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Science News for November 6, 2013


X-rays reveal inner structure of the Earth's ancient magma ocean

Using X-ray analysis, scientists have studied molten basalt at extreme pressure conditions, revealing a stiffer and denser form of the magma. The findings support the concept of two magma oceans in the early Earth's mantle, separated by a crystalline layer.

SourceDeutsches Elektronen-Synchrotron DESY·JournalNature·DateNov 6, 2013

Cocktail novelties inspired by nature's designs

Researchers have created a cocktail boat that uses the Marangoni effect to move through an alcoholic drink, propelled by a difference in surface tension. A floral pipette resembling an upside-down flower captures and closes around a drop of liquid, serving as a palate cleanser.

SourceMassachusetts Institute of Technology·JournalBioinspiration & Biomimetics·DateNov 6, 2013

Winners named in 2013 AAAS Kavli Science Journalism Awards competition

The 2013 AAAS Kavli Science Journalism Awards recognized outstanding science journalism, including a series on preventing Asian carp from invading the Great Lakes and an early warning system for earthquakes. Winners included Dan Egan, Hillary Rosner, Joshua Seftel, Barbara Lich, and Azeen Ghorayshi.

SourceAmerican Association for the Advancement of Science (AAAS)·DateNov 6, 2013
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.

Research reveals possible cause of diabetic cardiomyopathy

Researchers at UTMB have discovered that PKC activation leads to alternative splicing events in the heart, causing developmental shift and preventing correct functioning. This finding could help lead to prevention and treatment of heart failure in diabetics.

SourceUniversity of Texas Medical Branch at Galveston·JournalJournal of Biological Chemistry·DateNov 6, 2013

Earliest marker for autism found in young infants

Researchers have identified a steady decline in attention to others' eyes in 2-6 month old infants later diagnosed with autism. This finding suggests that social engagement skills are intact shortly after birth in children with autism, and could lead to early diagnosis and treatment.

SourceNIH/National Institute of Mental Health·JournalNature·DateNov 6, 2013
Apple iPhone 17 Pro

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

MU study finds more accurate method to diagnose pancreatic cancer

Researchers at the University of Missouri have found a more accurate laboratory method for diagnosing pancreatic cancer. The new technique uses morphological features to identify the disease with 93% accuracy, significantly improving diagnosis over traditional methods.

SourceUniversity of Missouri-Columbia·DateNov 6, 2013

For young baseball players, light bats don't hit too fast

A study by Brown University researchers found that lighter non-wood bats did not launch the ball at significantly higher speeds than wood bats, particularly for younger players. The study's results suggest that coordinated rules for bat performance in youth baseball are needed to ensure player safety and enjoyment.

SourceBrown University·JournalJournal of Applied Biomechanics·DateNov 6, 2013

Addicts may be seeking relief from emotional lows more than euphoric highs

Cocaine addicts may be seeking relief from emotional lows rather than euphoric highs. Rutgers researchers discovered that negative emotions play a crucial role in regulating cocaine abuse, leading to binge-like behavior. The study suggests that understanding the importance of emotional lows can help combat substance abuse.

SourceRutgers University·JournalPsychopharmacology·DateNov 6, 2013
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.

Nuclear medicine therapy increases survival for patients with colorectal cancer liver metastases

New research published in The Journal of Nuclear Medicine found that radioembolization therapy can extend survival for patients with colorectal cancer liver metastases by approximately 50 percent. This treatment option has shown promise as a life-extending treatment for salvage patients who have failed current treatments.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateNov 6, 2013

SDSU receives $8.5M for heart research

San Diego State University has received a $8.5 million grant to study how the heart heals and ways stem cells can help repair it. Researchers aim to clear away limitations that limit cardiac function and restore quality of life for patients suffering from heart failure.

SourceSan Diego State University·DateNov 6, 2013
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.

Comprehending comprehension

Northwestern University researchers found that brain activity can predict individual differences in reading comprehension, with nearly 90% accuracy. They used EEG to measure brainwaves and compared the results between ordered and scrambled story texts.

SourceNorthwestern University·JournalFrontiers in Human Neuroscience·DateNov 6, 2013

Study shows that parenting improves with coaching via cell phone

A study published in Pediatrics found that cell phone coaching improved parenting skills and reduced depression and stress in mothers. The intervention, which included daily texts and calls from coaches, helped mothers learn positive parenting strategies and their children adapted better to new situations.

SourceUniversity of Kansas·JournalPEDIATRICS·DateNov 6, 2013

Pitt Public Health analysis challenges assumptions about bisexual men and HIV transmission

A U.S.-based analysis by University of Pittsburgh researchers suggests that bisexual men may not be responsible for significant HIV transmission to their female partners. The study found that bisexually behaving men were only 40% as likely to be infected with HIV as homosexually behaving men, primarily due to lower rates of unprotected...

SourceUniversity of Pittsburgh Schools of the Health Sciences·DateNov 6, 2013

Monkeys use minds to move 2 virtual arms

Researchers at Duke University have enabled monkeys to control two virtual arms using their brain activity. The study advances efforts to develop bilateral movement in brain-controlled prosthetic devices, aiming to restore mobility and sense of touch in severely paralyzed patients.

SourceDuke University Medical Center·JournalScience Translational Medicine·DateNov 6, 2013
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.

School violence lowers test scores, not grades

A new study found that violent crime in schools adversely affects reading and math scores on standardized tests, but has no influence on GPAs. Students' perceptions of safety also remain relatively unchanged despite fluctuations in violent crime rates.

SourceAmerican Sociological Association·JournalSociology of Education·DateNov 6, 2013

Early childhood educators hold the key to children's communication skills

High-quality interactions between children and adults foster growth in early language and communication skills. The study recommends ten practices to support the development of these skills, including responding to vocalizations, eliciting conversations, and using complex grammar and rich vocabulary.

SourceFrank Porter Graham Child Development Institute·DateNov 6, 2013

Lawrence Livermore researchers unveil carbon nanotube jungles to better detect molecules

Researchers from Lawrence Livermore National Laboratory and ETH Zurich develop a new method of using carbon nanotubes to detect molecules, enabling trace detection of biological threats, explosives and drugs. The use of metal-coated nanotubes creates a 'jungle canopy' that amplifies the detection capabilities in surface-enhanced Raman ...

SourceDOE/Lawrence Livermore National Laboratory·JournalAdvanced Materials·DateNov 6, 2013
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.

Long term results of EORTC trial for patients with resectable liver metastases from colorectal cancer

The EORTC trial found that perioperative chemotherapy with FOLFOX4 increases progression-free survival compared to surgery alone, but no significant difference in overall survival was observed. The study concludes that perioperative chemotherapy should remain the reference treatment for patients with resectable liver metastases from co...

SourceEuropean Organisation for Research and Treatment of Cancer·JournalThe Lancet Oncology·DateNov 6, 2013

Stress makes snails forgetful

Researchers trained pond snails to forget how to breathe air and found that single stressful events impaired memory, but multiple stresses blocked all learning and memory. The study published in PLOS ONE reveals that stress affects animals' ability to form long-term memories.

SourceUniversity of Exeter·JournalPLOS ONE·DateNov 6, 2013

Movin' on out

A new study from Concordia University reveals that parents and peers are vital for millennials leaving home, providing both practical and emotional support. The research, conducted with 32 emerging adults, found that peers were a key source of information about moving out and adopting strategies for autonomous living.

SourceConcordia University·JournalCanadian Journal of Family and Youth / Le Journal Canadien de Famille et de la Jeunesse·DateNov 6, 2013
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.

First study of Russian meteor

The Chelyabinsk meteorite was analyzed by an international team of researchers, revealing its composition and origin. The study found that the meteoroid entered Earth's atmosphere at 19 km/s and broke up 30 kilometers above ground, causing widespread damage.

SourceUniversity of California - Davis·JournalScience·DateNov 6, 2013

Crime associated with higher mortality rates

A new study published in PLOS ONE reveals that people with drug-related criminal records in Norway have a significantly higher mortality rate, up to 15 times higher than those with no record. The study also found that even prisoners without substance abuse problems had nearly twice the mortality rate of non-offender populations.

SourceInternational Institute for Applied Systems Analysis·JournalPLOS ONE·DateNov 6, 2013

'Diabetic flies' can speed up disease-fighting research

Researchers at UMD found that fruit flies have similar mechanisms to regulate blood sugar as humans, including the use of insulin. This discovery enables the use of fruit flies in screening tests for new diabetes treatments.

SourceUniversity of Maryland·JournalPLOS ONE·DateNov 6, 2013

New study identifies signs of autism in the first months of life

Researchers identified declining attention to others' eyes in infants later diagnosed with autism, starting from 2 months old. This finding has profound implications for early intervention strategies and suggests that interventions could build on existing levels of eye contact.

SourceEmory Health Sciences·JournalNature·DateNov 6, 2013
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.

Discovered a mechanism that induces migration of tumor cells in liver cancer

A study by IDIBELL researchers has identified a mechanism inducing tumor cell migration in liver cancer, suggesting that patients with overactivated TGFb and high CXCR4 levels may benefit from TGFb inhibitory therapy. The findings provide new insights into the molecular mechanisms underlying liver cancer progression.

SourceIDIBELL-Bellvitge Biomedical Research Institute·JournalHepatology·DateNov 6, 2013

Earliest record of copulating insects discovered

Scientists have uncovered a 165-million-year-old fossil of copulating froghoppers, providing insight into the earliest record of insect mating. The discovery suggests that froghopper genital symmetry and mating position remained static for over 165 million years.

SourcePLOS·JournalPLOS ONE·DateNov 6, 2013

3-dimensional carbon goes metallic

Researchers have discovered a new metallic structure of carbon that is stable at ambient temperature and pressure. The discovery could lead to breakthroughs in materials science and technology, including the development of lightweight metals for space applications.

SourceVirginia Commonwealth University·JournalProceedings of the National Academy of Sciences·DateNov 6, 2013
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Network to study environmental microbes

A new research coordination network is working to study eukaryotic biodiversity using high-throughput DNA sequencing technology. Researchers will focus on microscopic organisms playing vital roles in ecosystems, such as breaking down organic matter and turning over soil nutrients.

SourceUniversity of California - Davis·DateNov 6, 2013
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.

Children who have autism far more likely to have tummy troubles

A new study by the UC Davis MIND Institute found that children with autism are six-to-eight times more likely to have gastrointestinal problems, including constipation, diarrhea, and sensitivity to foods. These symptoms are related to behavioral issues such as social withdrawal, irritability, and repetitive behaviors.

SourceUniversity of California - Davis Health·JournalJournal of Autism and Developmental Disorders·DateNov 6, 2013

Touch may alleviate existential fears for people with low self-esteem

Research suggests that touch can alleviate existential fears for individuals with low self-esteem, reducing death anxiety and social alienation. Touching an inanimate object can also provide existential comfort, reducing ethnocentrism and promoting a sense of existential significance.

SourceAssociation for Psychological Science·JournalPsychological Science·DateNov 6, 2013

'Don't get sick in July'

Researchers found that high-risk patients at teaching hospitals face a significant increase in mortality risk during July, when trainees take on new roles. The study suggests that intensifying oversight on high-risk cases and having more experienced doctors care for these patients can help mitigate this risk.

SourceHarvard Medical School·JournalCirculation·DateNov 6, 2013

Educational video games can boost motivation to learn, NYU, CUNY study shows

A NYU and CUNY study reveals that math video games can enhance students' motivation to learn by adopting a mastery mindset, particularly when played with others. Students who played the game competitively or collaboratively reported stronger mastery goal orientations, indicating an optimal mindset for learning.

SourceNew York University·JournalJournal of Educational Psychology·DateNov 6, 2013
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.

Floods didn't provide nitrogen 'fix' for earliest crops in frigid North

The study found that cyanobacteria in floodplains fixed a significant amount of nitrogen, making it available for plants, unlike previously assumed. This discovery could lead to more accurate models and potentially reduce fertilizer use by utilizing naturally occurring cyanobacteria in soils worldwide.

SourceUniversity of Washington·JournalPLOS ONE·DateNov 6, 2013

Volume of nuclear waste could be reduced by 90 percent, says new research

A new study from the University of Sheffield has developed a method to reduce the volume of plutonium-contaminated nuclear waste by 85-95%. This approach involves mixing the waste with blast furnace slag and turning it into glass, creating a stable end product that effectively locks in radioactive materials.

SourceUniversity of Sheffield·JournalJournal of Nuclear Materials·DateNov 6, 2013
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.

Osteoarthritis medicine delivered on-demand

Researchers have developed a squishy gel that releases an anti-inflammatory drug when compressed, like a painful knee joint. The new material could deliver medications on-demand to alleviate osteoarthritis symptoms.

SourceAmerican Chemical Society·JournalBiomacromolecules·DateNov 6, 2013

Big beats bolster solar cell efficiency

Researchers at Queen Mary University of London discovered that high-frequency vibrations in pop and rock music enhance energy generation in solar cells, increasing efficiency. The study, published in Advanced Materials, suggests a new potential for printed solar cells to generate electricity from sunlight.

SourceQueen Mary University of London·JournalAdvanced Materials·DateNov 6, 2013

CWRU study finds mending ruptures in client-therapist relationship has positive benefits

A new Case Western Reserve University study examines how ruptures in the therapeutic relationship between therapist and client can damage a patient's treatment outcome for PTSD. Researchers found that repairing these ruptures can have positive effects on treatment outcomes, while unresolved ruptures predict poorer outcomes.

SourceCase Western Reserve University·JournalJournal of Consulting and Clinical Psychology·DateNov 6, 2013
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.

Elsevier's Maturitas publishes position statement on fertility preservation

The European Menopause and Andropause Society (EMAS) has published a position statement on fertility preservation, highlighting the need for informed consent and minimizing gonadotoxicity for fertility treatments in individuals of reproductive age. The statement critically appraises available options for fertility preservation in both ...

SourceElsevier·JournalMaturitas·DateNov 6, 2013

From 1 collapsing star, 2 black holes form and fuse

Researchers propose a new model for supermassive black hole growth involving 'seed' black holes formed from early stars. A single collapsing star can produce a pair of black holes that merge, resolving the issue of their rapid formation in the young universe.

SourceCalifornia Institute of Technology·JournalPhysical Review Letters·DateNov 6, 2013
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

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.

A shot in the dark: Detector on the hunt for dark matter

The team uses a powerful magnet and supercooled microwave receiver to detect faint interactions between axions and electromagnetic radiation. They aim to find cold dark matter axions in the Milky Way galaxy, which could make up 1/4 of the universe's mass.

SourceUniversity of Washington·DateNov 6, 2013

Annual car crash deaths in England and Wales have fallen 40 percent in 50 years

Annual car crash deaths in England and Wales have plummeted 41% over the past five decades, but a stark disparity remains between those from affluent and disadvantaged backgrounds. The data also reveal women are more likely to die in car crashes at older ages, with significant social class differences observed.

SourceBMJ Group·JournalEmergency Medicine Journal·DateNov 6, 2013

Study uncovers new explanation for infection susceptibility in newborns

Research at Cincinnati Children's Hospital Medical Center reveals that newborn infants' immune systems suppress helpful bacteria colonization by CD71+ cells, leading to infection susceptibility. The study proposes a new explanation for neonatal infections and suggests temporary immune suppression extends beyond the intestines.

SourceCincinnati Children's Hospital Medical Center·JournalNature·DateNov 6, 2013
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.

'Please feed me': The power of putting a human face on social causes

Anthropomorphizing social causes with a human-like face can increase support by appealing to feelings of guilt and empathy. This approach was found to be effective in boosting participation in social causes such as energy conservation, recycling, and environmental issues.

SourceAssociation for Psychological Science·JournalPsychological Science·DateNov 6, 2013

Findings announced from landmark study on safety of adolescent bariatric surgery

Researchers found that only 66% of participants experienced complications after undergoing bariatric surgery, with most being minor and temporary. The study's findings provide encouragement to adolescents and their families considering weight loss surgery as a treatment option for severe obesity-related health issues.

SourceNationwide Children's Hospital·JournalJAMA Pediatrics·DateNov 6, 2013

Speaking a second language may delay different dementias

Research shows that speaking two languages can delay the onset of three types of dementias, including Alzheimer's disease, frontotemporal dementia, and vascular dementia. The study found that people who spoke two languages developed dementia four and a half years later than those who only spoke one language.

SourceAmerican Academy of Neurology·JournalNeurology·DateNov 6, 2013

Mothers' relationships can influence adolescent children's relationships, MU study finds

A new study from the University of Missouri suggests that mothers' friendships with other adults can impact their adolescent children's relationships with their own friends. Mothers who display high levels of conflict with friends may signal to their children that such behavior is acceptable, leading to anxiety and depression.

SourceUniversity of Missouri-Columbia·JournalJournal of Adolescent Research·DateNov 6, 2013

Lower education levels linked to unhealthy diets

Research found that adults with lower education levels consumed more sugar- and fat-rich foods than those with higher education levels. They also expended more energy through physical activity, which may explain their higher food intake.

SourcePLOS·JournalPLOS ONE·DateNov 6, 2013
Meta Quest 3 512GB

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

NASA sees heavy rain around Super-Typhoon Haiyan's eye

A NASA satellite revealed intense rainfall around Super Typhoon Haiyan's eye, with rates of over 100mm/hour. The storm's powerful winds and convection patterns indicate catastrophic damage upon landfall in the Philippines.

SourceNASA/Goddard Space Flight Center·DateNov 6, 2013

Sun sends out a significant solar flare

A significant solar flare peaked at X3.3 on Nov. 5, 2013, affecting GPS and communications signals. The event is part of the sun's 11-year activity cycle ramping up towards solar maximum conditions.

SourceNASA/Goddard Space Flight Center·DateNov 6, 2013

NASA sees Tropical Depression 30W stretching out, fading

NASA satellite imagery shows Tropical Depression 30W elongating as it makes landfall in southern Vietnam, with shallow thunderstorm development. The storm is expected to dissipate over the next day, but there is a chance of regeneration once its remnants move over nearby seas.

SourceNASA/Goddard Space Flight Center·DateNov 6, 2013
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.

Dartmouth researchers shed new light on dark energy, cosmic speed-up

A new study by Dartmouth researchers eliminates a controversial theory that the universe's accelerating expansion is an illusion. They used Big Bang afterglow to show that Earth has no special place in the expanding universe, eliminating the possibility of a cosmic center.

SourceDartmouth College·JournalPhysical Review D·DateNov 6, 2013

Speaking a second language may delay dementia, study shows

A study of almost 650 dementia patients found that bilingual individuals experience a later onset of Alzheimer's disease, vascular dementia, and frontotemporal dementia. Bilingualism appears to be a natural brain training that delays dementia onset.

SourceUniversity of Edinburgh·JournalNeurology·DateNov 6, 2013

Drilling for hydrocarbons can impact aquatic life

A new study published in PLOS ONE found that drilling sumps associated with hydrocarbon extraction can negatively impact aquatic ecosystems. The degradation of these sumps can lead to changes in the community composition of zooplankton, highlighting the need for better climate change mitigation strategies.

SourcePLOS·JournalPLOS ONE·DateNov 6, 2013
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.

Saddling up against the threat to our National Parks

Research finds that horse manure disperses non-native weed seeds, including 16 noxious weeds in Australia and 105 invasive species in North America. Habitat disturbance from trampling also facilitates seed germination.

SourceGriffith University·JournalEcological Management & Restoration·DateNov 6, 2013

Hospitals with neurology residency programs more likely to administer life-saving clot-busting drugs

Stroke patients treated at hospitals with neurology residency programs are significantly more likely to receive life-saving clot-busting drugs than those seen at other teaching or non-teaching hospitals. The findings suggest that having a neurologist on hand 24/7 increases the chances of better outcomes and improves treatment adherence.

SourceJohns Hopkins Medicine·JournalNeurology·DateNov 6, 2013

Genetic aberration paves the way for new treatment of cancer disease

Researchers at University of Copenhagen have discovered a potential treatment for colorectal cancer by targeting the TOP2A gene aberration. The new treatment has shown promise in reducing treatment time and cost, with an estimated efficiency rate of 10% in patients with this gene defect.

SourceUniversity of Copenhagen·JournalScandinavian Journal of Gastroenterology·DateNov 6, 2013
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.

Prognostic value of baseline HRQOL for survival for 11 types of cancer pointed out by EORTC study

The EORTC study found that baseline recorded health-related quality of life parameters provided additional prognostic information for survival in eleven types of cancer, including brain, breast, and colorectal cancers. The specific health-related quality of life parameters found to be predictive for survival varied by cancer site.

SourceEuropean Organisation for Research and Treatment of Cancer·JournalCancer·DateNov 6, 2013

Professor Alan Cowman wins Malaysian science award

Professor Alan Cowman has been recognized for his substantial contributions to understanding malaria development and drug resistance. His work has led to the development of two potential malaria vaccines, one in clinical trials and the other in preclinical development.

SourceWalter and Eliza Hall Institute·DateNov 6, 2013

In dual-career couples, mothers still do the most child care

A study of 182 dual-earner couples found that mothers spent nearly 70% of their time on child care when their children were 9 months old. Despite having similar work constraints, the researchers discovered that mothers still invest significantly more time into parenting.

SourceOhio State University·JournalFamily Relations·DateNov 6, 2013
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.

Hormone levels in women using contraception affect nerve activity involved in vessel constriction

Research finds that hormone contraception affects the regulation of muscle sympathetic nerve activity differently, depending on sex hormone levels and chemoreflex stress. Hormone levels influence the frequency and amplitude of nerve firings, with higher hormone levels protecting against cardiovascular damage in younger women.

SourceAmerican Physiological Society·JournalJournal of Applied Physiology·DateNov 6, 2013

Infected butterflies lead geneticists up the garden path

Researchers found strong divergences in mtDNA, suggesting cryptic speciation, but no differences in nuclear DNA markers. Wolbachia infections can mimic this phenomenon, leading to false results in DNA barcoding studies. The study warns against relying solely on DNA barcoding for species identification.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalPLOS ONE·DateNov 6, 2013
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.

Brain may play key role in blood sugar metabolism and development of diabetes

New research suggests that normal glucose regulation depends on a partnership between the pancreas and brain areas regulating blood sugar levels. The brain-centered system enhances insulin-mediated glucose metabolism while stimulating glucose effectiveness, accounting for nearly half of normal glucose uptake.

SourceUniversity of Washington·JournalNature·DateNov 6, 2013