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Science News Archive 2009


Page 33 of 277

Researchers find potential treatment for Huntington's disease

Researchers found that normal synaptic activity protects the brain from misfolded proteins associated with Huntington's disease, while excessive extrasynaptic activity enhances their deadly effects. Low doses of Memantine successfully treated Huntington's disease in a mouse model by preserving normal synaptic electrical activity.

NIST demonstrates 'universal' programmable quantum processor

Physicists at NIST demonstrate the first universal programmable quantum information processor using two qubits, capable of running any program allowed by quantum mechanics. The processor stores binary information in beryllium ions and can perform 160 different processing routines, making it 'universal'.

Tiny particles can deliver antioxidant enzyme to injured heart cells

Researchers developed microscopic polymer beads that can deliver an antioxidant enzyme into the heart, reducing dying cells and improving heart function after a simulated heart attack. The enzyme, superoxide dismutase (SOD), soaks up toxic free radicals produced during a heart attack.

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.

Today's children decide their school and career path early

Children as young as 11 can predict their future educational and career choices, according to a new study. The research highlights the importance of providing advice and information to children during secondary education to increase post-16 participation.

Largest gene study of childhood IBD identifies 5 new genes

Researchers have identified five new gene regions associated with early-onset inflammatory bowel disease, including one involved in the T-helper 17 pathway. The findings may lead to personalized medicine by targeting the IL27 cytokine's action.

Apple iPhone 17 Pro

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

Early cooling in cardiac arrest may improve survival

A recent study found that rapidly cooling a person in cardiac arrest can significantly improve survival rates and neurological outcomes. The early cooling method, known as RhinoChill, was shown to be safe and effective in minimizing brain damage during the critical period of cardiac arrest.

Climate variability and dengue incidence

Research published in PLoS Medicine found associations between local rainfall and temperature with cases of dengue fever, but no significant link with El Niño-Southern Oscillation. Large outbreaks occur every few years in many tropical countries, with temperature and rainfall varying strongly on an annual scale.

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.

Berkeley researchers take the lead out of piezoelectrics

Researchers at Berkeley Lab discovered a lead-free alternative to piezoelectric materials, bismuth ferrite, which enhances the piezoelectric effect under epitaxial strain. The study demonstrates reversible phase changes in thin films of bismuth ferrite, opening up new possibilities for devices and applications.

Chromosomes dance and pair up on the nuclear membrane

Researchers at UC Berkeley discover that the cytoskeleton plays a critical role in pairing and recombining chromosomes during meiosis. By forming bridges between chromosomes and patches on the nuclear membrane, the cytoskeleton helps ensure homologous chromosome pairing, a crucial step in sex cells' development.

Fluke 87V Industrial Digital Multimeter

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

Thoughtful words help couples stay fighting fit

Research found that couples who use thoughtfulness and reasoning during conflicts show lower stress-related protein levels, suggesting a potential health benefit. The study measured cytokine levels before and after marital discussion tasks and found a correlation between cognitive word use and reduced inflammation.

Can thinking of a loved one reduce your pain?

Researchers at UCLA discovered that simply looking at photos of a partner can reduce pain, suggesting a strong emotional link. The study also found holding hands with a loved one can further decrease physical discomfort.

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.

Awareness of racism affects how children do socially and academically

A new study found that children develop an awareness of racial stereotypes early on, leading to damaging biases in social interactions and academic performance. Awareness of these biases can negatively impact standardized test results, particularly for African American and Latino youths.

Youths see all parental control negatively when there's a lot of it

A new study found that young people generally favor one type of parental control over another but become indifferent when parents are overly controlling. The researchers argue that adolescents may respond poorly to highly restrictive behavioral control, similar to psychological control.

Does modernization affect children's cognitive development?

A cross-cultural study found that children from communities with more modern resources performed better in certain areas of cognitive functioning. The researchers argue that these differences reflect the cognitive skills valued and promoted in each community rather than a direct correlation to intelligence.

Satellite imagery confirms Ida's low is finally moving away from the east coast

Satellite imagery and weather data indicate that Ida's coastal low pressure area has moved away from the US east coast, with its western edge passing over the easternmost part of the country. The system is expected to continue moving southeastward, leaving behind significant flooding in eastern Virginia and northeast North Carolina.

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.

Shape perception in brain develops by itself

A new study published in Psychological Science suggests that the brain's ability to understand shapes is innate and develops without exposure to modern geometric objects. African tribal people and Western college students both showed greater sensitivity to non-accidental properties of objects, indicating a universal sense of geometry.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Fat collections linked to decreased heart function

Researchers at Boston University School of Medicine discovered a link between fat accumulation around the heart and aorta, as well as within the liver, and decreased cardiac pumping function. Measuring body mass index (BMI) does not accurately predict the amount of unwanted fat in these areas.

Study offers tips on taming the boogie monster

Researchers identified coping strategies for children to manage their fears, with preschoolers benefiting from positive thinking and older children focusing on reality. The study's findings can help parents better support their children in dealing with fears, particularly those of imaginary creatures.

Ethnic pride may boost African-American teens' mental health

Research suggests that young people's feelings of ethnic pride rise during the 7th-8th grade years, improving their mental health regardless of self-esteem levels. A sense of pride in one's ethnic group serves as a buffer against certain mental health problems, especially for boys.

'Cross-talk' mechanism contributes to colorectal cancer

Scientists at the University of Wisconsin-Madison School of Medicine and Public Health have identified a critical link between two signaling pathways that contribute to the development of colorectal tumors. The study reveals how CRD-BP binds to and increases GLI1 messenger RNA, leading to cancer-promoting gene activation.

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.

When preschoolers ask questions, they want explanations

A new study explores why preschoolers ask so many 'why' questions, concluding that they're motivated by a desire for explanation. Children are more satisfied when receiving explanatory answers, which leads to further conversation and engagement.

Sponges recycle carbon to give life to coral reefs

A marine sponge species recycles carbon from dissolved organic material, sustaining the diverse ecosystems of coral reefs. This process involves rapid cell turnover and shedding, allowing other reef residents to consume the recycled cells, thereby supporting the reef's complex food web.

Study reveals why certain drug combinations backfire

Researchers found that antibiotic drugs can alter bacterial cell gene expression levels, leading to increased survival. The study suggests that antagonistic drug pairings can slow down the evolution of antibiotic resistance by restoring cellular equilibrium.

Goddard team develops new carriers for space station

The Goddard team designed and built five ExPRESS Logistics Carriers (ELCs) to deploy experiments in space without a separate satellite. The ELCs will also serve as parking fixtures for ISS hardware, streamlining future missions.

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.

Paradoxical protein might prevent cancer

Researchers at Karolinska Institutet have identified a paradoxical protein that stimulates stem cell division but prevents cancer growth. The study suggests a potential new treatment using the drug imatinib to prevent colon cancer in high-risk patients.

In touch with molecules

A team of European researchers has achieved the first experiment to study the electrical behavior of only two C60 molecules touching each other. The investigation revealed that the conductance between the two molecules is significantly lower than expected, with a controlable leakage current between neighboring circuits.

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.

Faithful mothers have healthier babies

A study of over 2500 pregnant women found that those in long-term relationships with their biological fathers were less likely to develop pre-eclampsia and have undersized babies. Prolonged exposure to paternal antigens may induce tolerance in the maternal immune system, reducing the risk of these conditions.

Ida now a coastal low assaulting the Mid-Atlantic

Ida has reformed as a powerful coastal low pressure system bringing heavy rainfall, strong winds, coastal erosion and tidal flooding to the Mid-Atlantic region. The system will continue to affect areas from North Carolina to New Jersey with significant flooding and high water expected

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.

Hoping for a fluorescent basket case

A team of researchers has discovered the process by which new HIV virus particles are assembled at the membrane of infected cells and released to attack healthy cells nearby. The study, published in PLoS Pathogens, provides important insights into a crucial step in person-to-person transmission.

Nanotech in space: Rensselaer experiment to weather the trials of orbit

Researchers from Rensselaer Polytechnic Institute and the University of Florida have launched novel nanomaterials into space to test their wear resistance and conductivity. The materials, developed using advanced manufacturing techniques, are designed to perform better in extreme conditions, such as high temperatures and radiation.

New insights into the physiology of cockroaches

A study by scientists from the University of Valencia has shown that cockroaches eliminate excess nitrogen by excreting ammonia, unlike most terrestrial insects. The research suggests an evolutionary convergence between cockroaches and ants, arriving at similar metabolic solutions through their associations with endosymbionts.

Cornell researchers identify a weak link in cancer cell armor

Researchers at Cornell University College of Veterinary Medicine have discovered that inactivating the Hus1 gene efficiently kills cells lacking p53, a gene mutated in most human cancers. The study provides an important new understanding of cancer cells and their weaknesses.

Celestron NexStar 8SE Computerized Telescope

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

Doctors' tests often miss high blood pressure in kids with kidney disease

A study found that one-third of children with CKD have masked hypertension, which increases the risk of left ventricular hypertrophy and heart disease. Children with masked hypertension are four times more likely to develop LVH, highlighting the need for regular blood pressure monitoring outside the clinic.

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.

Doctors look after patients, but who is looking after doctors?

Emerging research highlights the link between poor doctor health and subpar patient care, with doctors often neglecting their own wellness. To address this issue, authors propose routinely measuring physician wellness as an indicator of healthcare system quality.

Dopamine enhances expectation of pleasure in humans

A new study from University College London finds that dopamine plays a significant role in shaping human expectations of pleasure, particularly when considering alternative options. The research suggests that dopamine signals the expected pleasure from future events, guiding decision-making.

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.