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Science News Archive 2024


Page 39 of 484

Hidden fat predicts Alzheimer’s 20 years ahead of symptoms

Researchers have discovered a specific type of body fat linked to abnormal proteins in the brain that are hallmarks of Alzheimer's disease. Higher levels of visceral fat were found to be associated with increased amyloid accumulation and higher PET levels of hallmark pathologic proteins.

A cause of hyperinflammatory response in lethal COVID-19 identified

A team of researchers discovered a novel cause of cytokine storm in fatal COVID-19 cases, linking the renin-angiotensin-aldosterone system (RAAS) to the hyperinflammatory response. This finding holds potential for identifying patients at risk and developing targeted interventions.

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.

Backyard chickens are here to stay

Australian backyard chicken owners view their chooks as a blend of pet and livestock, prioritizing utility and trustworthiness. However, participants were unlikely to seek veterinary care due to cost concerns.

Apple iPhone 17 Pro

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

All people are unique – also in the gut

A new study found that changes in the gut environment influence the composition and activity of gut bacteria. The study involved swallowing a capsule with pH sensors through breakfast, revealing unique gut environments and travel times among individuals. This may help explain individual differences in digestion, nutrient uptake, and bo...

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.

Illinois researchers examine teens’ use of generative AI, safety concerns

Researchers found that teenagers use generative artificial intelligence for emotional support, social interactions, and academic purposes. However, they also reported significant misconceptions about generative AI among parents and children. Parents had little to no understanding of their children's use of GAI, and they viewed AI as a ...

Accelerating climate modeling with generative AI

A new AI model, Spherical DYffusion, can predict climate patterns over 100 years in just 25 hours, making it 25 times faster than the state of the art. The model uses generative AI and physics data to achieve this breakthrough, reducing the need for supercomputers.

Scientists establish novel 2D "Health State Map" to define metabolic health

Researchers developed a novel 2D framework, the Health State Map (HSM), to assess metabolic health and nutritional capacity. The study found that HSM provided additional information on postprandial homeostatic resilience, which was positively associated with liver function, insulin sensitivity, and physical activity.

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.

Some hawks pack a punch: Secrets behind nest defense revealed

Researchers found that urban Red-shouldered Hawks exhibit stronger aggressive defense behaviors when nesting close to the ground. The study highlights the importance of understanding individual personality traits and environmental factors in determining nest defense behavior.

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.

New 3D printing approach means better biomedical, energy, robotics devices

Researchers at Oregon State University have developed a new 3D printing technique that allows for the creation of shape-changing materials with muscle-like properties. These materials can crawl, fold, and snap directly after printing, enabling their use in implantable medical devices, soft robotics, and energy storage applications.

Exploring the ecological role of deep-sea viruses

Research reveals deep-sea viruses play a crucial role in facilitating energy cycling and mediating gene evolution in marine ecosystems. They can promote the release of carbon or nutrients into the ocean through infection, increasing survivability of hosts via horizontal gene transfer and lysogenic infection.

Consumers face barriers to embracing ethical fashion, psychologist warns

A leading psychologist argues that eco-friendly fashion must become more accessible to all consumers. Dr Mair's book highlights the importance of psychology in promoting sustainable practices in the fashion industry. She advocates for educational advertising campaigns and improved accessibility to encourage responsible purchasing habits.

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.

Which AI model best deciphers medical information?

Most medical large language models offer little better than guesses when it comes to interpreting medical information. ChatGPT-4 achieved the best performance, but its accuracy remained insufficient for some medical code questions. The study highlights the need for broader clinical language in models and caution in their widespread use.

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.

Warming temperatures may shrink wetland carbon sinks

A global study using teabags to measure carbon release from soil in wetlands found that warmer temperatures led to increased decay of organic matter, reducing carbon preservation. Freshwater and tidal marshes showed the highest potential for carbon storage.

Giving coral reefs a fighting chance for survival

Recent research published in Nature Climate Change highlights the importance of coral reef restoration in responding to smaller-scale disturbances. Leading experts emphasize the need for tailored approaches, incorporating resilience-oriented frameworks to ensure long-term success.

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.

New laser technique achieves atomic-scale precision on diamond surfaces

Researchers at Macquarie University have developed a new laser technique that enables precise control over diamond surfaces at the atomic scale. The method allows for the controlled removal of as little as 1 per cent of an atomic layer, resulting in enhanced conductivity and promising implications for quantum technologies.

Deadly diets driving digestive diseases

Researchers urge people to improve their eating habits to reduce the risk of bowel cancer, citing evidence that high-fibre foods promote healthy gut bacteria. Studies found a link between poor diet choices and digestive cancers, highlighting the importance of diets rich in whole grains, vegetables, fruits, and legumes.

Meta Quest 3 512GB

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

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.

When devices can read human emotions without a camera

Researchers from Tokyo Metropolitan University have used skin conductance measurements to tell emotions apart. The team's analysis showed that changes in skin conductance over time can be used to discriminate emotional states, with potential applications for emotionally aware devices.

Speaking up and feeling empowered?

A new study by Shereen Fatimah and colleagues suggests that employees who speak up with improvement-oriented ideas (promotive voice) boost their sense of power, while those who focus on problems (prohibitive voice) deflate it. The research highlights the importance of framing issues in a positive tone to exert influence.

Celestron NexStar 8SE Computerized Telescope

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

Switching planes for trains to decarbonise the great British getaway

A new study suggests that a significant proportion of UK holiday flights could be replaced with rail travel, resulting in substantial reductions in carbon emissions. The researchers found that most British people do not travel far for their holidays, making rail a viable alternative for short-haul flights.

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.

Curbing plastics pollution could help reduce global burden of breast cancer

A new study suggests that addressing plastic pollution could play a critical role in lowering breast cancer rates. Researchers identified nearly half of the chemicals linked to breast cancer risk as being used in plastics, including 175 potential carcinogens that should be prioritized for regulatory action.

Coastal revelations from space: New satellite tech maps sandy beaches

Researchers developed a groundbreaking method to map sandy beach intertidal zones using satellite data, providing accurate measurements of coastlines shaped by tides and waves. The technique, validated along the Texas coastline, represents a significant step forward in monitoring coastal environments and assessing flood risk.

Von Kaven Award goes to mathematician Thomas Nikolaus

Thomas Nikolaus has received the €10,000 von Kaven Award for his groundbreaking work on homotopy theory and K-theory. His research has revolutionized the theory of topological cyclic homology and made significant advances in quadratic forms over general rings.

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.