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Science News for February 17, 2011


Unraveling how prion proteins move alon axons in the brain

A study published in Cell identified the motors driving non-infectious prion proteins up and down long neuronal transport pathways. The research sheds light on how these proteins interact with infectious forms to cause disease, potentially aiding therapies for neurodegenerative diseases like Alzheimer's.

SourceUniversity of California - San Diego·JournalCell·DateFeb 17, 2011
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.

Male fertility is in the bones

Researchers found that osteocalcin produced in bone enhances testosterone production in testes, supporting sperm survival. This discovery links the skeleton to male fertility and may provide insights into unexplained infertility cases.

SourceCell Press·JournalCell·DateFeb 17, 2011

Healthy lifestyle, positive attitude can help improve patient outcomes

Researchers found that patients who smoke, misuse alcohol, have poor blood sugar control, or have a negative mindset prior to surgery are more likely to experience post-operative complications. Quitting smoking and maintaining good lifestyle habits can significantly reduce these risks.

SourceAmerican Academy of Orthopaedic Surgeons·DateFeb 17, 2011

Cigarette smoking increases production of mucus in patients with bronchitis

Researchers found that cigarette smoke suppresses protein Bik, leading to sustained mucus cell growth and airway obstruction. The study's findings suggest a potential therapeutic target for reducing excess mucus secretion in chronic bronchitis patients.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateFeb 17, 2011
Apple iPhone 17 Pro

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

Residual dipolar couplings unveil structure of small molecules

Researchers unveil structure of small molecules by analyzing residual dipolar couplings in partially aligned samples. This new approach provides valuable structural information, even when traditional methods fail.

SourceTechnical University of Munich (TUM)·JournalAngewandte Chemie International Edition·DateFeb 17, 2011

Identification of glaucoma gene brightens view for future therapies

A team of investigators has identified a new candidate gene for primary open angle glaucoma (POAG), the most common form of eye disorder. The gene, ADAMTS10, is involved in processing extracellular matrix and may play a role in regulating aqueous humor outflow.

SourceVanderbilt University Medical Center·JournalPLOS Genetics·DateFeb 17, 2011

Scientists uncover surprising features of bear hibernation

Black bears experience large decreases in metabolism during hibernation, with metabolic rates remaining suppressed for several weeks after emergence. This finding has significant implications for potential applications in emergency medicine, such as reducing metabolic demand in patients experiencing stroke or trauma.

SourceUniversity of Alaska Fairbanks·JournalScience·DateFeb 17, 2011

Swedish discovery could lead to new stroke therapy

Researchers at Lund University have found a way to activate the sigma-1 receptor protein, which plays a key role in brain recovery after a stroke. This discovery could lead to new and more effective treatments for stroke patients.

SourceLund University·JournalBrain·DateFeb 17, 2011
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.

Catching space weather in the act

The IBEX spacecraft has taken unprecedented photos of the plasma sheet, a complex region surrounding Earth's magnetic field. The images show a plasmoid being ejected into space, providing direct visual evidence of space weather events that can cause auroras and radiation failures.

SourceNASA/Goddard Space Flight Center·DateFeb 17, 2011

Study suggests statins may prevent diabetic-related blindness

Researchers found that statin drugs can prevent free radicals from killing nerves important to maintaining vision in people with diabetes. The study suggests that oral treatment with atorvastatin can restore proper levels of nerve growth factor and preserve neurons in the retina.

SourceUniversity of Georgia·JournalDiabetologia·DateFeb 17, 2011

NASA infrared satellite data see an intensifying Tropical Storm Dianne

NASA's Aqua satellite reveals Tropical Storm Dianne is getting organized, with bands of thunderstorms wrapping into the center indicating strengthening. The Joint Typhoon Warning Center expects Dianne to intensify and move south on Feb. 18 while remaining well west of the Australian coast.

SourceNASA/Goddard Space Flight Center·DateFeb 17, 2011

Choose less contaminating products thanks to eco-labeling

A researcher has developed an eco-labeling system to provide environmental information on product carbon footprints, enabling consumers to make informed choices. The system, based on a method composed of financial accounts, estimates the ecological and carbon footprint of goods and services throughout their life cycle.

SourceSpanish Foundation for Science and Technology·JournalThe International Journal of Life Cycle Assessment·DateFeb 17, 2011
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 in public housing play outdoors more

Researchers discovered that young children living in public housing spend more time playing outdoors than their peers, with a significant link to lower body mass indexes (BMIs). Mothers' perceptions of neighborhood environments also played a key role in predicting children's outdoor playtime and TV watching habits.

SourceRice University·JournalSocial Science & Medicine·DateFeb 17, 2011

Ben-Gurion U. research leads to improved calcium supplement derived from crustacean shells

A team of BGU researchers has created a unique calcium supplement form that provides higher biological absorption and retention rates. The supplement, derived from unstable calcium carbonate, showed significant benefits in laboratory animals, with improved blood and bone absorption rates.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalJournal of Bone and Mineral Research·DateFeb 17, 2011

Magma power for geothermal energy?

A team of scientists drilling near an Icelandic volcano hit magma in 2009, resulting in a potentially game-changing discovery for geothermal energy. The team estimated that the steam generated from the magma could power up to 25,000 homes.

SourceUniversity of California - Davis·JournalGeology·DateFeb 17, 2011
Meta Quest 3 512GB

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

Checklist cuts lethal ventilator-associated lung infections

A simple checklist designed by Johns Hopkins researchers significantly reduces ventilator-associated pneumonia cases by over 70% in Michigan hospitals. The intervention, combined with education and a culture of patient safety, saves tens of thousands of lives and millions of dollars in healthcare costs.

SourceJohns Hopkins Medicine·JournalInfection Control and Hospital Epidemiology·DateFeb 17, 2011

Carnegie Mellon's Matyjaszewski to receive Wolf Prize in Chemistry

Krzysztof Matyjaszewski will be recognized for his groundbreaking research in synthesis of organic materials and controlled radical polymerization. His work has led to the development of innovative materials with tailored functionalities, enabling applications in energy, environment, and biomedicine.

SourceCarnegie Mellon University·DateFeb 17, 2011

Total knee replacement patients functioning well after 20 years

A recent study found that total knee replacement patients retain high levels of functionality 20 years after surgery, defying common concerns about long-term decline. The study revealed that 95% of patients could walk at least five blocks and nearly half had unlimited walking abilities.

SourceAmerican Academy of Orthopaedic Surgeons·DateFeb 17, 2011
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.

Shining a light on trypanosome reproduction

Trypanosomes, a distant branch of the eukaryote tree, have been found to reproduce sexually through meiosis, a process previously thought unclear. The study uses fluorescently-tagged proteins to visualize the process inside the tsetse fly.

SourceUniversity of Bristol·JournalProceedings of the National Academy of Sciences·DateFeb 17, 2011

Warm weather may hurt thinking skills in people with MS

Research found that individuals with MS performed better on learning and memory tests during cooler days compared to warmer days. The study suggests a link between warm weather and cognitive impairment in people with MS, which could inform life decisions and clinical treatment.

SourceAmerican Academy of Neurology·JournalNeurology·DateFeb 17, 2011

The brain as a 'task machine'

Researchers found that the brain area responsible for reading is active in blind individuals who read Braille, challenging the idea of sensory specialization. The study suggests that the brain is a task-oriented system that can adapt to new tasks without prior experience.

SourceCell Press·JournalCurrent Biology·DateFeb 17, 2011
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.

Compact high-temperature superconducting cables demonstrated at NIST

Researchers at NIST have developed compact high-temperature superconducting cables with improved strain tolerance, enabling thinner and more flexible cables for electric power grid applications. The new cables may also be used in scientific and medical equipment, as well as for military applications such as HTS power transmission.

SourceNational Institute of Standards and Technology (NIST)·JournalSuperconductor Science and Technology·DateFeb 17, 2011

Bears uncouple temperature and metabolism for hibernation, new study shows

Researchers discovered that Alaskan black bears only reduce their body temperatures slightly during hibernation, yet experience a dramatic decline in metabolic activity, slowing to 25% of normal rates. The bears' metabolism remained suppressed for several weeks after emerging from hibernation.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateFeb 17, 2011
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.

Rewrite the textbooks

Researchers at Northwestern University have made a groundbreaking discovery in the field of neuroscience, finding that axons can transmit signals to the cell body and even communicate with each other. This challenges conventional wisdom on how neurons operate, revealing a new layer of complexity in neural communication.

SourceNorthwestern University·JournalNature Neuroscience·DateFeb 17, 2011

The real avatar

Swiss researchers employ virtual reality and brain imaging techniques to investigate the science behind self-consciousness. By immersing subjects in avatar environments, they explore how the brain integrates touch and vision to create a coherent perception of the body.

SourceEcole Polytechnique Fédérale de Lausanne·DateFeb 17, 2011

Skeleton regulates male fertility

Researchers found that osteocalcin enhances testosterone production, leading to improved sperm count and reproductive success in male mice. The study suggests that low osteocalcin levels may contribute to male infertility in humans.

SourceColumbia University Irving Medical Center·JournalCell·DateFeb 17, 2011
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.

Sleeping Trojan horse to aid imaging of diseased cells

Researchers at Cardiff University have developed a 'sleeping Trojan horse' delivery system that enables the efficient transport of metal ions into cells, opening up new possibilities for medical imaging. This innovative approach resolves some of the difficulties associated with traditional 'Trojan Horse' techniques.

SourceCardiff University·JournalChemical Communications·DateFeb 17, 2011

To increase physical activity, focus on how, not why

A new University of Missouri study found that behavior-changing strategies like self-monitoring and goal-setting significantly increased physical activity levels among healthy adults. The research suggests focusing on practical strategies rather than trying to change attitudes or beliefs about exercise.

SourceUniversity of Missouri-Columbia·JournalAmerican Journal of Public Health·DateFeb 17, 2011
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.

Engineering atomic interfaces for new electronics

A team of scientists has made fundamental discoveries at oxide material interfaces, discovering how to manipulate electrons by inserting a single layer of atoms. The researchers found that the rare-earth element layer creates an electron gas with unique characteristics.

SourceUniversity of Wisconsin-Madison·JournalScience·DateFeb 17, 2011

Biomarker discovery may lead to reliable blood test for ectopic pregnancy

Researchers at The Wistar Institute and University of Pennsylvania School of Medicine have discovered protein markers that could predict ectopic pregnancies. A panel of biomarkers, weighing individual proteins' relative importance, may create a more sensitive and reliable test for detecting ectopic pregnancies.

SourceThe Wistar Institute·JournalJournal of Proteome Research·DateFeb 17, 2011

Neisseria meningitidis disseminates itself by sending out 'scouts'

Researchers at Inserm discovered that Neisseria meningitidis uses a strategy called 'scouting' to disperse from the throat into the bloodstream. This process involves the modification of pilin proteins with phosphoglycerol, which triggers dissemination and allows bacteria to colonize other areas of the throat and cross cell walls.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalScience·DateFeb 17, 2011
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.

Beyond tender loving care: 'TLCs' promise health and happiness

Lifestyle changes such as exercise and spending time in nature can be as effective as medication to treat depression and anxiety. Therapeutic lifestyle changes also promote cognitive function, overall well-being, and social skills, while reducing stress and promoting joy.

SourceAmerican Psychological Association·JournalAmerican Psychologist·DateFeb 17, 2011

Taking brain-computer interfaces to the next phase

Researchers at EPFL developed a brain-computer interface that learns to recognize users' mental intentions, allowing for multitasking and reducing fatigue. The system uses statistical analysis and probability theory to distinguish between commands and enable users to control devices over longer periods.

SourceEcole Polytechnique Fédérale de Lausanne·DateFeb 17, 2011
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.

Improving microscopy by following the astronomers' guide star

Researchers have developed a new strategy to improve microscopy by following the astronomers' guide star technique, allowing for sharper images of biological samples. This method uses adaptive optics and two-photon fluorescence microscopy to correct for light waves hitting cells in different directions.

SourceHoward Hughes Medical Institute·DateFeb 17, 2011

Planning for a nuclear future

Researchers from six UK universities are studying how daily radiation exposure damages graphite blocks in nuclear power reactors. The study aims to help nuclear utility companies plan for the future and improve manufacturing processes.

SourceUniversity of Leeds·DateFeb 17, 2011

Pollution triggers genetic resistance mechanism in a coastal fish

A study by Woods Hole Oceanographic Institution reveals that Atlantic tomcod have developed a genetic resistance to PCBs, allowing them to thrive in the polluted Hudson River. The researchers identified a single genetic receptor responsible for this adaptation, which may also impact their ability to break down other harmful chemicals.

SourceWoods Hole Oceanographic Institution·JournalScience·DateFeb 17, 2011
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.

Plants cloned as seeds

Researchers have successfully cloned plants as seeds, paving the way for hybrid crop plants that can breed true. The breakthrough uses a process called apomixis, where eggs and sperm are haploid, allowing diploid eggs to be produced without sexual recombination.

SourceUniversity of California - Davis·JournalScience·DateFeb 17, 2011

Canadian brainpower at AAAS in Washington

Three Canadian researchers present innovative findings on the cognitive benefits of bilingualism, the early stages of language acquisition, and the neurological basis of stuttering. Their work has significant implications for our understanding of human brain function and development.

SourceNatural Sciences and Engineering Research Council·DateFeb 17, 2011

Researchers work at the frontiers of islet cell transplantation

Two studies investigate the role of bone marrow stem cells in diabetic therapy and islet cell regeneration, offering new therapeutic possibilities. Researchers also focus on improving pancreatic islet culture and preservation techniques to prolong the survival and functionality of islet cells in vitro.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateFeb 17, 2011

World's first skyscraper was a monument to intimidation

The world's first skyscraper, discovered in ancient Jericho, was likely built as an earthly element connecting residents with the heavenly element of the setting sun. Researchers propose that its construction was related to primeval fears and cosmological beliefs.

SourceAmerican Friends of Tel Aviv University·JournalAntiquity·DateFeb 17, 2011
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.

Research predicts future evolution of flu viruses

Researchers developed a new approach to predict which flu strain will be prevalent in a given year by tracking pairs of genetic changes. This method offers insights into epistasis, where mutations interact with each other to affect the virus's fitness. By analyzing these interactions, scientists can gain early warnings of emerging muta...

SourcePLOS·JournalPLOS Genetics·DateFeb 17, 2011

Study links social security improvements to longer life span

A new study suggests that improved Social Security benefits lead to lower mortality rates and increased life expectancy among people over 65. The researchers found that this demographic benefited most from the changes, with a 50% increase in decline rates following the introduction of Social Security in 1940.

SourceNew York Medical College·JournalJournal of Public Health Policy·DateFeb 17, 2011

Eggs' quality control mechanism explained

Scientists have made progress in understanding the role of p63 in eliminating damaged egg cells before they mature. A study found that a specific form of p63, TAp63a, is activated by DNA damage and triggers cell death.

SourceCell Press·JournalCell·DateFeb 17, 2011

First-of-its-kind study shows benefits of electrical stimulation therapy for people paralyzed by spinal cord injury

Researchers found that functional electrical stimulation (FES) therapy worked better than conventional occupational therapy alone to increase patients' ability to pick up and hold objects. FES therapy also improved daily activities such as dressing and eating, with significant implications for quality of life and independence.

SourceToronto Rehabilitation Institute·JournalNeurorehabilitation and Neural Repair·DateFeb 17, 2011
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.

Scientists build world's first anti-laser

The team built a functioning anti-laser called a coherent perfect absorber (CPA), which absorbs 99.4% of incoming light and could pave the way for novel technologies in optical computing and radiology.

SourceYale University·JournalScience·DateFeb 17, 2011

2010 International Science and Engineering Visualization Challenge winners announced

The 2010 International Science and Engineering Visualization Challenge recognized winners for their visually striking and informative entries, including a video tracking trash disposal and a poster on fungi's complex uses. The challenge honors scientists who use visual media to promote understanding of scientific research.

SourceAmerican Association for the Advancement of Science (AAAS)·DateFeb 17, 2011

Cell-phone use not related to increased brain cancer risk

A new study published in Bioelectromagnetics suggests that radio frequency exposure from cell phones does not increase the risk of developing brain cancers. The researchers found no statistically significant change in brain cancer incidence rates between 1998 and 2007, contradicting some previous studies.

SourceUniversity of Manchester·JournalBioelectromagnetics·DateFeb 17, 2011

A genetic mutation allows Hudson River fish to adapt to PCBs

A study found that a population of Hudson River fish evolved rapidly in response to PCB pollution, with a single gene responsible for their ability to withstand the toxic chemicals. The study's findings suggest that this genetic adaptation allowed the fish to survive lethal heart defects triggered by PCBs.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalScience·DateFeb 17, 2011
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.

Broader psychological impact of 2010 BP oil spill

A study published in Environmental Health Perspectives found that people living in coastal communities with and without direct oil exposure showed clinically significant levels of depression and anxiety. Those with income loss due to the spill had higher rates of depression and were less resilient.

SourceUniversity of Maryland Medical Center·JournalEnvironmental Health Perspectives·DateFeb 17, 2011

Promise of genomics research needs a realistic view

A new commentary by four experts cautions against inflated expectations in genomics research, highlighting the need for balance and realism. They recommend reevaluating funding priorities, fostering statistical rigor, and developing high-quality evidence before integrating genomic ideas into medical practice.

SourceUniversity of North Carolina Health Care·JournalScience·DateFeb 17, 2011
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.

2 knee replacements may be better than 1

Patients who underwent simultaneous bilateral knee replacement had a lower risk of major joint infection and mechanical malfunction compared to those with staged procedures. However, they also experienced higher rates of heart attacks and pulmonary embolisms.

SourceAmerican Academy of Orthopaedic Surgeons·DateFeb 17, 2011

Subtle shifts, not major sweeps, drove human evolution

A new international study found that classic selective sweeps may have played a smaller role in human evolution than thought. Researchers analyzed nearly 200 human genomes and found that smaller changes in multiple genes may have been the primary driver of human adaptation.

SourceUniversity of Chicago Medical Center·JournalScience·DateFeb 17, 2011

Asthma tied to bacterial communities in the airway

Researchers found a richer bacterial community in asthmatic patients' airways compared to healthy individuals, with increased diversity and specific organisms correlated with sensitivity. The study suggests new treatment approaches for asthma and may shed light on the role of microbiota in other diseases.

SourceUniversity of California - San Francisco·JournalJournal of Allergy and Clinical Immunology·DateFeb 17, 2011
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.