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Science News Archive 2013 - Page 327


Page 327 of 352

Sequencing hundreds of chloroplast genomes now possible

Plant biologists can now sequence hundreds of complete chloroplast genomes simultaneously, facilitating studies on molecular biology and evolution. This breakthrough allows researchers to reconstruct evolutionary relationships and diversifications with unprecedented precision.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateJan 31, 2013

Novel materials shake ship scum

Researchers have created a material that uses physical movement to knock away bacteria, reducing drag and improving energy efficiency on ships. The innovative solution avoids toxic chemicals often found in traditional antibacterial paints.

SourceDuke University·JournalAdvanced Materials·DateJan 31, 2013
Apple iPhone 17 Pro

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

A new mechanism that contributes to the evolution of cancer

Researchers discover collisions between DNA duplication and transcription machineries cause chromosomal alterations in tumor cells. Genomic fragile sites are identified as contributing to genome instability throughout evolution.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalCell·DateJan 31, 2013

In the planetary nursery

Researchers have determined the mass of the disk surrounding young star TW Hydrae, a prototypical planetary nursery, with a lower limit of 52 Jupiter masses. This new value is larger than previous estimates and suggests that planets similar to those in our solar system can form in this system.

SourceMax-Planck-Gesellschaft·JournalNature·DateJan 31, 2013

Biologistics: How fast do chemical trains move in living cells?

The study predicts diffusion coefficients for all proteins in E. coli, enabling a better understanding of chemical reactions in cells. The method developed by the researchers can be applied to other cells and molecules, revolutionizing the field of biologistics.

SourceInstitute of Physical Chemistry of the Polish Academy of Sciences·JournalBMC Bioinformatics·DateJan 31, 2013

Placental blood flow can influence malaria during pregnancy

Researchers have discovered that malaria parasites can accumulate in areas of low placental blood flow, triggering an inflammatory response. This study shows that the dynamics of placental circulation can influence parasite behavior and sequestration, highlighting a new potential target for therapeutics.

SourceInstituto Gulbenkian de Ciencia·JournalPLOS Pathogens·DateJan 31, 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.

This is what a fish thought looks like

Scientists have developed a new technology to see thoughts 'swim' through the brain of a living fish, allowing real-time visualization of neuronal activity during perception. This breakthrough has the potential to unlock complex behaviors, including learning, memory, and emotions, by interpreting specific combinations of neurons.

SourceCell Press·JournalCurrent Biology·DateJan 31, 2013

How cancer cells rewire their metabolism to survive

Researchers at Sanford-Burnham Medical Research Institute discovered that tumors lacking the protein PKCζ can survive on alternative nutrients. The study suggests glucose depletion therapies may work against these tumors as long as they produce PKCζ, which is responsible for tumor metabolism.

SourceSanford Burnham Prebys·JournalCell·DateJan 31, 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.

Evidence of geological 'facelift' in the Appalachians

Researchers found that a region in western North Carolina experienced a geological 'facelift' around 8 million years ago, with gentle hills and abundant waterfalls forming where steeper terrain existed previously. This uplift is attributed to the earth's mantle, which can well up and push the crust upward.

SourceNorth Carolina State University·JournalGSA Today·DateJan 31, 2013

More links found between schizophrenia and cardiovascular disease

A new study published in the American Journal of Human Genetics finds a significant link between schizophrenia and cardiovascular disease. The researchers used a novel statistical model to identify 16 new loci associated with both conditions, including triglyceride levels and waist-hip ratio.

SourceUniversity of California - San Diego·JournalAmerican Journal of Human Genetics·DateJan 31, 2013

Mutant gene gives pigeons fancy hairdos

Researchers decode genetic blueprint of rock pigeon, unlocking secrets about Middle East origins, feral pigeons' kinship with racing birds, and how mutations give pigeons fancy feather hairdos. The study also reveals a single mutation in the EphB2 gene causes head crests to grow upward instead of downward.

SourceUniversity of Utah·JournalScience·DateJan 31, 2013

Cyclone did not cause 2012 record low for Arctic sea ice

A new University of Washington study reveals the Cyclone in 2012 did not cause the record low for Arctic sea ice minimum. Instead, it suggests that natural warming trends and thin ice were the primary factors contributing to the melting.

SourceUniversity of Washington·JournalGeophysical Research Letters·DateJan 31, 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.

Joslin scientists find first human iPSC from patients with maturity onset diabetes of the young

Researchers at Joslin Diabetes Center have successfully generated human induced pluripotent stem cells (hiPSCs) from patients with maturity onset diabetes of the young (MODY), a rare form of diabetes. The hiPSCs offer a powerful tool for studying the genetic mechanisms underlying MODY and testing potential treatments.

SourceJoslin Diabetes Center·JournalJournal of Biological Chemistry·DateJan 31, 2013

Personalized medicine eliminates need for drug in 2 children

Researchers at the University of Montreal used genome-wide analysis to identify a previously unknown type of adrenal insufficiency in two children. The treatment regime eliminated the need for fludrocortisone treatment and reduced lifetime risk of hypertension, saving $10,000 per patient.

SourceUniversity of Montreal·JournalThe Journal of Clinical Endocrinology & Metabolism·DateJan 31, 2013

Vultures foraging far and wide face a poisonous future

A new study tracks vulture movements, revealing they often avoid national parks to scavenge on private farmland, risking exposure to poisonous veterinary drugs. This behavior poses a significant threat to the endangered white-backed vulture species in Africa and India.

SourceDurham University·JournalPLOS ONE·DateJan 31, 2013

Planting trees may not reverse climate change but it will help locally

A study published in BioMed Central's open access journal Carbon Balance and Management suggests that afforestation can lead to cooler summers and wetter conditions in regions like Europe. Planting trees can provide localized benefits by making the surrounding air moister and cooler, sequestering carbon and protecting biodiversity.

SourceBMC (BioMed Central)·JournalCarbon Balance and Management·DateJan 31, 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.

Electronic health records could help identify which patients most need ICU resources

Researchers found that patients' severity of illness is not always strongly associated with their likelihood of being admitted to the ICU. Electronic health records can calculate which patient has the highest risk of death, providing a powerful tool to efficiently use scarce and costly health resources.

SourceMichigan Medicine - University of Michigan·JournalNew England Journal of Medicine·DateJan 31, 2013

New device traps particulates, kills airborne pathogens

A new soft x-ray electrostatic precipitator device effectively captures and kills airborne pathogenic bacteria, viruses, ultrafine particles, and allergens. It has multiple potential applications, including indoor air purification and protection of vulnerable populations.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateJan 31, 2013

Ozone depletion trumps greenhouse gas increase in jet-stream shift

A new study reveals that ozone depletion has a greater impact on the jet stream's southward shift than increasing greenhouse gases. Researchers analyzed wind patterns over a 10-day period and found that ozone depletion was associated with a poleward shift of westerlies, while greenhouse gases were linked to an equatorward shift.

SourcePenn State·JournalScience·DateJan 31, 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.

Gum disease found to worsen infection in animal model of AIDS

A study found that moderate gum disease exacerbated infection and inflammation in a monkey model of AIDS, potentially slowing treatment effects. Researchers emphasize the importance of controlling mild mouth inflammation due to its negative implications on long-term disease progression.

SourceTexas Biomedical Research Institute·JournalJournal of Virology·DateJan 31, 2013

Engineered oncolytic herpes virus inhibits ovarian and breast cancer metastases

A genetically reprogrammed Herpes simplex virus has been engineered to target and kill cancer cells expressing the HER-2 oncogene, specifically breast and ovarian cancer metastases. This breakthrough oncolytic herpesvirus has shown promising results in treating experimental metastasis, holding promise for a novel type of cancer treatment.

SourcePLOS·JournalPLOS Pathogens·DateJan 31, 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.

First ever Welsh-led EU space program launched by Cardiff University

The SPACEKIDS project aims to develop ultra-sensitive cameras using Kinetic Inductance Detectors (KIDs), paving the way for better understanding of the Universe and its own planet. The program is funded by a European Union Framework Programme 7 grant and involves collaboration with leading European institutes.

SourceCardiff University·DateJan 31, 2013

2-step immunotherapy attacks advanced ovarian cancer

A two-step personalized immunotherapy treatment using dendritic cell vaccine and adoptive T cell therapy has triggered anti-tumor immune responses in patients with late-stage ovarian cancer. Four of six patients treated responded to the therapy, showing promising early results.

SourceUniversity of Pennsylvania School of Medicine·JournalOncoImmunology·DateJan 31, 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.

New stroke gene discovery could lead to tailored treatments

A new genetic variant has been identified as a potential target for treatment in reducing stroke risk, with no association found in small vessel disease. The study highlights the need for individualized treatment approaches, given the different genetic mechanisms underlying various types of stroke.

SourceKing's College London·JournalAnnals of Neurology·DateJan 31, 2013

Second-generation CT scanner substantially reduces radiation exposure

Researchers used a second-generation 320-detector row CT scanner to significantly reduce radiation exposure in patients undergoing coronary CT angiography. The new system achieved diagnostic-quality scans with low doses of radiation, reducing effective radiation dose by 72% compared to the first-generation unit.

SourceRadiological Society of North America·JournalRadiology·DateJan 31, 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.

Disparities exist in kidney transplant timing

A recent study published in the Clinical Journal of the American Society of Nephrology found that African Americans and individuals without private insurance are less likely to receive a kidney transplant before needing dialysis. The study examined data from over 11,000 adult first-time deceased donor kidney transplant recipients in th...

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateJan 31, 2013

Health care providers may be at greater risk of flu exposure

A new study suggests that healthcare providers may need to wear fitted respirators for routine care of flu patients due to the high infectiousness of some individuals. The researchers found that small particles can float in the air for hours and travel long distances, making non-fitted masks ineffective.

SourceAtrium Health Wake Forest Baptist·JournalThe Journal of Infectious Diseases·DateJan 31, 2013

How the tilt of a cell-surface receptor prevents cancer

A mutation in a single amino acid on the thrombopoietin receptor alters its structure, causing permanent activation and leading to certain blood cancers. The tilted coils prevent spontaneous activation of the receptor.

SourceLudwig Institute for Cancer Research·JournalProceedings of the National Academy of Sciences·DateJan 31, 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.

Mutant gene responsible for pigeons' head crests

Researchers found a single mutation in the EphB2 gene responsible for creating head crests in pigeons. The study reveals insights into bird evolution and provides new tools to understand animal diversity.

SourceU.S. National Science Foundation·JournalScience·DateJan 31, 2013

Protein origami: Quick folders are the best

A study by HITS researchers found that most proteins evolved to fold faster, with a 'big bang' of complex structures emerging 1.5 billion years ago. The study suggests that faster folding speeds may make proteins less susceptible to aggregation.

SourceHeidelberg Institute for Theoretical Studies (HITS)·JournalPLOS Computational Biology·DateJan 31, 2013

Flat boron by the numbers

Researchers at Rice University have made progress toward creating 2-D boron through theoretical work that suggests the most practical ways to make the material. The team's results indicate that 2-D boron may conduct electricity better than graphene, a key finding in the field of two-dimensional materials.

SourceRice University·JournalAngewandte Chemie International Edition·DateJan 31, 2013

UNC study may lead to treatments that are effective against all MRSA strains

A new strain of MRSA has emerged that can spread beyond hospital walls, putting everyone at risk. Researchers have identified a gene that causes this strain to linger on the skin longer than other strains, making it more susceptible to polyamines, which can be toxic to other forms of the bacteria.

SourceUniversity of North Carolina Health Care·JournalCell Host & Microbe·DateJan 31, 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.

Nanomaterials key to developing stronger artificial hearts

Researchers created ultra-thin cardiac patches using nanotechnology to boost material conductivity and induce heart tissue formation. The novel patches showed excellent mechanical integrity and advanced electrophysiological functions.

SourceBrigham and Women's Hospital·JournalACS Nano·DateJan 31, 2013

NASA's SDO provides first sightings of how a CME forms

Scientists observed a flux rope forming ahead of time in a coronal mass ejection (CME), providing a case study on its formation. The high-temperature plasma glow helped highlight the flux rope, which was then severed from the sun's surface, releasing billions of tons of solar material.

SourceNASA/Goddard Space Flight Center·DateJan 31, 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.

Study finds hormones can change the breast's genetic material

Researchers at Walter and Eliza Hall Institute identify how pregnancy hormones alter DNA tags, controlling gene expression in breast cells. This discovery reveals a potential link between hormonal regulation and breast cancer risk, highlighting the importance of epigenome modifications.

SourceWalter and Eliza Hall Institute·JournalCell Reports·DateJan 31, 2013

Rehabilitation therapies can lead to recovery from chronic fatigue syndrome

Researchers found that cognitive behaviour therapy (CBT) and graded exercise therapy (GET), when combined with specialist medical care, can lead to significant improvements in symptoms and disability for patients with chronic fatigue syndrome. After one year, 22% of participants met the criteria for recovery, compared to 8% who receive...

SourceQueen Mary University of London·JournalPsychological Medicine·DateJan 31, 2013

Just 11 percent of adults, 5 percent of children participate in medical research

A new study from the University of Michigan found that public awareness and matching research needs with participant characteristics are key barriers to participation. The study suggests that effective community engagement can help attract more participants to medical research.

SourceMichigan Medicine - University of Michigan·JournalClinical and Translational Science·DateJan 31, 2013

Gas promises bumper black hole 'weigh-in'

A new technique developed by Oxford University scientists can spot carbon monoxide within gas circling a supermassive black hole, 'weighing' its mass. This breakthrough enables the study of thousands of distant galaxies and spiral galaxies, previously hard to target.

SourceUniversity of Oxford·JournalNature·DateJan 31, 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.

Improved prevention measures fail to reduce HIV levels in men who have sex with men in England and Wales

A UK study found that improved prevention measures failed to reduce HIV levels among men who have sex with men in England and Wales, despite increased testing and treatment rates. The researchers suggest that targeting the most-at-risk groups and initiating treatment earlier may be necessary to bring about a drop in HIV incidence.

SourceThe Lancet_DELETED·JournalThe Lancet Infectious Diseases·DateJan 31, 2013

Blood vessel cells coax colorectal cancer cells into more dangerous state

Researchers at UT MD Anderson Cancer Center found that tumor endothelial cells can trigger changes in cancer cells, making them more resistant to chemotherapy and more likely to spread. This signaling process involves the activation of the Notch molecular pathway and may be targeted by existing drugs under development.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCancer Cell·DateJan 31, 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.