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Science News Archive 2021


Page 277 of 510

Cancer-promoting Ras protein exists in a pair within cells

The Ras protein, involved in cancer development, is found to exist in a pair at the cell membrane. This pairing enhances signal transmission for cell growth, making it a potential target for cancer treatment. Bioinformatic methods and experimental data validate the structure of the interface between the two proteins.

Aortic condition more deadly in women than in men

Women are more likely to experience acute aortic dissection with older age and different presenting symptoms, leading to delayed diagnosis and treatment. The study highlights the need for sex-directed strategies to improve outcomes in female patients.

Apple iPhone 17 Pro

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

A new dimension in the quest to understand dark matter

A new theoretical framework suggests that dark matter's properties can be explained by the existence of an extra dimension in space-time. The force between dark matter particles is described by a continuum, which could address puzzles seen in small galaxies.

Record-breaking temperatures more likely in populated tropics

New research suggests that record-breaking temperatures will occur more frequently in the tropics due to large and growing populations. The study found that normalized temperature data reveals greater warming and more extreme heat events in tropical regions.

App helps pregnant women to a healthy lifestyle

The HealthyMoms app has been shown to improve a pregnant woman's diet and physical activity, leading to healthier weight gain. Women with overweight or obesity who used the app gained an average of 1.7 kg less weight than those in the control group.

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.

Social media influencing grows more precarious in digital age

A new Cornell University study reveals that social media content creators face significant precarity in their pursuit of visibility and metrics success. The research highlights the challenges posed by algorithmic systems and platform instability, which can quickly render an influencer's career uncertain.

Nanomaterials with laser printing

Researchers develop a laser-driven method to synthesize nanoparticles, enabling efficient conversion of solar energy into electricity. The technology also promotes the production of green hydrogen by employing photoelectrodes that use sunlight directly.

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.

La Jolla Institute for Immunology launches new global cancer immunology resource

The La Jolla Institute for Immunology has launched the Cancer Epitope Database and Analysis Resource (CEDAR), a new global cancer immunology resource, thanks to $4.2 million in National Cancer Institute funding. Researchers can now easily search and contribute data on potential immune system targets on various types of cancer cells.

World's lakes losing oxygen rapidly as planet warms

Research published in Nature found that oxygen levels in temperate freshwater lakes declined 5.5% at the surface and 18.6% in deep waters since 1980. Climate change is driving this decline, which threatens aquatic biodiversity and drinking water quality.

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.

Conservatives more susceptible to believing falsehoods

A new national study conducted over six months shows conservatives are less able to distinguish political truths from falsehoods than liberals. This is mainly because of a glut of right-leaning misinformation in the American media and information environment.

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.

Growing evidence fruit may lower type 2 diabetes risk

Eating at least two serves of fruit daily has been found to lower the risk of developing type 2 diabetes by 36%. The study suggests that whole fruits, not juice, contribute to improved insulin sensitivity and reduced blood glucose levels. Higher consumption of fruits rich in phytochemicals and fibre may also play a role.

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.

Using the fungal electrical activity for computing

Researchers propose techniques to decode fungal electrical activity, enabling efficient information transmission and complex processing. Fungal networks can monitor large data flows, providing insights into ecosystem dynamics and promoting sustainable development.

Tiny implant cures diabetes in mice without triggering immune response

Researchers developed a nanofiber-integrated cell encapsulation device that protects insulin-secreting cells from the immune system, allowing them to secrete insulin and control blood sugar levels. The implant was successful in mice with diabetes for up to 200 days without suppressing the immune system.

Want to Talk About Prenups? Describe Them as Something Else

Researchers found that online commenters used metaphors to describe prenups as 'insurance' or 'safety features', reframe negative perceptions. Most commenters viewed prenups positively, arguing they prepare for the worst while maintaining a long-term commitment.

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.

A speedy trial: What it takes to be the fastest land predator

The study reveals that cheetahs use two types of flight during galloping, which enables them to accelerate to high speeds. The team's simple model and measurements with real-world data confirm the findings, suggesting a key factor in cheetahs' exceptional speed.

New articles for Geosphere posted online in May

Researchers analyzed detrital-zircon data from sandstones in the Ouachita orogen, revealing a mix of sediment dispersal pathways from multiple provenances. In Scotland, the Moine thrust zone hosted highly alkaline syenite intrusions with high-temperature contact metamorphic aureoles.

New study explores link between economic shock and physical inactivity

A new study published in the American Journal of Lifestyle Medicine finds critical links between job loss and physical inactivity among young adults during the U.S. Great Recession. The study, led by Dickinson College economist Shamma Alam, found that job losses reduced the likelihood of physical exercise by 6.3 percentage points.

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.

Faith-community nurses promote physical activity among congregants

A West Virginia University study shows that faith communities have the potential to promote physical wellbeing along with emotional or spiritual health. A 12-week program led by faith-community nurses encouraged better time management, provided participants with more energy, and improved comfort with exercise on a regular basis.

Male piglets less resilient to stress when moms get sick during pregnancy

A study from the University of Illinois found that male piglets are more susceptible to neurodevelopmental and neurological anomalies when their mothers are infected with PRRSV during pregnancy. The researchers also discovered changes in gene expression associated with autism spectrum disorder, schizophrenia spectrum disorder, and neur...

European Virtual Institute to study the neural basis of emotion

The European Virtual Institute will study the neural basis of emotion using a Marie Sklodowska-Curie Innovative Training Network, focusing on the role of the cerebellum in controlling emotions. The network aims to develop new therapeutic strategies for emotional disorders by combining fundamental and clinical research.

Meta Quest 3 512GB

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

Luring bacteria into a trap

Researchers at ETH Zurich developed a vaccine that guides bacteria's evolution to make them a weaker pathogen, rather than trying to kill them. The combination vaccine was shown to be more effective in preventing Salmonella infections than existing vaccines.

New project aims to digitize astrophysical literature

A new project, 'The Reading Time Machine,' aims to digitize predigital scientific literature in astronomy, extracting text and figures to enhance searchable capabilities. Researchers will use optical character recognition and object detection methods to parse tables, figure captions, and science-relevant information.

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.

Quantum Hall effect and the third dimension

Scientists at Max Planck Institute show that electron system of ZrTe5 remains three-dimensional even in strong magnetic fields, linking quasi-quantization to quantum-Hall physics. This finding promises a unified explanation for puzzling plateaus in Hall measurements in many three-dimensional materials.

Salps fertilize the Southern Ocean more effectively than krill

Researchers found that salp fecal pellets release more bioavailable iron than krill pellets, allowing phytoplankton to take up five times more iron. This could lead to increased CO2 fixation and a shift in the Southern Ocean's food web as climate change affects krill dominance.

Researchers identify how to prevent cancer metastases

Researchers have discovered that natural killer cells and interferon gamma play a crucial role in preventing cancer metastases. Targeted therapies, such as immunotherapy and interferon gamma therapy, show promise in maintaining dormant cancer cells in a state of hibernation.

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.

R&D exploration or exploitation? How firms respond to import competition

A study published in the Strategic Management Journal finds that firms in response to increased import penetration tend to rely more on familiar knowledge in developing innovations, rather than exploring new sources of knowledge. This shift is temporarily reversed over time, positively associated with an increased likelihood of survival.

Synthetic SPECIES developed for use as a confinable gene drive

Researchers create synthetic fly species with a genetic barrier to limit gene drive spread, offering a safe and reversible method of controlling populations. The technology has potential applications in disease elimination, crop protection, and pest management.

Fossil secret may shed light on the diversity of Earth's first animals

Scientists have found that exceptionally well-preserved fossils in the Burgess Shale, Canada, could have been moved by mudflows without damage, throwing doubt on the idea that they all lived together. This discovery suggests that early marine animal communities may be more complex and diverse than previously thought.

CMU Team develops machine learning platform that mines nature for new drugs

Researchers at Carnegie Mellon University have developed a machine learning platform that can identify natural product drugs for treating various ailments. The platform, called NRPminer, uses genomic and metabolomics data to detect promising natural products, including four novel compounds with potential antimalarial properties.

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.

Blood clot-busting nanocapsules could reduce existing treatment's side effects

Researchers at Imperial College London have developed nanocapsules that target specific blood clots, potentially reducing the risk of life-threatening bleeding and increasing the effectiveness of a clot-dissolving drug. The new nanocapsules are designed to attach to activated platelets and release tPA, which dissolves clots.

Coloring tumors reveals their bad influence

A team of researchers developed a laboratory system to dissect the pre-cancerous steps that remained undetected until present. They found that mutant cells create a hostile environment for neighboring non-mutant cells and deregulate the normal stem cell niche in mouse intestinal tissue.

Regulation of the genome affects its 3D structure

Researchers found that DNA methylation increases stiffness of DNA, affecting its 3D structure and gene activation. This discovery reveals a cryptic mechanism connecting epigenetic footprinting and gene programming.

Study exposes increasing flood risk in the UK

A recent study by Xi'an Jiaotong-Liverpool University researchers found that floods in most UK areas no longer follow historical patterns due to climate change and human intervention. This challenges traditional flood frequency analysis methods, which may lead to underestimation of flood peaks and catastrophic consequences.

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.