops, flags and tension in DNA

Researchers have visualized how DNA loops are formed through the interaction of cohesin, CTCF proteins, and DNA tension. The study reveals that DNA tension plays a crucial role in regulating the positioning of loops along the genome.

Serine racemase upregulation improves learning and synaptic function

Researchers found that enhancing NMDAR function via increased serine racemase expression improved attention and cognitive flexibility in middle-aged rats. Upregulating serine racemase in the medial prefrontal cortex also increased glutamatergic synaptic transmission, including NMDAR activity.

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.

X-ray analysis sheds new light on prehistoric predator’s last meal

Researchers at ANU and AMRI used micro-CT scans to study a fossilized plesiosaur's stomach contents, finding 17 previously undiscovered fish vertebrae. This study provides insights into the evolutionary history of extinct organisms and helps predict how modern marine life may respond to climate change.

Eco-computing

A study at Kyoto University has demonstrated the computational power of ecological networks, providing a new direction for rapidly developing AI technologies. The researchers developed two types of ecological reservoir computing that efficiently process information and can be utilized as a computational resource.

Agricultural waste, converted into material that cleans air

Scientists at the University of Córdoba develop biodegradable materials from agricultural waste to clean air. The new material, with a three-dimensional structure, increases photocatalytic particles' exposure to light, resulting in enhanced air purification.

Tribal water rights underutilized in U.S. West

A new study reveals that Indigenous groups in the western US are struggling to turn their legal right to water into actual water use, despite having settled their water-rights claims. The findings show that tribes are likely using only a fraction of their entitled water rights, resulting in significant revenue losses.

Apple iPhone 17 Pro

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

Applying AI to crack the problem of safer, better petroleum processing

Artificial intelligence is being used to improve the fluidic catalytic cracking process, a key step in making heavy crude oil into gasoline and other products. The method uses neural networks to analyze large amounts of data and identify patterns that can signal potential issues or opportunities, leading to better safety, efficiency, a...

Wonder drug-capsule may one day replace insulin injection for diabetics

Researchers at RMIT University have designed a new oral capsule that can deliver insulin and other protein drugs in a pain-free manner. The technology has shown promising results in pre-clinical studies, with good absorption rates for slow-acting insulin and potential for dosing over specific time periods.

Novel nanocages for delivery of small interfering RNAs

Researchers developed molecular nanocages for selective siRNA delivery, showing promise in targeting cancer cells. The nanocage composition determines siRNA delivery efficiency, making it possible to tailor the system for specific cell types.

Celestron NexStar 8SE Computerized Telescope

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

Trinity geneticists develop novel gene therapy for glaucoma

A novel gene therapy approach decreases intraocular pressure in pre-clinical models of glaucoma. The treatment uses a viral vector to deliver instructions to cells, producing an enzyme that helps reduce fluid accumulation and pressure. This breakthrough holds promise for patients with glaucoma.

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.

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.

How does a millipede get its legs?

New research reveals that millipede segments contain tiny bundles of legs, which appear as transparent protrusions before molting. This discovery could help understand how not only millipedes but also other arthropods grow and develop.

New cell-killing toxin discovered in an environmental pathogen

Researchers have discovered the molecular structure of a new toxin class, Ssp, capable of entering and killing human cells. The discovery offers insights into developing targeted inhibitors to combat infections caused by Serratia marcescens, a pathogen with high antibiotic resistance.

As pandemic prison populations fell, proportion of Black prisoners rose

The US prison population declined by 17% between March 2020 and July 2021, but the percentage of incarcerated Black people increased by almost a full percentage point at the height of the pandemic. This spike in proportion was temporarily reversed as courts reopened and new admissions slowed.

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.

Time-varying orbital angular momentum generated by a metasurface

Researchers from HKUST and CityU developed a metasurface to generate time-varying OAM beams with a time-dependent phase profile. This allows for a higher-order twist in the envelope wavefront structure, increasing capacity for applications such as dynamic particle trapping and information encryption.

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.

Does weight loss surgery harm adolescents’ bones?

A study found that sleeve gastrectomy decreases bone mineral density and strength in adolescents and young adults. Participants who underwent weight loss surgery lost significant amounts of weight and experienced reductions in abdominal fat tissue and muscle mass.

Surface steers signals for next-gen networks

Researchers at Princeton University developed a new device called mmWall that can steer millimeter-wave (mmWave) signals to reach all corners of a large room. The device uses an accordion-like array of panels to reflect and refract radio waves, allowing for efficient beam steering and alignment with transmitters and receivers.

Meta Quest 3 512GB

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

Study seeks to define quantum compression

Researchers identify potential application of quantum compression in edge computing, which could save storage space and network bandwidth. Quantum compression, a new concept, is being explored as an enabling tool for edge applications, with classical techniques compared to quantum approaches.

Organic beekeeping rivals conventional methods for bee health, productivity

A study by Penn State researchers found that organic beekeeping management is sustainable and supports high honey-bee survival and honey production, rivaling conventional methods. Organic and conventional management systems both increased winter survival by more than 180% compared to chemical-free management.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

How opioid drugs get into our cells

Researchers at UNIGE discovered that natural opioids cannot enter cells, whereas therapeutic opioids can, leading to differences in physiological responses. The study's findings could help develop safer medications with improved efficacy and reduced side effects.

Nebraska-led study first to define anxiety spiraling from national election

A new study led by University of Nebraska-Lincoln researcher Kevin Smith explores the impact of polarized politics on mental and physical health. The research found that Americans' political anxiety increased before a major election, but decreased after, with specific groups experiencing lower levels of anxiety.

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.

New viruses related to both giant viruses and herpesviruses

A new group of DNA viruses, mirusviruses, has been discovered in marine plankton, linking them to both giant viruses and herpesviruses. The discovery reveals that the ancestors of herpes viruses once infected single-cell organisms, while the majority of mirusvirus genes share similarities with those of giant viruses.

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.

Researchers cultivate microalgae for biofuel production

The study analyzed the growth and productivity of Botryococcus terribilis under different cultivation systems. Stress increased the production of lipids and hydrocarbons by 49% and 29%, respectively, while proteins decreased. The microalgae's metabolites have potential applications in biofuel synthesis, cosmetics, and food.

NIH trial evaluating mpox vaccine in adolescents

The NIH is conducting a clinical trial to evaluate the JYNNEOS mpox vaccine's safety and immune response in adolescents aged 12-17. The trial, launched at George Washington University, aims to determine if the vaccine can protect teens from this painful and sometimes deadly disease.

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.