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Science News Archive November 2010


Page 10 of 27

OSU, Oxford, others launch citizen scientist climate modeling initiative

A new citizen scientist initiative is expanding regional climate modeling efforts, exploring southern Africa, Europe, and the western US, using idle computers of thousands of volunteers. The project aims to fine-tune future climate models by comparing simulations with real data and analyzing changes over the past 50 years.

Apple iPhone 17 Pro

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

Advance toward controlling fungus that caused Irish potato famine

Researchers have isolated a key hormone, alpha-1, that allows Phytophthora to reproduce, leading to extensive damage to food crops and ornamental plants. The synthesis of a synthetic version of the hormone offers a promising basis for developing an effective method to control the fungus.

Caltech physicists demonstrate a four-fold quantum memory

Researchers at Caltech have demonstrated quantum entanglement for a four-part quantum state stored in four spatially distinct atomic memories. The team successfully created quadripartite entanglement by entangling the spin waves among four collections of Cesium atoms, which were then transferred to four beams of light.

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.

Vitamin C: A potential life-saving treatment for sepsis

Researchers have found that vitamin C can prevent the onset of sepsis and even reverse the disease by restoring blood flow to vital organs. Early and delayed injections of vitamin C have been shown to improve survival rates in mice with sepsis, making it a promising treatment option.

Nanoscale probe reveals interactions between surfaces and single molecules

A team of researchers developed a dual scanning tunneling and microwave-frequency probe to study nanoscale interactions, enabling the measurement of physical, chemical, and electronic interactions between single molecules and substrates. The probe can locate and switch single molecule switches on substrates with high resolution.

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.

Rett syndrome mobilizes jumping genes in the brain

Researchers found that a mutation in the MeCP2 gene leads to the mobilization of L1 retrotransposons in brain cells, reshuffling their genomes and possibly contributing to the symptoms of Rett syndrome. This discovery sheds light on the complexity of molecular events underlying psychiatric disorders such as autism and schizophrenia.

Study finds evidence of gender bias toward diagnosing boys with autism

Researchers found boys are more likely to receive an autism diagnosis despite equally severe symptoms, suggesting a gender bias in diagnosis. The study also discovered older mothers are better at identifying their children's difficulties and have more confidence in bringing concerns to the clinic.

Cholesterol-lowering statins boost bacteria-killing cells

Researchers at the University of California, San Diego discover that statins activate white blood cells' ability to kill bacteria. Statins stimulate phagocytes to release extracellular traps that ensnare and kill bacteria before they spread in the body.

Preterm birth rates improve in most states

The US saw a two-year decline in preterm birth rates, primarily among babies born just weeks early, while many states improved in at least one contributing factor. The overall national rate remains high compared to top-scoring countries.

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.

Structure of Lassa virus protein reveals viral thievery

The structure of Lassa virus protein reveals how it evades the host's immune system and hijacks infected cells' machinery. Scientists discovered a unique mechanism called cap-stealing, where the virus steals the host cell's RNA cap to suppress interferon production.

Pelletized manure reduces toxic runoff

A recent study by the University of Delaware found that pelletized manure and no-tillage treatments can significantly reduce estrogen concentrations in manure runoff. The study, published in the Journal of Environmental Quality, suggests that measuring all forms of estrogens is crucial to understanding their environmental impact.

Study: Employers, workers may benefit from employee reference pool

A centralized reference pool could help employers and workers by providing a legal safe harbor for employees and allowing them access to references while also enabling recourse through a neutral third party. This system would promote the flow of accurate information with low transaction costs, making labor markets more efficient.

NIH scientists show how anthrax bacteria impair immune response

Researchers found that anthrax bacteria use CMG2 receptors to impair the scavenging action of neutrophils and macrophages, allowing the bacteria to multiply and overwhelm the body's defenses. Studying genetically modified mice revealed that mice without CMG2 receptors on immune cells were completely resistant to infection.

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.

Rare earth elements in US not so rare

The US Geological Survey estimates approximately 13 million metric tons of rare earth elements exist in known deposits across the country. Significant deposits have been found in 14 states, including California, Alaska, and Wyoming.

Light at night causes changes in brain linked to depression

Researchers found that dim light exposure caused physical changes in the brains of female Siberian hamsters, including a reduced density of dendritic spines in the hippocampus. This is associated with increased depressive-like behaviors and may be linked to melatonin production.

Researchers trap antimatter atoms

A team of researchers from the University of Calgary has successfully trapped atomic antimatter, a significant breakthrough in understanding fundamental physics. The discovery opens up new possibilities for studying antimatter and its properties.

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.

Wednesday news tips: Nov. 17, 2010

A new study found that ICD patients often do not receive optimal medical therapy, while a promising anti-arrhythmic agent and mobile phone-based telemonitoring system showed significant improvements in heart rhythm and blood pressure control. The study also revealed no increased risk of cancer associated with statin use.

A new twist for nanopillar light collectors

Researchers have developed dual-diameter nanopillars that absorb light as well or even better than commercial thin-film solar cells, using less semiconductor material. The new structure, designed by Ali Javey and his team, enables fine control over geometry and shape of the single-crystalline nanopillar arrays.

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.

UWM research offers hope for treatment of cocaine addiction

Researchers at UWM have discovered a potential treatment for cocaine addiction that blocks memory retrieval associated with drug use. The study shows propranolol to be effective in preventing relapse by replacing cocaine-associated memories with neutral associations.

Cardiac MR sheds light on obscure heart muscle condition

A study using advanced imaging technologies has shed new light on left ventricular non-compaction (LVNC), a cardiomyopathy associated with heart failure, stroke, and arrhythmias. The research reveals that developing cardiac risks appear to progress over time in patients with LVNC.

OpenStudy aims to create worldwide study group

OpenStudy enables students worldwide to form study groups and connect with peers in real-time, receiving significant gratification from helping others. With over 11,000 users across 151 countries, the platform has already made a notable impact on global education, promoting peer recognition and motivation.

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.

Chemicals' study pinpoints threat to workers' lungs

A University of Edinburgh study reveals that nanoparticles used in various products can cause distinct lung injuries in rats, with some triggering asthmatic reactions and others leading to severe damage. Researchers emphasize the need for improved testing methods to assess nanoparticle risks.

Hearing loss study reveals role of bone hardness in tissue function

Scientists discovered that blocking a molecule's function decreased bone hardness, causing hearing loss, while reactivating it restored the bone's hardness and hearing. The study reveals a molecular pathway regulating bone matrix properties, which may explain rare hearing disorders and connect to conditions like osteoporosis.

Coaching with compassion can 'light up' human thoughts

Researchers at Case Western Reserve University found that coaching styles can activate the brain's Positive Emotional Attractor, leading to increased cognitive functioning, openness, and better functioning. In contrast, critical or judgmental coaching methods can lead to the Negative Emotional Attractor, causing people to defend themse...

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.

New initiative to develop a system that controls prosthetic limbs naturally

A new $5.6 million initiative aims to create a system that controls prosthetic limbs naturally by sensing and stimulating nerve activity. The Vanderbilt team, in collaboration with SMU researchers, is developing a neurophotonics-based system that uses laser beams to stimulate sensory nerves and provide feedback to the brain.

Antimatter atoms produced and trapped at CERN

The ALPHA experiment at CERN has successfully produced and trapped atoms of antihydrogen, a significant step forward in understanding the difference between matter and antimatter. This development allows for new ways of making detailed measurements of antihydrogen, which will enable scientists to compare matter and antimatter.

Antimatter atoms stored for the first time

The ALPHA collaboration has successfully trapped and stored antihydrogen atoms for nearly two-tenths of a second. By comparing their energy levels to those of ordinary hydrogen, researchers aim to test the symmetry of nature and better understand how antimatter behaves.

Aged, damaged hearts yield stem cells that could treat heart failure

Researchers found that functional cardiac stem cells can be isolated from aged and damaged hearts, with women producing more CSCs than men. The study suggests that these stem cells have the potential to regenerate heart muscle and vessel tissue, potentially treating heart failure.

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.

College job market to see slight rebound

The national job market for college graduates is expected to rebound slightly next year, with a 3% increase in hiring anticipated. Large corporations and small, fast-growth companies will drive the hiring growth, but caution should be exercised as it's just the first step out of the recession.

Mysterious cells may play role in ALS

Researchers at Johns Hopkins discovered that NG2+ cells undergo dramatic changes in ALS, growing rapidly and forming abnormal oligodendrocytes that quickly die. This overgrowth suggests a new player in the disease's progression.

As Arctic temperatures rise, tundra fires increase, researchers find

A new study reveals that tundra fires in Alaska's North Slope are linked to rising Arctic temperatures and nonlinear climate conditions. The research found a dramatic relationship between temperature and frequency of fires, with temperatures above 10 degrees Celsius increasing fire occurrence.

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.

Researchers discover potential genetic target for heart disease

Researchers at the University of Cincinnati found a potential genetic target, miR765, which can down-regulate protein phosphatase 1 inhibitor-1 and reduce cardiac muscle contractility. This micro-RNA may play a role in heart disease development by decreasing or deactivating proteins that help the heart function at full capacity.

Scientists identify antivirus system

Researchers have identified a security system in host cells that viruses exploit to replicate, allowing them to evade the immune system. The discovery sheds light on how some viruses add chemical caps to RNA to bypass host cell defenses.

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.

Tiny Trojan horses attack brain cancer cells

Scientists have developed a way to deliver an anti-cancer drug to brain tumours using a tiny capsule called a Trojan Horse Liposome. The nanocarrier successfully reduced tumour growth by 73% and prevented severe side effects compared to traditional treatments.

What if we used poetry to teach computers to speak better?

Dr. Michael Wagner's research explores the use of identical rhymes in poetry to understand how languages use emphasis and prosody. The study reveals a systematic difference between French and English speakers' evaluation of poetry, which can help improve computer programmers' production of realistic speech.

Health literacy impacts chance of heart failure hospitalization, study says

A study led by Emory University School of Medicine found that patients with low health literacy are more likely to be hospitalized for heart failure. Adults with lower REALM-R scores were 55% more likely to be admitted, with those from low-income backgrounds and without a college education facing higher risks.

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.

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.