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Science News Archive 2011


Page 44 of 311

Researchers identify diabetes link to cognitive impairment in older adults

Researchers identified a key mechanism behind diabetes-related cognitive impairment, finding that insulin resistance triggers inflammation leading to cortical atrophy and brain dysfunction. The study provides new insights into the disease's impact on the brain and highlights the importance of managing and preventing diabetes.

Survey identifies sea turtle 'hitchhikers'

A recent survey of Pacific sea turtles has identified 16 species of epibionts, including crabs and barnacles, that live on their shells. These organisms can cause drag and transmit disease, highlighting the importance of considering their impact on turtle health and ecology.

Apple iPhone 17 Pro

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

UCLA biologists slow the aging process in fruit flies

Researchers activated a gene called PGC-1, which increases mitochondrial activity, and found it significantly extends the lifespan of fruit flies' digestive tracts. The study's implications for human aging suggest targeting the intestine as a vital tissue type for healthy aging.

Fundamental discovery casts enzymes in new light

Researchers have made a fundamental discovery about enzymes, revealing that flexibility is an essential feature of enzyme function. This finding has significant implications for improving the efficiency of enzymatic processes and developing new treatments for diseases such as AIDS.

Galaxy DNA-analysis software is now available 'in the cloud'

The Galaxy platform is now available as a cloud computing resource, providing researchers with access to powerful computing power and vast data storage capacity. This development enables scientists to perform large-scale DNA analyses without investing in expensive computer infrastructure.

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.

Four Hebrew University professors named winners of EMET Prize

Four Hebrew University professors, Prof. Saharon Shelah, Gershon Ben-Shakhar, Berachyahu Lifshitz, and Eliav Shochetman, have been awarded the $1 million EMET Prize for their significant contributions to mathematics, psychology, law, and Jewish law. The prize recognizes their far-reaching influence and impact on society.

For new microscope images, less is more

Scientists have developed a microscope that utilizes compression sensing to gather molecular vibration information with increased resolution and reduced time. The new method has been applied to sum frequency generation microscopes, resulting in images with 16 times more pixel density than traditional scanning techniques.

Using biochar to boost soil moisture

Researchers at the USDA's Agricultural Research Service found that biochars produced from switchgrass and hardwoods increased soil moisture storage in sandy soils. The study also showed that biochars can extend the window of soil water availability for crops by 1-3 days.

US institute wraps up data collection in Russian Mars 520-day mission simulation

The 520-day Mars Mission simulated prolonged operational confinement on a six-member international crew, collecting over 4.5 million minutes of actiwatch data to evaluate the impact on sleep patterns and mental health. The study's findings will help scientists mitigate potential problems for future long-duration space missions.

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.

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.

Decrease in observed rate of TB at a time of economic recession

A study found a decrease in TB cases in the US between 2000 and 2009, particularly among recent immigrants and disadvantaged groups. The drop was attributed to economic recession and lower immigration rates, but the long-term impact on public health remains uncertain.

Tying molecules in knots

Researchers have successfully tied molecules into a complex pentafoil knot using self-assembly, expanding the understanding of material properties and potentially leading to new materials with improved properties. The knot is composed of just 160 atoms, approximately 16 nanometers in length.

Ancient DNA provides new insights into cave paintings of horses

A team of researchers used ancient DNA to analyze the color variations seen in Paleolithic cave paintings, finding that all phenotypes existed in pre-domestic horse populations. This study lends weight to the argument that artists were reflecting their natural environment.

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.

Paper uncovers power of Foldit gamers' strategies

Foldit players employed creative strategies to solve protein structure puzzles, codifying and sharing their approaches. The study reveals the flexible nature of gamer intelligence and its potential for solving complex scientific problems.

Monkey mothers found to be key to sons' reproductive success

A study found that northern muriqui monkey mothers play a key role in their sons' reproductive success, with no evidence of inbreeding. The research suggests that this egalitarian society may be the reason for the species' critical endangered status.

Suboxone is most effective in treating painkiller addiction

A large-scale study has shown that Suboxone is the most effective treatment for prescription opioid addiction, with 49% of participants benefiting from the medication. Despite this finding, relapse rates were high once the medication was discontinued, highlighting the need for continued research on long-term use.

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.

UMMS researchers identify epigenetic signatures of autism

Researchers mapped epigenetic changes in neurons from individuals with autism, finding hundreds of sites affected by histone methylation alterations. The study reveals considerable overlap between genetic and epigenetic risk maps for developmental brain disorders.

Fish follow the rules to school

Researchers at Uppsala University have discovered that small lake-dwelling fish follow simple yet effective rules when schooling together. By tracking individual fish and analyzing their interactions, the team identified key movements such as slowing down near others and turning to move towards neighbors.

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.

Attention! End of traffic jam!

Biophysicists studied the interplay of microtubules and motors that shorten filaments, revealing a critical concentration of motors necessary for proper cell division. The research model shows that a traffic jam of motor molecules significantly alters microtubule shortening behavior.

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.

Students will use futuristic technology to dive into the past

Students from three schools will use robotic submarines to map and monitor shipwrecks scuttled by Lord Cornwallis during the Battle of Yorktown. The project aims to conserve these historical sites and introduce students to advanced robotics and marine science.

Tying atomic threads in knots may produce material benefits

Researchers at the University of Edinburgh have created a new generation of materials by tying molecules into complex knots that can give them exceptional versatility and flexibility. By producing chemicals with specific numbers of well-defined knots, scientists may be able to design materials with greater control over their properties.

Your stroke risk profile may also help predict your risk of memory problems

A new study published in Neurology found that a person's stroke risk profile can also predict their risk of developing memory and thinking problems later in life. The researchers followed 23,752 people with an average age of 64 and found that those with higher stroke risk profiles were more likely to develop cognitive problems.

Fluke 87V Industrial Digital Multimeter

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

Opening the data bank -- scientists try to match new protein structures

Researchers at RIT and Dowling College are working on a three-year study to match the protein to its job in the human body. They will use a library of 400 protein motifs associated with known functions and compare proteins from the Research Collaboratory for Structural Biology Protein Data Bank with existing active-site templates.

Individual CO2 emissions decline in old age

Demographer Emilio Zagheni's profile shows that societies with a growing elderly population tend to produce lower CO2 emissions. As people age, their carbon dioxide emissions decrease due to reduced consumption of energy-intensive goods and increased healthcare spending.

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.

Compelling research will flow at fluid dynamics meeting

Researchers will present groundbreaking studies on fluid dynamics at the APS conference, covering topics from mosquito flight in rain to wine swirling mechanisms and mechanical heart valve design. The meeting aims to bring together experts from around the world to share their findings.

Drospirenone-containing contraceptives linked to higher risk of blood clots

A study found that drospirenone-containing oral birth control pills are associated with a significantly increased risk of venous thrombotic events, including deep vein thrombosis and pulmonary embolism. Risk was highest in the early months of use and was also influenced by factors such as age, high blood pressure, and obesity.

Pharmaceutical intellectual property laws need reform

The current system is broken due to complex rules and regulations leading to costly litigation between brand and generic companies. Reform options include a standard fixed period for market exclusivity or abolishing the Patented Medicines regulations, both aimed at reducing litigation and improving investment certainty.

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.

Connexins: Providing protection to cells destroyed in Type 1 diabetes

Researchers found that connexin 36 protects mouse pancreatic beta-cells against apoptosis triggered by immune molecules prevalent at the onset of Type 1 diabetes. Promoting connexin 36 expression and function could provide a therapeutic strategy to protect beta-cells from immune system attack.

Genomics of wood for biofuels production investigated

Researchers at Virginia Tech are using genomics to improve poplar tree quality as a biofuels feedstock. The goal is to increase bioenergy crop production and reduce dependence on food crops, offering new options for American farmers.

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.

Rates of breast reconstruction after mastectomy in Canada

A review article reveals historically low breast reconstruction rates in Canada, with only 7.7% of Ontario patients undergoing the procedure in 1994/95. Factors such as age, socioeconomic status, and geography influence the use of breast reconstruction, with women living in urban areas more likely to undergo the procedure.

UC Santa Barbara receives Grand Challenges Explorations funding

The University of California, Santa Barbara has received funding from the Bill & Melinda Gates Foundation to develop an innovative global health research project, ImmuNet. The project aims to create a low-cost local cellular architecture to track vaccine status and disseminate vaccination-related information in rural regions.

Forest Service part of team sequencing 1,000 fungal genomes

The US Forest Service's Northern Research Station is part of an international team sequencing 1,000 fungal genomes as part of the DOE's Community Sequencing Program. This project aims to create an encyclopedia of all fungi, which will help researchers understand their roles in ecosystems and develop new products.

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.