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Science News Archive April 2011


Page 11 of 26

Intellectual disability is frequently caused by non-hereditary genetic problems

Researchers identified mutations in genes associated with brain activity that frequently cause intellectual disability. These de novo mutations disrupt nerve cell communication, affecting at least two-thirds of cases. The study provides new insights into the genetic origins of intellectual disability and may lead to improved diagnostics.

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.

Television 'breakups' cause some viewers distress

A study found that TV viewers who relied on television for companionship felt the most distressed when their favorite shows temporarily went off the air during the 2007-08 writers' strike. The study also showed that women were more likely to cope with this distress by engaging in social activities.

Simple injection could limit damage from heart attacks and stroke

A new injection has been developed to limit the devastating consequences of heart attacks and strokes, with potential applications in transplant surgery. The injection targets a key enzyme responsible for inflammation, neutralizing its effects and significantly reducing tissue damage.

Climate change psychology: Coping and creating solutions

A special issue of American Psychologist explores the role of psychology in understanding and addressing global climate change. The issue highlights the importance of psychological factors in shaping human behavior, particularly in the context of low-carbon technologies, economic incentives, and information dissemination.

Obesity not always protective following surgery

Researchers found obese patients with metabolic syndrome and high blood pressure are at substantial risk for cardiac, pulmonary, and neurologic complications. The study provides a simple way to identify patients who may face higher risks following surgery.

Apple iPhone 17 Pro

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

Sugarcane cools climate

Scientists found that sugarcane has a double benefit: reducing carbon emissions and cooling the local climate. The study, published in Nature Climate Change, shows that expanding sugarcane crops in areas previously occupied by other Brazilian crops can lower air temperatures by up to 1.67°F (0.93°C).

Ancestors of land plants revealed

New research reveals that conjugating green algae, such as Spirogyra, are the closest living relatives to land plants, contrary to the previously accepted theory. The study analyzed genetic divergence in 129 genes from 40 different green plant taxa and found significant evidence supporting this new finding.

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.

L-lysine may help schizophrenia sufferers cope

A pilot study found that L-lysine reduced severity of symptoms and improved functional ability in eight out of ten patients with schizophrenia. The treatment showed a general trend for improvement due to treatment with lysine, but results were confounded by the beneficial effect of lysine continuing after treatment stopped.

Polarized microscopy technique shows new details of how proteins are arranged

Rockefeller scientists have developed a new polarized microscopy technique that can help deduce the orientation of specific proteins within cells. By harnessing the unique properties of polarized light, researchers have filled in the gaps left by other techniques and made important new discoveries about protein complexes.

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.

Missing the gorilla

A study by University of Utah psychologists found that individuals with lower working memory capacity are more prone to inattention blindness, missing a person in a gorilla suit walking across the screen. This suggests that people with better control over their attention may be more likely to notice unexpected events.

Successful strategy developed to regenerate blood vessels

Researchers at University of Western Ontario developed a strategy to stimulate blood vessel formation in tissues lacking oxygen, potentially treating conditions like coronary artery disease. The approach, using fibroblast growth factor 9 (FGF9), activates supporting cells that create functional new vessels that last over a year.

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.

NIH scientists identify gene that could hold the key to muscle repair

Researchers at the National Institute of Arthritis and Musculoskeletal and Skin Diseases have identified a key player in muscle repair: the gene Ezh2. By activating this gene, satellite cells may proliferate and compensate for underlying defects, potentially increasing quality of life for individuals with degenerative diseases.

New patient guidelines for heart devices

Cardiac specialists will use new guidelines to determine who should receive a mechanical heart-pumping device. The guidelines have the potential to change clinical practice patterns for patients with severe heart failure. Dr. Morgan's presentation at the ISHLT annual meeting in San Diego highlights the importance of these changes.

Molecular messages from the antennae

Researchers at Max Planck Institute for Chemical Ecology sequenced the antennal transcriptome of the tobacco hornworm moth, revealing specific proteins involved in olfaction. The study identifies 18 odorant binding proteins and 21 chemosensory proteins, providing new insights into the insect's ability to detect and process odor molecules.

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.

Breast cancer prognosis goes high tech

Researchers at the University of Calgary developed a new digital tool using fractal dimension analysis to assess breast cancer tumours. The method provides an objective and reproducible measure of tissue abnormality and aggressiveness, promising more accurate risk assessment and therapeutic decisions.

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.

Genital herpes more virulent in Africa than in US

Researchers found that vaccine candidates were more efficacious against US-strain genital herpes, while African viruses required higher doses for similar protection. The study's findings offer hope for developing a potent vaccine to prevent HIV transmission in Africa.

The watched pot and fast CMEs

Solar activity has increased significantly after a three-year period of minimal sunspot activity, signaling the start of Solar Cycle 24. The longest recorded period of inactivity began in 2008 and lasted until this year.

Secrets of a precision protein machine

A Berkeley Lab-led team has solved the structure of human FEN1, a key player in DNA replication and repair. The study reveals how FEN1 binds to DNA, opens it by severely bending the template strand, and prepares flaps for joining to new fragments.

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.

Twitter and natural disasters

The study found that Twitter users in disaster-stricken areas tended to tweet about their unsafe situation, while those in remote areas posted updates to let their followers know they were safe. The researchers also identified numerous unreliable retweets and low signal-to-noise ratio for messages using hashtags.

Researchers link alcohol-dependence impulsivity to brain anomalies

A new study found that impulsive choice in alcohol dependence may be linked to functional anomalies in brain regions involved in cognitive and emotional control. Individuals with more severe AUDs showed increased activity in regions such as the insula and supplementary motor area when delaying gratification.

Celestron NexStar 8SE Computerized Telescope

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

Large study finds ICS therapy reduces pneumonia mortality

A large retrospective analysis of 15,768 COPD patients found that ICS therapy significantly reduced all-cause mortality, particularly at 90-day intervals. This study contradicts previous expert assumptions and provides new insights into the use of ICS in pneumonia treatment.

Ag firms outperform S&P 500

Agricultural companies have shown a stable and profitable performance over the past several years, outperforming the S&P 500 index with an 8.6% market value increase from 2007 to 2011. The top-performing sectors were fertilizer, equipment, and seed and genetic companies.

Search for dark matter narrowed by new data from XENON100

The XENON collaboration has announced results from a 100-day experiment, revealing no evidence of Weakly Interacting Massive Particles (WIMPs), leading candidates for dark matter. The high sensitivity achieved by the XENON100 detector may allow future detection in the near future.

Human rules may determine environmental 'tipping points'

A new study finds that human responses to a changing environment determine environmental tipping points in ecosystems. Regulatory choices can influence behavior and alter ecosystem outcomes. Strong institutional support is crucial for effective management.

Preserving a world favorite flavour

Scientists at the University of Nottingham's Malaysia campus are working on a new method to improve the commercial production of vanilla plants through tissue culture. The research aims to overcome issues with genetic instability in micropropagated sub-clones, which can lead to reduced quality and yield.

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.

Brain bypass surgery sparks restoration of lost brain tissue

Researchers observed a 5.1% increase in brain tissue thickness after brain bypass surgery, reversing loss and improving neurocognitive function in patients with impaired blood flow. The study offers hope for treating chronic cerebrovascular disease and its associated neurocognitive impairment.

Nationwide study finds US meat and poultry is widely contaminated

A nationwide study found nearly half of US meat and poultry samples contaminated with drug-resistant Staphylococcus aureus. The bacteria can cause serious illnesses like pneumonia, endocarditis, and sepsis, highlighting the need for a more comprehensive inspection program.

Another reason not to binge drink

A Loyola University Health System study found that binge drinking can change the body's immune system response to orthopaedic injury, complicating trauma care. This means that measuring chemical markers in the blood may be misleading when alcohol is involved.

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.

Childhood eczema and hay fever leads to adult allergic asthma

A new study found that children with eczema are nine times more likely to develop allergic asthma in their 40s. The research, published in the Journal of Allergy and Clinical Immunology, suggests that preventing childhood eczema and hay fever may prevent adult asthma.

Blood test could predict metastasis risk in melanoma

A blood test has identified seven plasma biomarkers that can predict the risk of metastasis in melanoma patients. The test was tested on 216 individuals and showed a high accuracy rate of 0.898, indicating its potential for use in clinical settings.

How beliefs shape effort and learning

A study published in Psychological Science found that individuals with different theories of intelligence evaluate their own learning differently. Entity theorists tend to disengage when faced with challenges, while incremental theorists believe more time and effort can lead to better results.

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.

When it comes to carbon footprints, location and lifestyle matter

A new study by researchers at UC Berkeley reveals that who you are and where you live significantly affect which activities have the largest impact on reducing greenhouse gas emissions. An online calculator allows households to track and reduce their carbon footprint by analyzing location, lifestyle, and household type.

NIH researchers complete whole-exome sequencing of skin cancer

Researchers from the NIH have completed a comprehensive genome analysis of skin cancer, revealing key mutations that contribute to melanoma. The study identified 16 genes deemed to be melanoma driver mutations, including the oncogene BRAF and the ionotropic glutamate receptor gene GRIN2A.

Non-cardiac surgery: Safe for patients with heart device

A study at Henry Ford Hospital found that non-cardiac surgery can be performed safely in patients with a heart device. The study looked at the management of blood-thinning medication and found no complications due to bleeding or device malfunctions.

Fluke 87V Industrial Digital Multimeter

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

SLU neurosurgeon pushes brain bypass to new heights

SLU professor of neurosurgery Saleem Abdulrauf's high-flow brain bypass procedure improves treatment outcomes by reducing invasive procedures and maintaining blood flow in the brain. The technique is built upon the original brain bypass surgery developed in the 1960s and has been recognized for its potential to minimize recovery time.

Israeli media increase division between people

A study by Matt Evans finds that Israeli media frame information to separate secular and religious Jewish communities, using techniques such as selective reporting and emotive language. This division is not limited to Israel, with similar framing tactics observed in the US media.

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.