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Science News Archive 2021


Page 171 of 510

New study a step forward for children’s footwear

A new study has established recognized terms, definitions, design characteristics, and prescription criteria for off-the-shelf stability footwear. This standardized approach aims to improve the effectiveness of therapeutic footwear in treating children with various mobility issues.

Apple iPhone 17 Pro

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

Mechanism behind compulsive alcohol use revealed

A study published in Science Advances reveals a previously unknown mechanism behind compulsive alcohol use, which may be targeted by medication. A small group of nerve cells in the central amygdala promote alcohol use despite negative consequences.

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.

US kidney transplant survival rates continue to improve

Long-term kidney transplant survival rates in the US have increased significantly over the last three decades, with five-year survival rates for deceased and living donors rising from 66.2% and 79.5%, respectively, in 1996-1999 to 78.2% and 88.1% in 2012-2015.

Lonely flies, like many humans, eat more and sleep less

A study found that isolated fruit flies exhibit changes in gene expression, neural activity, and behavior, including increased eating and reduced sleep. The research suggests that P2 neurons play a crucial role in the perception of social isolation and its effects on behavior.

Study reveals patient age not so important in determining colorectal cancer growth

Researchers compared tumor biology in patients with early-onset and average-onset colorectal cancer, finding no significant differences in terms of tumor location, symptoms, or genetic makeup. The study suggests that early-onset colorectal cancer is not biologically distinct from average-onset cases, and more aggressive treatment may n...

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.

Pancreatic cancer trials are no more diverse now than over a decade ago

Black, Hispanic, Indigenous and Asian Americans remain underrepresented in pancreatic cancer clinical trials, despite federal mandates. The lack of diversity hurts patients and science alike, with racial and ethnic minorities accounting for a disproportionate burden of pancreatic cancer cases.

How special are we?

A recent study sheds light on the formation of planetary systems like our own, suggesting that nearby supernovas may have contaminated gas with radioactive material. The researchers found a 59% chance that the enrichment process in Ophiuchus star-forming region is due to supernovas.

Brain organoids develop optic cups that respond to light

Researchers generated brain organoids containing functional optic cups from human induced pluripotent stem cells (iPSCs), demonstrating intrinsic self-patterning ability. The optic cups exhibited light sensitivity, diverse retinal cell types, and connectivity to brain regions.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

A new approach to curing HIV

A new strategy for curing HIV targets latent viruses by blocking and excising the virus, offering hope for patients to be taken off daily treatments. The HOPE Collaboratory's approach uses genome editing technology to destroy latent HIV.

New exotic magnetic quasiparticle "skyrmion bundle" joins topological zoo

Researchers discovered a new family member of topological magnetic structures, the skyrmion bundle, which exhibits arbitrary topological charges. The study used Lorentz transmission electron microscopy and found collective motions and topological sign dependence of Hall sideway shifts driven by nanosecond pulsed currents.

Europe-wide political divide emerging between cities and countryside – study

A new study reveals a deepening geographical fracture in European societies, with rural areas showing lower trust in politics but higher voting rates. The research suggests that mainstream politicians must address feelings of disconnection from politics and provide economic opportunities to re-engage residents of small towns and villages.

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.

US health care spending by race, ethnicity

Researchers estimated health care spending by race and ethnicity in the US from 2002 to 2016, finding that Hispanic patients faced the highest costs. The study suggests racial and ethnic disparities in healthcare spending are significant, affecting patient outcomes and access to care.

Ageing cuttlefish can remember the details of last week’s dinner

Researchers found that ageing cuttlefish can remember the details of last week's dinner, unlike humans who gradually lose episodic memory with age. The 'vertical lobe' brain region associated with learning and memory in cuttlefish does not deteriorate until the last two to three days of life.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Contact tracing is key to suppressing COVID-19

A new University of Georgia study models the impact of three interventions - social distancing, contact tracing, and case isolation - on containing COVID-19. The researchers found that robust contact tracing was essential in suppressing outbreaks, with a significant increase in cases when efforts were less efficient.

Dieting: Villain or scapegoat?

Research suggests that dieting is a consequence of an unhealthy food environment, rather than the cause of weight loss problems. Experts recommend refocusing concerns on changing the food environment to curb dieting and related issues.

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.

Ice formation on surfaces enhanced via a non-classical nucleation process

Researchers at Hong Kong University of Science and Technology have discovered a non-classical nucleation process that can greatly facilitate ice formation on foreign surfaces. This finding has the potential to decelerate glacier melting and alleviate environmental concerns by predicting and controlling crystallization processes.

Meta Quest 3 512GB

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

Microbiology: Bacterial evolution in ancient sub-seafloor sediments

A new study reveals that bacterial evolution can occur in ancient sub-seafloor sediments with low nutrient availability. The genomes of bacteria isolated from these sediments show a high proportion of pseudogenes and reduced genetic recombination, leading to the accumulation of deleterious mutations.

On the road to faster and more efficient data storage

Researchers have discovered a way to induce magnetic waves in antiferromagnets using ultrafast laser pulses, potentially leading to faster and more efficient data storage. This technology could endow materials with new functionalities for energy-efficient and ultrafast data storage applications.

Study: Pregnant women do well with COVID vaccine

A survey of over 17,000 pregnant and lactating individuals who received the COVID-19 vaccine found that they did not experience symptoms more severe than non-pregnant counterparts. The study's lead author notes that pregnant people do well with the vaccine and should be included in clinical trials for other relevant vaccines.

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.

Indigenous territories fight climate change

Researchers found that Indigenous Territories are as effective as Protected Areas in preserving forest's carbon stocks, with some areas showing up to 10% more carbon storage. The study suggests that securing land titles and formalizing forest co-governance can bring multiple benefits for both indigenous people and national governments.

How COVID-19 death rates impacted 2020 presidential voting patterns

A Northwestern University study found that COVID-19 death rates had a significant impact on the 2020 presidential election. Counties with high mortality rates saw smaller increases in Democratic voters, while those with lower mortality rates saw larger increases in support for Joe Biden.

Should cancer patients participate in tumour conferences?

A new study investigated the benefits of patient participation in tumour conferences for complex cancer cases. Most respondents perceived their participation as a positive experience, finding it informative and recommended to others. However, some patients reported feelings of fear and uncertainty after participating in the conference.

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.

Free electron laser insight: laser-beam interaction in a dipole magnet

Researchers have directly measured the interaction between an ultraviolet laser and a relativistic electron beam in a dipole magnet. The study shows that energy modulation of the electron beam can be effectively tailored, leading to precise bends in the pathway and improved FEL pulse properties.

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.

Leaping squirrels could help scientists develop more agile robots

Researchers at UC Berkeley studied how squirrels decide whether to take a leap and assess their biomechanical abilities to know whether they can land safely. They found that squirrels learn to adapt their leaping strategy in just a few attempts, depending on the branch's compliance and gap distance.

Texas A&M engineers grow 3D bioprinted blood vessel

Researchers designed a 3D-bioprinted model of a blood vessel that mimics its state of health and disease, enabling more accurate cardiovascular drug advancements. The team's novel nanoengineered bioink offers high printability and ability to protect encapsulated cells.

New tool to quantify risk of cognitive dysfunction in drug treatment programs

Researchers have developed a simple assessment tool to evaluate patients' risk of cognitive dysfunction in drug treatment programs. The tool combines cognitive measures with patient demographics and health history to produce an overall risk score, helping staff identify accommodations needed for effective treatment.

Ultra-complex structure of carbon disulfide proved under high pressure

A study by researchers from Hefei Institutes of Physical Science reveals that non-molecular carbon disulfide exhibits a mixture of 3 and 4-fold coordinated carbon atoms, contradicting the long-held Bridgman's polymer model. This finding enhances understanding of bonding behaviors in group IV and VI AB2 compounds.

Vitamin D may protect against young-onset colorectal cancer

A study found that total vitamin D intake of 300 IU per day or more was associated with a 50% lower risk of developing young-onset colorectal cancer. Higher dietary vitamin D intake was linked to a reduced risk of colon polyps detected before age 50.

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.

Nanomotors for glucose-powered catalytic motion

A research team at POSTECH has developed a biocompatible nanomotor that mimics life's autonomous motility using glucose as fuel. The nanomotors exhibit directional propulsion, overcoming Brownian motion, and show potential for intracellular targeted drug delivery and precise cell manipulation.

New way of analyzing tree rings confirms unprecedented central Asia warming

Researchers reconstructed Mongolia's temperature history using a new tree ring analysis method, confirming record-breaking summer warmth over the past eight centuries. The study supports the delta blue intensity method and enhances climate projections, highlighting the urgent need to address Central Asia's rapid warming.

Light can trigger key signaling pathway for embryonic development, cancer

Scientists at the University of Illinois have developed a method to regulate the Wnt signaling pathway using blue light, allowing them to study its functions in embryonic development and cancer. This approach enables precise control over the pathway's activity, potentially leading to new treatments for tissue repair and cancer research.

Fluke 87V Industrial Digital Multimeter

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

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.