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Science News Archive December 2011 - Page 12


Page 12 of 23

Planting improves heart rate, stress levels of mentally challenged adults

A new study found that planting activities significantly improved heart rate variation measurements and decreased cortisol levels in mentally challenged individuals. The most effective activity for stress relief was topiary crafting, which also showed a significant decrease in emotional stability benefits.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateDec 12, 2011

Discovery could lead to treatment for eye diseases that cause blindness

A Northwestern University study identified a gene that prevents blood vessels from forming in the cornea, which is essential for vision. The researchers hope to use this discovery as a basis for gene therapy to treat multiple eye disorders that cause blindness.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateDec 12, 2011
Apple iPhone 17 Pro

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

Wheat can't stop Hessian flies, so scientists find reinforcements

Researchers at Purdue University and USDA develop method to test toxins on Hessian fly larvae, finding potential solution to failing genetic resistance in wheat. They discovered that snowdrop lectin disrupts digestive function in Hessian flies, slowing their development.

SourcePurdue University·JournalJournal of Insect Physiology·DateDec 12, 2011

URMC study: Most cancer-related blood clots occur in outpatients

A University of Rochester Medical Center study found that nearly 78% of cancer-related blood clots occur in outpatients during chemotherapy treatment. The study's findings suggest a shift towards outpatient care and the need for education and compliance to prevent blood clots.

SourceUniversity of Rochester Medical Center·DateDec 12, 2011

Interactive maps reveal London's history in unprecedented detail

Researchers have created an interactive map that reveals London's social history in unprecedented detail, mapping information from a vast array of sources. The website allows users to explore the capital's past, including crime and punishment, distribution of wealth and poverty, and ownership of consumer goods.

SourceUniversity of Sheffield·DateDec 12, 2011

Exercising harder -- and shorter -- can help Type 2 diabetes

A new study found that exercising at a very high intensity, but for just 30 minutes a week, can lower blood sugar concentrations and reduce post-meal spikes. This short, high-intensity training regimen increased skeletal mitochondrial capacity, a marker of metabolic health.

SourceAmerican Physiological Society·JournalJournal of Applied Physiology·DateDec 12, 2011
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.

Sports medicine researcher studies impact of lockouts, warns NBA of injuries

A sports medicine expert warns NBA players about the potential for serious injuries, particularly Achilles tendon injuries, due to prolonged lockouts. The expert cites a study from the NFL, which found a significant increase in career-threatening injuries after training camps began with minimal preparation.

SourceMediaSource·JournalJournal of Orthopaedic and Sports Physical Therapy·DateDec 12, 2011

Salt-tolerant crops show higher capacity for carbon fixation

Tomato and watermelon crops show higher capacity for carbon fixation under saline conditions. In contrast, lettuce, melon, and pepper crops have lower photosynthetic rates and chlorophyll content, indicating reduced efficiency in CO2 accumulation.

SourceAmerican Society for Horticultural Science·JournalHortScience·DateDec 12, 2011

Intestine crucial to function of immune cells, research shows

Researchers discovered that intestinal B cells acquire functions allowing them to neutralize pathogens while in the gut, a complex balance between beneficial and harmful bacteria. This finding provides insight into the immune system's ability to fight infection without damaging beneficial bacteria and other essential cells.

SourceUniversity of Toronto·JournalNature·DateDec 12, 2011

Zeolite synthesis made easy

Researchers have discovered a novel route for synthesizing EMT zeolites with large pores at near ambient temperature and low pressure. This approach avoids the use of expensive templates, enabling potential industrial applications in catalysis and adsorption.

SourceLudwig-Maximilians-Universität München·JournalScience·DateDec 12, 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.

A small step for lungfish, a big step for the evolution of walking

African lungfish demonstrates unique walking behavior using its thin pelvic limbs, propelling itself forward and lifting its body off the bottom surface. This discovery suggests that many developments necessary for the transition from water to land could have occurred in lobe-finned ancestors of the lungfish long before early tetrapods.

SourceUniversity of Chicago Medical Center·JournalProceedings of the National Academy of Sciences·DateDec 12, 2011

Variations in cardiac procedures related to physician recommendations and hospital characteristics

Researchers analyzed data from 8972 patients with heart blockages to understand variations in cardiac procedures, including bypass surgery and stent placement. They found significant differences in procedure rates based on patient factors, physician recommendations, and hospital characteristics.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateDec 12, 2011

Scientists discover new way to target cancer

Researchers at UWE Bristol and University of Bristol discovered that mutations in one specific cancer gene can control splicing balance, allowing a master switch to be turned on. This enables the growth of cancer cells and blood vessels, but new drugs targeting this process may block tumour growth.

SourceUniversity of Bristol·JournalCancer Cell·DateDec 12, 2011
Celestron NexStar 8SE Computerized Telescope

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

New scanning strategy could help develop heart disease treatments

Researchers from the University of Edinburgh developed an imaging technique using positron emission tomography (PET) scans to predict which patients need open heart surgery. The study found that inflammation and calcification processes are key factors in aortic stenosis, offering new hope for treatments.

SourceUniversity of Edinburgh·JournalCirculation·DateDec 12, 2011

Researchers use new finding to clear bloodstream malaria infection in mice

University of Iowa researchers have found a way to cure mice of bloodstream malaria infections by rescuing an immune system pathway. The study's findings suggest that blocking the action of inhibitory receptor molecules could be an effective strategy for treating existing malaria infections.

SourceUniversity of Iowa Health Care·JournalNature Immunology·DateDec 12, 2011

Plant growth affected by tea seed powder

Researchers found that tea seed powder can either increase or decrease plant growth depending on the application dose. The study suggests that using TSP at the correct dose could improve crop yields and quality in agriculture and horticulture operations.

SourceAmerican Society for Horticultural Science·JournalHortScience·DateDec 12, 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.

Peptide 'cocktail' elicits immune response to multiple myeloma

Researchers at Dana-Farber Cancer Institute have created a peptide cocktail that sparks a stronger diverse immune response in laboratory culture than individual peptides. The combination of four antigenic peptides is believed to provide an effective therapeutic application for patients with multiple myeloma and related diseases.

SourceDana-Farber Cancer Institute·DateDec 12, 2011

New study documents cumulative impact of mountaintop mining

A Duke University study found increased salinity and trace elements in the Upper Mud River due to multiple surface coal mines. The research provides evidence of the cumulative effects of mountaintop mining on a river network.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateDec 12, 2011

NDAR federation creates largest source of autism research data to date

The NDAR federation has created the largest source of autism research data to date, providing a standardized platform for collaboration and data sharing. Researchers can access results from various sources simultaneously, conducting independent analyses and supplementing their own research data.

SourceNIH/National Institute of Mental Health·DateDec 12, 2011

Artificially enhanced athletes

A study from Northwestern University found that banned technical swimsuits played a significant role in the unprecedented number of world records set in swimming during the 2009 world championships. The suits were suspected of reducing drag, improving buoyancy, and compressing muscles, leading to enhanced performance.

SourceNorthwestern University·JournalThe Journal of Strength and Conditioning Research·DateDec 12, 2011
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Study of 2 sisters sheds light on lymphoma evolution

Researchers sequenced DNA from two sisters with follicular lymphoma and found identical BCL2/IGH rearrangements. The study identified 15 mutations that were present in both lymphomas, indicating a donor-recipient transmission of cancer-causing genetic material.

SourceAmerican Association for Cancer Research·JournalCancer Discovery·DateDec 12, 2011

Commentary and podcast on landmark gene therapy clinical trial for hemophilia B

A recent clinical trial in patients with hemophilia B showed that Factor IX gene therapy was able to convert severe hemophilia to moderate or mild disease. The treatment demonstrated a sustained therapeutic effect and eliminated or substantially reduced the need for standard protein replacement.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalHuman Gene Therapy·DateDec 12, 2011

Tiny protein helps bacteria 'talk' and triggers defensive response in plants

Researchers discovered a new bacterial signal that enables invading bacteria to coordinate attacks on plants, but also triggers a defense response in targeted rice plants. The study found that the protein Ax21 is secreted by bacteria and induces an immune response in rice, leading to a stronger defense against infection.

SourceUniversity of California - Davis·JournalPLOS ONE·DateDec 12, 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.

Affordable solar?

A new analysis by Michigan Technological University researchers suggests that solar photovoltaic systems can make electricity cheaper than what consumers pay their utilities. The study reveals that previous assumptions about the cost of solar energy were overly conservative, and that the true cost of photovoltaic technology is lower th...

SourceMichigan Technological University·JournalRenewable and Sustainable Energy Reviews·DateDec 12, 2011

Blood pressure monitoring: Room for improvement

Inaccurate blood pressure measurements from faulty techniques result in misclassified patients and potentially different treatment decisions. A study published by the University of New Mexico found that 93% of patients have different blood pressure readings when using outdated versus updated guidelines.

SourceSpringer·JournalJournal of General Internal Medicine·DateDec 12, 2011

UC Davis researcher develops model to foster new drug development to treat pain and epilepsy

A UC Davis School of Medicine researcher has developed an algorithm that predicts the conformation changes in voltage-gated sodium channels, crucial for designing new drugs to treat chronic pain and epilepsy. This innovation could lead to highly specific and effective therapies with minimal side effects.

SourceUniversity of California - Davis Health·JournalProceedings of the National Academy of Sciences·DateDec 12, 2011

Climate change blamed for dead trees in Africa

A new study published in Journal of Arid Environments found that climate change is causing widespread tree mortality and species loss in the Sahel region of Africa, with one in six trees dying between 1954 and 2002.

SourceUniversity of California - Berkeley·JournalJournal of Arid Environments·DateDec 12, 2011

Autism researchers make exciting strides

A new study by Michigan State University researcher Brooke Ingersoll found that teaching imitation skills to toddlers and preschoolers with autism improves key areas of deficit, such as eye contact and gestures. The findings come at a pivotal time in autism research, which is detecting behaviors and symptoms earlier than ever before.

SourceMichigan State University·JournalJournal of Autism and Developmental Disorders·DateDec 12, 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.

Strict policy raises hospital's worker flu vaccination rate

A California hospital raised its employee influenza vaccination rate above 90 percent by implementing a mandatory vaccination policy. The study, published in Infection Control and Hospital Epidemiology, found that voluntary programs alone were insufficient to achieve meaningful increases in flu vaccination rates.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateDec 12, 2011

Vision scientists demonstrate innovative learning method

Researchers used decoded fMRI neurofeedback to induce brain activity patterns, improving visual performance and learning in a novel approach. The method worked even when test subjects were not aware of what they were learning.

SourceU.S. National Science Foundation·JournalScience·DateDec 12, 2011
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.

New discovery on how the body fights dengue fever

A new study found that mannose-binding lectin (MBL) plays a key role in targeting and destroying dengue viruses. Individuals with high levels of MBL may be better equipped to fight off the disease. This discovery could lead to the development of antivirals and vaccines to boost the immune response.

SourceAmerican Society for Microbiology·JournalmBio·DateDec 12, 2011

Addiction is a disease, and negative attitudes must change

Addiction is a chronic neurobiologic response affected by genetic and environmental influences. Treatment approaches should be based on scientific evidence and rational argument, acknowledging personal responsibility while recognizing the role of addiction in impairing it.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateDec 12, 2011

Early defoliation of Great Lakes wine grapes tested

Researchers found that early defoliation of Great Lakes wine grapes significantly reduces fruit set, cluster weight, and berries per cluster. The study suggests that retaining non-fruiting shoots with all leaves could mitigate the negative carryover effect on vine performance.

SourceAmerican Society for Horticultural Science·JournalHortScience·DateDec 12, 2011

Diamonds and dust for better cement

By using diamonds and dust to simulate extreme pressures, researchers gained new insights into calcium-silicate-hydrate, a critical binder in concrete. The study aims to reduce carbon emissions and create stronger, more efficient cements.

SourceDOE/Lawrence Berkeley National Laboratory·JournalCement and Concrete Research·DateDec 12, 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.

Nature's medicine cabinet could yield hundreds of new drugs

A NYBG scientist estimates that at least 540 to 653 new drugs could be discovered from plants, with potentially thousands more waiting to be evaluated. This analysis highlights the potential value of continuing to screen plants for novel bioactive compounds.

SourceThe New York Botanical Garden·JournalEconomic Botany·DateDec 12, 2011

2-faced leukemia?

A study found that half of tumors from T-cell acute lymphoblastic leukemia (T-ALL) patients expressed genes normally found in stem cells and acute myeloid leukemia (AML) tumors. Additionally, many of these AML-like T-ALL tumors contained specific mutations associated with cancer progression.

SourceRockefeller University Press·JournalJournal of Experimental Medicine·DateDec 12, 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.

How long do electrons live in graphene?

Researchers at Helmholtz-Zentrum Dresden-Rossendorf have measured the lifetime of electrons in graphene in lower energy ranges. The study reveals that the energy of light particles and atomic lattice oscillations influence electron lifetimes, with longer lifetimes observed when excitation energies are lower than lattice oscillations.

SourceHelmholtz Association·JournalPhysical Review Letters·DateDec 12, 2011

Major new study examines explanations for math 'gender gap'

A recent study examines the explanations for the math 'gender gap' and finds that many hypotheses fail to hold up. The research suggests that sociocultural factors, such as education and school attendance patterns, contribute to country-specific differences in boys' and girls' mathematics performance.

SourceAmerican Mathematical Society·JournalNotices of the American Mathematical Society·DateDec 12, 2011

Simple, model-free analysis of voltage-gated channels

A new study by Sandipan Chowdhury and Baron Chanda from the University of Wisconsin-Madison provides a model-free analysis of the free energy of channel opening, offering a rare example of thermodynamic reasoning. This approach circumvents the challenges of model fitting, providing a path forward for researchers in the field.

SourceRockefeller University Press·JournalJournal of General Physiology·DateDec 12, 2011

It's all in the wrapping

A new device, designed to mimic the periosteum, has shown promising results in healing critical-sized bone defects in sheep. The device delivers stem cells, growth factors, and natural components of the periosteum to promote bone growth, and can be used for a range of applications beyond bone healing.

SourceCase Western Reserve University·JournalPLOS ONE·DateDec 12, 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.

As climate change sets in, plants and bees keep pace

Research by Cornell University and Rutgers University found that bees and flowering plants are keeping pace with climate change, arriving earlier in the spring. This shift has been observed since 1970, when warming temperatures accelerated most rapidly, according to the study published in Proceedings of the National Academy of Sciences.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateDec 12, 2011

Rare genetic disorder provides clues to development of the pancreas

A rare genetic disorder has provided insight into pancreatic development, suggesting that GATA6 plays a crucial role in programming stem cells to become pancreatic cells. The study sheds light on the underlying causes of most cases of pancreatic agenesis and may help develop new treatments for type 1 diabetes.

SourceThe Peninsula College of Medicine and Dentistry·JournalNature Genetics·DateDec 12, 2011

Hundreds of threatened species not on official US list

A recent study has found that many US species at risk of extinction are not on the country's official Endangered Species Act (ESA) list. The IUCN Red List, a leading global threatened species list, reveals that up to 95% of certain species groups are missing from the ESA.

SourceUniversity of Adelaide·JournalConservation Letters·DateDec 12, 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.

Alcohol can lead to unsafe sex: It's official

A new study published in Addiction journal found that alcohol consumption directly impacts a person's intention to have unsafe sex. The study analyzed 12 experiments and found a significant increase in the likelihood of unprotected sex with rising blood alcohol levels.

SourceWiley·JournalAddiction·DateDec 12, 2011

New communication code discovered in disease-causing bacteria

Scientists have discovered a new communication code employed by disease-causing bacteria, which is recognized by plant and animal immune receptors. This discovery has significant implications for controlling bacterial diseases and could lead to new methods for treatment.

SourcePLOS·JournalPLOS ONE·DateDec 12, 2011

AML patients have high response rate with vorinostat added to treatment

A Phase II clinical trial of 75 AML patients treated with vorinostat and chemotherapy resulted in an 85% remission rate. Higher-risk patients showed a complete response rate of 100%, while those with -5/-7 cytogenetic alterations fared less well. The Phase III trial will compare this combination to standard-of-care frontline therapies.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateDec 12, 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.