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Science News Archive November 2011


Page 22 of 28

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Researchers using new technology to study breath for toxins

A Virginia Tech research team has created a microelectromechanical system to detect trace amounts of toxins in breath on the parts per billion scale. The study aims to monitor patient exhaled breath to identify and quantify environmental exposure risks, providing valuable data for limiting harmful contaminant exposure.

Novel surface triples stem-cell growth in culture

Researchers at Whitehead Institute and MIT have developed a novel surface that enables tripling of human embryonic stem and induced pluripotent stem cell growth in culture. This breakthrough eliminates the need for mouse feeder cells, reducing contamination risks and increasing efficiency.

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.

Physical functioning declines more rapidly among the poor, study finds

A new national study by Ohio State University researchers reveals that wealthier Americans and those with private health insurance fare better in physical functioning. The study found that the disadvantage for the poor snowballs over time, leading to steeper declines in their health as they age.

Sowing the seeds of the obesity epidemic in babyhood

A large population-based study found that babies who rise two or more major percentiles in weight-for-length on growth charts before age 2 are more likely to be obese at age 5 and 10. The study suggests assessing weight gains during the first two years, especially in the first 6 months, to identify early risk factors for obesity.

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.

Fatherhood can help change a man's bad habits

A new 19-year study from Oregon State University reveals that fatherhood leads to significant decreases in crime, tobacco, and alcohol use in men. This finding suggests that becoming a father can be a transformative experience for men engaging in high-risk behavior.

Gates Foundation funds novel Third World sanitation proposal

A novel sewage digestion system designed by Duke University's Marc Deshusses has the potential to revolutionize sanitation in developing countries. The system captures methane gas produced during waste breakdown, using it to kill pathogens and destroy harmful bacteria.

One if by land, Two if by sea? Climate change 'escape routes'

A study published in Science reveals that animal and plant populations need to move at similar rates to keep up with climate change effects in the ocean and on land. The analysis shows that marine life would need to relocate fast, even in biodiversity hot spots like the coral triangle region.

A Trojan horse in the fight against HIV/AIDS

Dr. Andrés Finzi's 'Reverse Fusion' project aims to deliver toxic genes to HIV-infected cells to eliminate them. The approach targets the virus's unique key and lock, using modified envelope glycoproteins and receptors to deliver a Trojan horse that eradicates infected cells.