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Science News for August 25, 2010


Spouses do not grow more alike, study finds

Researchers found that spouses tend to pick each other based on shared personality traits rather than growing alike over time. Aggression is an exception to this pattern, where spouses may become more aggressive together due to their interactions.

SourceMichigan State University·JournalPersonality and Individual Differences·DateAug 25, 2010

A novel method for collecting dolphin DNA

Researchers at Georgetown University and the National Aquarium successfully extracted DNA from dolphin blow, providing an alternative to biopsies. The new method involves collecting exhalations from blowholes, eliminating harm to young animals and requiring less skill than traditional dart biopsying.

SourcePLOS·JournalPLOS ONE·DateAug 25, 2010
Apple iPhone 17 Pro

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

Wild porcupines under threat due to illegal hunting

Research from the University of East Anglia has shown that commercial farming of porcupines is driving hunting and contributing to a devastating decline of wild populations. The study found that half of farmers interviewed were unregistered, with many using wild animals as founder stock or capturing them for sale.

SourceUniversity of East Anglia·JournalBiological Conservation·DateAug 25, 2010

Growing drought-tolerant crops inching forward

Researchers at Medical College of Wisconsin and University of California, Riverside create synthetic chemical mimicking abscisic acid to improve crop resistance to drought. The discovery paves the way for developing new molecules that activate or turn on receptors.

SourceMedical College of Wisconsin·JournalNature Structural & Molecular Biology·DateAug 25, 2010
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.

Why fish don't freeze in the Arctic Ocean

Researchers from Ruhr-University Bochum discovered a new mechanism of how Antarctic fish blood prevents freezing at temperatures as low as -1.8°C. The antifreeze glycoproteins work by perturbing the aqueous solvent over long distances, rather than forming a single molecular binding.

SourceRuhr-University Bochum·JournalJournal of the American Chemical Society·DateAug 25, 2010

Vitamin D may treat and prevent allergic reaction to mold in cystic fibrosis patients

Researchers found that vitamin D can reduce the production of a protein driving an allergic response in cystic fibrosis patients and increase production of proteins promoting tolerance. The findings support a potential clinical trial to prevent or treat Allergic Bronchopulmonary Aspergillosis (ABPA) in these patients.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalJournal of Clinical Investigation·DateAug 25, 2010

Sunlight spawns many binary and 'divorced' binary asteroids

A new study shows that sunlight drives asteroids to split in two and move far apart, forming binary and divorced binaries. The research suggests that many of these binaries likely originated from asteroid fission, with smaller asteroids separating at low velocities.

SourceUniversity of California - Berkeley·JournalNature·DateAug 25, 2010
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.

Where the fat's at

A team of UC San Diego researchers has created a novel map of lipid locations in a single cell, providing insights into how lipids influence disease processes. The study identified over 220 individual molecular lipid species and found that numerous lipids change in abundance once a macrophage becomes active.

SourceUniversity of California - San Diego·JournalJournal of Lipid Research·DateAug 25, 2010

New test allows individualized profiles of cigarette smoking

A new test allows for more accurate estimation of smokers' mouth-level exposure to cigarette smoke, which may aid in developing custom-tailored quitting strategies. The method uses a surrogate compound found in tobacco filters to gauge exposure to the thousands of chemicals present in cigarette smoke.

SourceAmerican Chemical Society·DateAug 25, 2010

Octopus mimics flatfish and flaunts it

Researchers analyzed DNA sequences to understand how the Thaumoctopus mimicus evolved its ability to impersonate flatfish, displaying high-contrast color patterns. The study found that this trait is an extremely risky defense strategy, but one that allows the octopus to survive and reproduce more successfully in its habitat.

SourceCalifornia Academy of Sciences·JournalBiological Journal of the Linnean Society·DateAug 25, 2010
Fluke 87V Industrial Digital Multimeter

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

JCI table of contents: Aug. 25, 2010

Two independent research groups demonstrate that induced pluripotent stem cells can be used to model diseases of the liver and generate functional hepatocytes with proliferative capabilities. These findings expand our understanding of iPS cell technology's potential for cell replacement therapy and modeling human disease.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateAug 25, 2010

Scientists develop the first atomic view of key genetic processes

Researchers at Penn State University have created the first image of a protein interacting with DNA packed tightly into space-saving bundles. The discovery is expected to aid future investigations into diseases such as cancer and provide new insights into how cells regulate gene expression.

SourcePenn State·JournalNature·DateAug 25, 2010

Hyperspectral imaging speeds detection of Campylobacter

A new hyperspectral imaging technique allows for rapid detection of Campylobacter in food samples, reducing the time needed for isolation and identification from days to just 24 hours.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalSensing and Instrumentation for Food Quality and Safety·DateAug 25, 2010

Scientists discover how chemical repellants trip up insects

Researchers at Johns Hopkins Medicine found that mosquitoes and other insects use taste receptors to detect DEET and smell citronellal, leading to aversion responses. The study identified three essential taste receptors for DEET detection and two distinct types of cell surface channels required for avoiding citronellal vapor.

SourceJohns Hopkins Medicine·JournalCurrent Biology·DateAug 25, 2010
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.

ARRA funds bolster broadband access and improve connectivity among institutions

The NSF has awarded $20 million to 17 institutions across the US to improve inter- and intra-campus cyber connectivity, with a focus on broadening participation in STEM research and education. The awards will support the development of high-speed networks, enhance collaboration among researchers, and foster economic development in states.

SourceU.S. National Science Foundation·DateAug 25, 2010

Waiting for the right moment

Pathogens such as Neisseria gonorrhoeae use a delayed entry strategy to survive in the human body, strengthening cellular skeletons and anchoring to cell surfaces. This new understanding may have exciting implications for preventing infection with various bacterial agents.

SourceMax-Planck-Gesellschaft·JournalPLOS Biology·DateAug 25, 2010

Major moral decisions use general-purpose brain circuits to manage uncertainty

Researchers at Harvard University found that humans use the same brain circuits for complex moral decisions as those used in mundane choices. The ventromedial prefrontal cortex tracks expected moral value, integrating information on number of lives saved and probability of success. This discovery advances our understanding of how peopl...

SourceHarvard University·JournalNeuron·DateAug 25, 2010

Cement, the glue that holds oyster families together

Researchers at Purdue University and the University of South Carolina have discovered a unique adhesive material in oysters that differs from other marine organisms. The cement, composed largely of chalky calcium carbonate, plays a crucial role in forming massive reef complexes.

SourceU.S. National Science Foundation·JournalJournal of the American Chemical Society·DateAug 25, 2010
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.

Freeze or run? Not that simple

Researchers at EMBL identified specific type of neurons involved in mouse fear response, revealing complex brain circuitry. They used fMRI and genetic approaches to control neurons' activity, showing that fear can trigger active coping strategies instead of freezing.

SourceEuropean Molecular Biology Laboratory·JournalNeuron·DateAug 25, 2010

Students need help to save money, but don't always know it: Waterloo study

A University of Waterloo study found that students are overly optimistic about their ability to achieve savings goals, leading them to undervalue opportunities for help. The study suggests that this optimism can be costly, causing individuals to overlook ways to make achieving their goals easier.

SourceUniversity of Waterloo·JournalSocial Psychological and Personality Science·DateAug 25, 2010

Scientists say natural selection alone can explain eusociality

Researchers develop new theory explaining the evolution of eusocial behavior, finding that standard natural selection is sufficient to account for cooperation in species like ants and bees. The study suggests that eusociality arises independently multiple times due to the stability of colonies once established.

SourceHarvard University·JournalNature·DateAug 25, 2010
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.

Fuel treatments reduce wildfire severity, tree mortality in Washington forests

A study found that fuel treatments can reduce fire severity and protect older trees desirable for their timber, wildlife, and carbon-storage value. The results showed nearly 60% of trees survived in stands with thinning plus fuel treatment, and three-quarters of larger trees survived.

SourceUSDA Forest Service - Pacific Northwest Research Station·JournalCanadian Journal of Forest Research·DateAug 25, 2010

Sad mothers have small babies

A study in rural Bangladesh found that women with depression and anxiety during pregnancy gave birth to smaller babies, which are more likely to die in infancy. The research highlights the importance of mental health support services to reduce child mortality in developing countries.

SourceBMC (BioMed Central)·JournalBMC Public Health·DateAug 25, 2010

Mayo researchers develop new laboratory cell lines to study treatment for ATC

The Mayo Clinic team created four new ATC cell lines with distinct molecular mutations, which will aid in testing new treatments and potentially lead to improved survival rates. The researchers also found that these cell lines reactivate a tumor suppressor gene called RhoB, leading to growth suppression.

SourceMayo Clinic·JournalThe Journal of Clinical Endocrinology & Metabolism·DateAug 25, 2010

Microneedle, quantum dot study opens door to new clinical cancer tools

Researchers at North Carolina State University developed tiny microneedles that can deliver quantum dots, nanoscale crystals, into the skin for diagnosing and treating various medical conditions. The technology uses multiphoton microscopy to visualize quantum dot delivery, paving the way for more rapid cancer diagnosis and treatment.

SourceNorth Carolina State University·JournalFaraday Discussions·DateAug 25, 2010
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.

BPA and testosterone levels

A large population study found a statistically significant association between BPA exposure and increased testosterone levels in men. The study, which analyzed data from over 700 adults aged 20-74 years, suggests that even low-level exposure to BPA may have endocrine-disrupting effects on human health.

SourceThe Peninsula College of Medicine and Dentistry·JournalEnvironmental Health Perspectives·DateAug 25, 2010

The strange case of solar flares and radioactive elements

Researchers found that solar flares can affect the decay rate of certain radioactive elements on Earth. This effect is likely caused by solar neutrinos emitted by the sun. The study's findings could lead to a new method for predicting solar flares and protecting satellites from damage.

SourceStanford University·JournalAstroparticle Physics·DateAug 25, 2010

Trouble with sputter? Blame giant nanoparticles

Scientists have discovered that giant nanoparticles are sticking together in a vacuum chamber, causing stress and roughness in thin films. This finding has large implications for industries such as optics and materials science.

SourceUniversity of Vermont·JournalPhysical Review B·DateAug 25, 2010
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.

Gene involved in Fuchs corneal dystrophy is found

Researchers have identified a gene likely responsible for Fuchs corneal dystrophy, an inheritable genetic disorder causing corneal transplant operations. The TCF4 gene variation significantly increases the risk of developing the disease.

SourceUniversity of Oregon·JournalNew England Journal of Medicine·DateAug 25, 2010

Plant scientists move closer to making any crop drought-tolerant

Plant scientists have made a significant advance in developing drought-resistant crops by understanding how the synthetic chemical pyrabactin works. By identifying subtle differences between receptors in their binding pockets, researchers can now develop more effective chemicals for bringing drought-resistance to plants.

SourceUniversity of California - Riverside·JournalNature Structural & Molecular Biology·DateAug 25, 2010

'Dry water' could make a big splash commercially

Scientists have discovered a substance called 'dry water' that can absorb and store carbon dioxide, methane, and other gases. This powder has the potential to reduce global warming by providing an alternative storage material for these gases.

SourceAmerican Chemical Society·DateAug 25, 2010
Meta Quest 3 512GB

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

'Greening' your flat screen TV

Researchers create new nano-material using biomaterial involved in Alzheimer's disease research, resulting in environmentally friendly LED lights. The technology also enables medical equipment to be more sensitive and generates strong signals for other applications.

SourceAmerican Friends of Tel Aviv University·JournalAdvanced Materials·DateAug 25, 2010
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.

University of Minnesota math institute receives $20.5 million NSF grant

The University of Minnesota's Institute for Mathematics and its Applications has received a $20.5 million NSF grant to continue its tradition as one of the nation's top math institutes. The IMA brings together world-class mathematicians with experts from other scientific disciplines to tackle real-world problems.

SourceUniversity of Minnesota·DateAug 25, 2010

Liver cells created from patients' skin cells

Scientists have created diseased liver cells from human skin samples to model a range of inherited disorders. The breakthrough could lead to personalized treatments and cell-based therapy for those suffering from liver diseases.

SourceUniversity of Cambridge·JournalJournal of Clinical Investigation·DateAug 25, 2010

Rice study identifies 4 types of evangelicals in American leadership

The study, led by D. Michael Lindsay, categorizes evangelical leaders into pragmatic, heroic, circumspect, and brazen types based on their personal faith engagement in workplace decision-making. The research highlights the diversity of evangelicals' approaches to business leadership and their motivations.

SourceRice University·JournalJournal of the American Academy of Religion·DateAug 25, 2010

North American continent is a layer cake, scientists discover

Researchers use seismic technique to detect boundary between old and new lithosphere beneath the North American continent. The study reveals a layer cake of ancient rock on top of newer material, challenging traditional theories on continental formation.

SourceUniversity of California - Berkeley·JournalNature·DateAug 25, 2010
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.

Use the common cold virus to target and disrupt cancer cells?

Researchers at Salk Institute discover a novel mechanism by which adenovirus disables p53 in infected cells, paving the way for targeted cancer therapies. The study reveals two key proteins, E1B-55K and E4-ORF3, that work together to neutralize p53's tumor suppressor function.

SourceSalk Institute·JournalNature·DateAug 25, 2010
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.

A dog's life -- physiotherapy for arthritic pets

Researchers have found that walking uphill and using obstacles can improve flexibility in arthritic dogs' joints, while walking downhill offers little therapeutic benefit.

SourceUniversity of Veterinary Medicine -- Vienna·JournalAmerican Journal of Veterinary Research·DateAug 25, 2010

Arizona researchers create tests to assess Down syndrome

Researchers at the University of Arizona have developed a battery of computer-based tests that can quickly assess cognitive abilities in individuals with Down syndrome. The tests, which take about two hours to administer, offer a new tool for clinicians and researchers to determine developmental trajectory and devise drug and behaviora...

SourceUniversity of Arizona·JournalJournal of Neurodevelopmental Disorders·DateAug 25, 2010

Co-products and cornstalk residue can cut cow feed costs by a dollar a day

Researchers at the University of Illinois found that feeding co-products and cornstalk residue in winter can reduce cow feed costs by up to $1 per day. The study compared various feeding methods and delivery systems, finding that smaller herds can save money by feeding free-choice cornstalk residue and handfeeding DDGS.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalThe Professional Animal Scientist·DateAug 25, 2010
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.

UCI-Scripps study links cellular motors to memory

Researchers from UCI and Scripps discovered that myosin II proteins play a critical role in synaptic plasticity and learning, suggesting new therapeutic targets for memory-related disorders. This finding adds an unexpected dimension to the story of how memories are encoded.

SourceUniversity of California - Irvine·JournalNeuron·DateAug 25, 2010

Banana plantain fibers could treat Crohn's disease

Researchers have discovered that plantain soluble fibres can prevent the uptake and transport of E. coli across M-cells in the gut, reducing chronic inflammation in patients with Crohn's disease. Clinical trials are underway to test whether a medical food containing plantain fibres can keep patients in remission.

SourceUniversity of Liverpool·JournalGut·DateAug 25, 2010
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.

Research shows gender difference in energy compensation effect

A recent scientific study found that men and women exhibit different responses to liquid calories, with women showing a trend towards greater energy intake after consuming caloric drinks. The research suggests that the body compensates for short-term energy intake, but women may be more susceptible to energy compensation dysregulation.

SourceSugar Nutrition UK·JournalAppetite·DateAug 25, 2010

Evolution writ small

Researchers at Rice University studied bacteria in a competition for evolutionary dominance, finding specific genetic mutations that imparted physical advantages. These mutations were linked to increased resistance to temperature changes and protein misfolding, which may be related to human diseases like Alzheimer's.

SourceRice University·JournalMolecular Systems Biology·DateAug 25, 2010
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.

International study shows some asteroids live in own little worlds

Researchers discovered that many binary asteroid pairs do not remain bound to each other but escape, forming two separate asteroids in orbit around the sun. The study showed a specific relationship between the larger and smaller members of the pair, with the smallest one always less than 60% of the size of its companion.

SourceUniversity of Colorado at Boulder·JournalNature·DateAug 25, 2010

NICS to add more than 300 teraflops to the NSF's computing capacity

The University of Tennessee-managed NICS will add 300 teraflops and 200 million service units to the TeraGrid, increasing total available resources to over 800 million. Researchers can now access more resources, including the 166-teraflop Cray XT4 Athena, with improved availability for smaller jobs.

SourceNational Institute for Computational Sciences·DateAug 25, 2010

Copy number variation found to cause rare kidney disease

Researchers have identified a rare form of kidney disease linked to a genetic mutation in the innate immune system, causing progressive kidney malfunction and blood in urine. The condition, named CFHR5 nephropathy, has been found in over 100 people of Cypriot descent and is potentially serious but can be detected through DNA testing.

SourceWellcome Trust·JournalThe Lancet·DateAug 25, 2010

Applying stem cell technology to liver diseases

Researchers have successfully generated iPS cell-derived hepatocytes, which can recapitulate key features of inherited liver diseases and regenerate in mice. This breakthrough could lead to new treatments for liver disorders.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateAug 25, 2010