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Science News Archive 2013 - Page 224


Page 224 of 352

Fishing for memories

Japanese researchers from RIKEN Brain Science Institute have visualized the process of remembering learned behavior in zebrafish. The study uses calcium imaging to trace neural activity and finds that short-term and long-term memories are formed in different parts of the brain.

SourceRIKEN·JournalNeuron·DateMay 16, 2013

New X-ray method shows how frog embryos could help thwart disease

Scientists used a new X-ray method to study African clawed frog embryos, providing detailed insights into embryonic development and cell movement. The results revealed new morphological structures and clarified the process of fluid redistribution in the embryo.

SourceDOE/Argonne National Laboratory·JournalNature·DateMay 16, 2013

Promising treatment for progeria within reach

A new study offers promising hope for treating progeria by targeting the enzyme ICMT, which causes premature aging. Researchers have successfully tested an ICMT inhibitor on mice, reducing or blocking the development of progeria symptoms and increasing cell growth.

SourceUniversity of Gothenburg·JournalScience·DateMay 16, 2013
Apple iPhone 17 Pro

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

Study brings greater understanding of tumor growth mechanism

Researchers at Plymouth University Peninsula Schools of Medicine and Dentistry have discovered how the loss of a tumour suppressing protein leads to abnormal cell division in the brain and nervous system. The study's findings may lead to new drug-based therapies to reduce or negate the need for multiple surgeries or radiotherapies.

SourceUniversity of Plymouth·JournalBrain·DateMay 16, 2013

Stacking 2-D materials produces surprising results

Researchers at MIT have discovered a method to engineer graphene with a band gap, necessary for transistors and semiconductor devices. The new technique involves stacking graphene with hexagonal boron nitride, producing a hybrid material with varying electronic characteristics.

SourceMassachusetts Institute of Technology·JournalScience·DateMay 16, 2013

Climate change may have little impact on tropical lizards

A Dartmouth College study suggests that many species of tropical lizards may not be on the brink of extinction due to climate change. The research found that high-resolution temperature measurements revealed varying effects on different lizard populations, contradicting previous predictions of widespread extinction.

SourceDartmouth College·JournalGlobal Change Biology·DateMay 16, 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.

URC receives USAID's Excellence in Mentorship Award

University Research Co., LLC (URC) received the first ever Excellence in Mentorship Award from USAID for its development assistance to WI-HER, a woman-owned small business. The award recognized URC's significant impact on WI-HER's gender strategies and innovation.

SourceUniversity Research Co., LLC·DateMay 16, 2013

Mathematicians analyze social divisions using cell phone data

Researchers developed a new way to characterize relationships among communities defined by language, religion, and ethnicity. They used cell phone data to map connections among 1216 towers for five months, revealing strong associations between geographic divisions.

SourceUniversity of California - San Diego·DateMay 16, 2013

Interim provost Paula Myrick Short named Fulbright Specialist

Paula Myrick Short, interim provost and senior vice president for academic affairs, has been selected as a Fulbright Specialist to engage in short-term collaborative projects at international universities. She will share expertise in reform strategies, leadership development, and policy support to enhance student success.

SourceUniversity of Houston·DateMay 15, 2013

Scientists develop 'green' pretreatment of Miscanthus for biofuels

Researchers have developed a novel, environmentally friendly approach to pretreating Miscanthus biomass, enabling more efficient conversion into biofuels. The 'green' pretreatment process uses switchable butadiene sulfone, which can be recovered and reused, reducing waste and costs.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalGreen Chemistry·DateMay 15, 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.

No idle chatter: Study finds malaria parasites 'talk' to each other

Researchers discovered malaria parasites can send signals to each other in infected red blood cells, triggering transformation into sexually mature forms that can be transmitted to mosquitoes. This social behavior could provide a target for developing new antimalarial drugs or vaccines.

SourceWalter and Eliza Hall Institute·JournalCell·DateMay 15, 2013

Canada must addess real climate-change challenge

Canadian governments must work together to share greenhouse gas emissions reduction costs, with provinces contributing equally. The current system is not effective and requires leadership from the Prime Minister and provincial premiers to address the challenge.

SourceUniversity of Toronto·DateMay 15, 2013

More severe psoriasis explains the higher costs of care for men

A new study from Umea University finds that men with more severe psoriasis receive more frequent and expensive treatment, contributing to higher healthcare costs. The research analyzed data from over 2,200 Swedish patients and found a significant difference in disease severity between men and women.

SourceUmea University·JournalPLOS ONE·DateMay 15, 2013

NASA satellites eye Cyclone Mahasen as Bangladesh prepares for landfall

Cyclone Mahasen is strengthening in the Bay of Bengal, with NASA satellites tracking its movement and predicting a large storm surge along the Bangladeshi coastline. Heavy rainfall totals over 500 mm have been recorded in the northern Indian Ocean, posing significant flooding risks for residents in coastal areas.

SourceNASA/Goddard Space Flight Center·DateMay 15, 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.

Getting fit in middle age can reduce heart failure risk

A study published in the American Heart Association found that middle-aged individuals who improved their fitness levels reduced their heart failure risk by 20% for every one MET improvement. This research highlights the importance of incorporating regular exercise into mid-life routines to decrease the risk of heart failure.

SourceAmerican Heart Association·DateMay 15, 2013

Clam fossils divulge secrets of ecologic stability

A new study reveals that the Devonian clam fauna experienced fluctuations in species abundance, but its ecological stability remained intact. The research suggests that factors like predation pressure and food web dynamics played a crucial role in maintaining the ecosystem's stability.

SourceCornell University·JournalPLOS ONE·DateMay 15, 2013

More sleep may decrease the risk of suicide in people with insomnia

A new study found that increased sleep duration is associated with a lower likelihood of moderate or high suicide risk versus low risk. Every one-hour increase in sleep duration was linked to a 72 percent decrease in the likelihood of moderate or high suicide risk, according to researchers.

SourceAmerican Academy of Sleep Medicine·JournalSLEEP·DateMay 15, 2013

HiRISE Mars camera reveals hundreds of impacts each year

Researchers using NASA's HiRISE camera have identified almost 250 fresh impact craters on Mars each year, providing a more accurate measure of surface processes on the Red Planet. The cratering rate is estimated at an average of one per area roughly the size of Texas, offering insights into climate change and the planet's activity.

SourceUniversity of Arizona·JournalIcarus·DateMay 15, 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.

Friction in the nano-world

Researchers at Technical University of Munich discover 'desorption stick', a new type of friction that occurs when polymer molecules interact with surfaces. This mechanism depends on the chemical nature of the surface and solvent, not on movement speed or adhesive strength.

SourceTechnical University of Munich (TUM)·JournalAngewandte Chemie International Edition·DateMay 15, 2013

James Cameron to be publicly honored with Scripps Nierenberg Prize

James Cameron will deliver a presentation on his DEEPSEA CHALLENGE expedition and donate an extreme-depth unmanned undersea exploration system known as a 'lander' to Scripps. The lander will be used for future deep-sea exploration endeavors, unlocking the mysteries of Earth's least explored environment.

SourceUniversity of California - San Diego·DateMay 15, 2013

Squishy hydrogels may be the ticket for studying biological effects of nanoparticles

Researchers at NIST create three-dimensional scaffolds made with cells and hydrogels to evaluate the biological effects of nanoparticles. The hydrogel-based scaffolds provide a more realistic environment than current laboratory tests, allowing for longer-term studies and better representation of normal exposure levels.

SourceNational Institute of Standards and Technology (NIST)·JournalNanotoxicology·DateMay 15, 2013
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.

How teenagers cope with inner-city risks

Research reveals that girls try to avoid or escape risky situations, while boys act tough to prove their street credentials, but both are critical of gangs and youth violence. The study highlights the importance of community and school-based approaches to addressing all forms of violence against women and girls.

SourceEconomic & Social Research Council·DateMay 15, 2013

Observation of second sound in a quantum gas

In a groundbreaking experiment, scientists detected the second sound wave in an ultracold quantum gas, validating a fundamental theory of superfluidity developed by Lev Landau. The observation was made possible by controlling and manipulating individual atoms using lasers.

SourceUniversity of Innsbruck·JournalNature·DateMay 15, 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.

Pelvic organ prolapse surgery less effective than expected

A study published in JAMA found that sacrocolpopexy, a common surgical treatment for pelvic organ prolapse, has lower long-term success rates than previously thought. Nearly one-third of women experience treatment failure within five years, while a majority develop urinary incontinence.

SourceUniversity of Utah Health·JournalJAMA·DateMay 15, 2013

Penn Medicine study finds broad support for rationing of some types of cancer care

A new study by Penn Medicine found that most cancer doctors, patients, and the general public support cutting healthcare costs by refusing to pay for drugs without improving survival or quality of life. The survey also revealed that large numbers favored not paying for more expensive drugs when cheaper alternatives are equally effective.

SourceUniversity of Pennsylvania School of Medicine·DateMay 15, 2013

The developmental genetics of space and time

Researchers identified a case of spatial and temporal conflict in regulating the ventral neurons defective gene, which must be precisely regulated for proper nervous system specification. The study shows that an additional input from a complementary gradient of the Dpp morphogen solves conflicting temporal and spatial responses.

SourceUniversity of Iowa·JournalDevelopmental Biology·DateMay 15, 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.

Clinically depressed patients phrase personal goals in less specific terms

Researchers found that depressed individuals express personal goals in vague terms, such as 'to be happy,' rather than specific objectives like improving a running time. This reduced specificity may be linked to the motivational deficits seen in depression, and could inform more effective psychotherapeutic approaches.

SourcePLOS·JournalPLOS ONE·DateMay 15, 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.

H1N1 discovered in marine mammals

Scientists detected H1N1 virus in free-ranging northern elephant seals off California coast, indicating potential for transmission to humans. The discovery highlights the importance of protecting workers handling marine mammals and preventing disease transmission between species.

SourceUniversity of California - Davis·JournalPLOS ONE·DateMay 15, 2013

Tissue damage from metal-on-metal hip implants appears before pain symptoms appear

A new study found that metal-on-metal hip implants can cause inflammation of the joint lining (synovitis) in asymptomatic patients, with MRI scans identifying this inflammation. The study suggests that symptoms alone are insufficient to determine an implant's health and recommends using imaging, such as MRI, to predict potential damage.

SourceHospital for Special Surgery·JournalJournal of Bone and Joint Surgery·DateMay 15, 2013

Experts to present data addressing patient and physician barriers to clinical trials

Researchers at University Hospitals Case Medical Center Seidman Cancer Center present findings from two studies on new technologies designed to improve patient enrollment in clinical trials. A web-based intervention and an automated matching program showed significant improvements in knowledge, attitudes, and efficiency for oncologists.

SourceUniversity Hospitals Cleveland Medical Center·DateMay 15, 2013

Despite new recommendations, women in 40s continue to get routine mammograms at same rate

Despite new recommendations, women in their 40s continue to get routine breast cancer screenings at the same rate as before, with insurance coverage being a key reason for persistence. The study's findings highlight the ongoing challenges in changing behavior and the influence of societal factors on individual decisions.

SourceJohns Hopkins Medicine·JournalJournal of General Internal Medicine·DateMay 15, 2013
Fluke 87V Industrial Digital Multimeter

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

World's most extraordinary species mapped for the first time

The study identifies key regions for conservation efforts, highlighting Southeast Asia, southern Africa, and Central America as top priorities. Conservationists must allocate limited resources effectively to protect the world's most unique and threatened species.

SourceZoological Society of London·JournalPLOS ONE·DateMay 15, 2013

Hot on the TRAIL of graft vs. host disease

Researchers at Memorial Sloan-Kettering Cancer Center have discovered that expression of TRAIL in transplanted hematopoietic stem cells is critical for an effective anti-tumor response. This finding has led to the development of new therapeutic strategies to suppress graft-versus-host disease while maintaining anti-tumor activity.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMay 15, 2013

Light cast on lifestyle and diet of first New Zealanders

A team of scientists analyzed isotopes from the bones and teeth of the first New Zealanders, identifying their likely diet and childhood origins. The study suggests that the first group shared similar diets, while others had highly variable diets reflecting their geographical movements.

SourceUniversity of Otago·JournalPLOS ONE·DateMay 15, 2013

Body fat hardens arteries after middle age

Researchers at Imperial College London found that middle-aged individuals with higher body fat experience stiffer arteries. This stiffness can lead to increased risk of cardiovascular disease and death.

SourceImperial College London·JournalHYPERTENSION·DateMay 15, 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.

Repeat brain injury raises soldiers' suicide risk

A survey of 161 military personnel found that those with multiple head injuries face a significantly higher risk of suicidal thoughts and behaviors. The study's lead author says that knowing this association can provide valuable information for professionals treating wounded combat servicemen and women to help manage the risk of suicide.

SourceUniversity of Utah·JournalJAMA Psychiatry·DateMay 15, 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.

Collecting DNA for human rights: How to help while safeguarding privacy

A new report highlights the challenges of collecting DNA for human rights purposes, such as protecting victims of human trafficking. The authors propose multiple approaches and solutions to combat this issue, including collaboration among government authorities, law enforcement, social services, academics, and victim advocates.

SourceCell Press·JournalTrends in Genetics·DateMay 15, 2013

Study provides insight into nesting behavior of dinosaurs

Researchers at George Mason University and University of Lincoln found that dinosaurs likely shared incubation duties with both moms and dads, contrary to previous claims of male-only care. This new analysis helps understand the evolution of incubation in birds and sheds light on dinosaur reproductive behavior.

SourceGeorge Mason University·JournalBiology Letters·DateMay 15, 2013

Study finds disagreement on the role of primary care nurse practitioners

A survey of nearly 1,000 primary care clinicians reveals significant disagreements between physicians and nurse practitioners on the scope of nurse practitioner responsibilities, including leadership roles, reimbursement levels, and service provision. The study highlights the need for further analysis of the economic implications and c...

SourceMassachusetts General Hospital·JournalNew England Journal of Medicine·DateMay 15, 2013