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Science News Archive 2004


Page 125 of 135

Hidden order found in cuprates may help explain superconductivity

Researchers at the University of Illinois have found a hidden pattern in cuprate superconductors that may help explain high-temperature superconductivity. The pattern, which forms when electrons are heated, is a distinct type of movement in which electrons organize into a checkerboard pattern.

Engineers create chip-size version of widely used detector

Researchers at Purdue University developed a miniature detector using laser liftoff technique, enabling portable instruments for biologists and farmers to test crops for toxins. The device replaces bulky equipment with a centimeter-wide chip, reducing costs and increasing security.

Apple iPhone 17 Pro

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

Why don't women run for office? Less confidence and encouragement

Research by Brown University's Jennifer L. Lawless and Richard L. Fox found that women are less likely to run for office due to low self-perceived qualifications and lack of encouragement. Despite equal performance in campaign fundraising and vote totals, women remain underrepresented in U.S. political institutions.

New reactor puts hydrogen from renewable fuels within reach

Researchers at the University of Minnesota have developed a new reactor that can convert ethanol into a form of hydrogen from renewable fuels. This process has the potential to reduce carbon dioxide emissions and increase the efficiency of fuel cells, making it a promising solution for a sustainable energy future.

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.

Dyslexics not doomed to life of reading difficulties

Researchers at the University of Washington developed an instructional intervention that helps dyslexic children use the same brain areas as normal readers, leading to better reading ability. The study found improvements in both sound and visual form coding skills, as well as cross-language coding.

Sweet science: Common candies yield physics discovery

Princeton physicists Paul Chaikin and Salvatore Torquato used M&Ms to investigate the physical principles behind particle packing. They found that oblate spheroids can pack up to 68% of the container's space, exceeding the density of perfect spheres.

'Dynamic pricing' in retail can boost bottom line, research shows

Researchers found that dynamic pricing strategies outperform fixed prices in environments with high market uncertainty. Optimal prices adjust continuously over time and jump upward at the point of sale. Companies can benefit from proactively setting prices to impact revenue and learn from sales observations.

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.

RNA inner workings partly unveiled in Stanford study

Researchers at Stanford Medicine have made groundbreaking discoveries about the structure of RNA polymerase, a crucial enzyme in gene expression. The team's findings reveal intricate details about the enzyme's interactions with helper molecules and DNA, providing a deeper understanding of transcription and protein production.

OHSU researchers hope to prevent childhood asthma with new eczema drug

Researchers at OHSU are conducting a study to investigate whether early treatment with the eczema drug Elidel can prevent asthma in children with a family history of allergic disease. The study aims to enroll 200 infants with eczema and assess whether early intervention reduces the incidence of asthma.

USAMRIID scientist Peter B. Jahrling elected fellow by AAAS

Dr. Peter Jahrling has been recognized by the American Association for the Advancement of Science (AAAS) as a Fellow for his contributions to vaccine development and medical defense against infectious diseases. He is credited with advancing research on filovirus and poxvirus threats.

Regrets, we've really had a few

A new study suggests that people are surprisingly good at avoiding self-blame and may be better at avoiding regret than they realize. The research found that individuals tend to blame external circumstances rather than themselves when faced with failure or near-miss situations, contradicting their initial expectations of self-blame.

Now website data can be harnessed to make better sales forecasts

Researchers developed simple systems to analyze website user behavior, enabling accurate forecasts of future buying patterns. The study applied these models to a UK information website and an online CD retailer, demonstrating their potential for improving marketing and advertising strategies.

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.

Steroid-coated DNA represents new approach to gene delivery

Researchers have developed a novel method for gene delivery using steroid-coated DNA, which improves cell uptake and reduces inflammatory immune responses. The technique has the potential to enhance gene transfer in humans, especially in inflamatory diseases.

Bighorn sheep threatened by climate change

A study published in Conservation Biology found that climate change is consistently correlated with extinction among desert bighorn sheep. The researchers identified higher temperatures and decreased precipitation as key factors contributing to the decline of these populations, which are already living on a knife's edge.

NASA predicts more tropical rain in a warmer world

A NASA study suggests that warming temperatures will lead to more warm rain, which accounts for 31% of global rainfall. The increase in precipitation efficiency could make the air lighter and rise faster, creating updrafts producing more cold rain.

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.

Mind Science Foundation announces Rare Consciousness Research Awards

The Mind Science Foundation has awarded seven research teams worldwide a total of $1.4 million in grants to study human consciousness. The recipients include prominent scientists and researchers from institutions such as Harvard Medical School, Oxford University, and the California Institute of Technology.

Cities built on fertile lands

Research shows that cities built on fertile lands account for a significant decline in global food production, despite covering only 3% of US land area. Urbanization leads to a 1.6% reduction in annual Net Primary Productivity, offsetting gains from increased agricultural lands.

Human embryonic stem cells may promise medical advances

Researchers have developed versatile human embryonic stem cells capable of becoming any cell type, offering potential for transplantation medicine. The cells were created by transferring a somatic cell nucleus into an egg, reprogramming its genes to produce pluripotent stem cells.

No systemic racial profiling by N.C. troopers

A study conducted by NC State University researchers found that while there is no systemic racial profiling by the North Carolina Highway Patrol, individual troopers and patrol patterns contribute to disparities in traffic citations. The study suggests that factors such as accident rates, demographic composition, and driving behavior p...

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.

'We are the champions' – the new birdie song

Researchers found that tropical boubous sing the 'victory duet' more often after an invasion attempt than before or during playback of recordings. This rare context-specific birdsong is used to assert dominance and deter other birds from intruding into their territory.

Copper may play role in 'starving' cancer to standstill

Researchers explored the potential of copper to control cancerous growth by depleting it of essential nutrients. Studies have shown that regulating copper levels can stop tumor growth, although no cures have been found yet, and further research is needed for a more comprehensive approach.

Los Alamos leading fast-paced reactor research

Los Alamos is leading reactor design for the JIMO mission, which would orbit icy moons to study their makeup and potential for sustaining life. The lab is developing key technologies such as nuclear fuel, beryllium components, and diagnostic instruments for a safe and reliable space reactor.

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.

Nano-origami

Researchers at Scripps Research have created a single, clonable strand of DNA that folds into an octahedron with potential applications in biomedical science, electronics, and computing. The structure can be amplified and replicated using standard molecular biology tools.

Research casts doubt on voice-stress lie detection technology

Research casts doubt on voice-stress lie detection technology, with studies finding dismal results in detecting deception and excluding non-deceitful individuals. The technology's ability to identify micro-tremors related to stress is limited, suggesting it may not be capable of reliably detecting lies.

Scientists find ozone-destroying molecule

Researchers at NASA find evidence of ozone-destroying chlorine peroxide in the stratosphere over Polar Regions. The molecule triggers destruction when absorbing sunlight, breaking down ozone and forming again through a continuous cycle.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

MPRI opens its doors to cancer patients

Proton radiotherapy is being used to treat cancer patients at MPRI with minimal damage to healthy cells. The facility has received $10 million in funding and will be a centerpiece of the life sciences effort in Indiana.

Alcohol abuse history could pose problems for HIV patients

Researchers found that HIV-positive patients with a history of alcohol abuse showed statistically significant impairments in verbal IQ, verbal reasoning, and reaction time compared to those without a history of alcohol dependence. Even after stopping alcohol use, these patients remained at risk for cognitive impairment.

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.

'Heavy metal' snow on blazing Venus is lead sulfide

Researchers at Washington University in St. Louis have found that heavy metal snow on Venus is actually made of lead sulfide, contradicting previous hypotheses. This discovery could allow for the dating of Venus using lead isotopes, providing a new frontier for space exploration.

Research points in new direction for cancer clues

A team of scientists at Vanderbilt University Medical Center discovered that tumors can develop in normal epithelial cells due to changes in signals from nearby fibroblasts. The study, published in Science, shows that eliminating a specific cell signaling pathway in fibroblasts leads to precancerous lesions and invasive cancers in mice.

Chemistry puts new sparkle in diamonds

Companies like Gemesis and Apollo Diamond are creating lab-grown diamonds over a carat in size that match mined counterparts in terms of chemical and physical properties. Additionally, colored diamonds can be created by introducing controlled elemental impurities, such as nitrogen for yellow stones or boron for blue gems.

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.

Comets spread Earth-life around galaxy, say scientists

Researchers from Cardiff University suggest that a large comet impact could throw material containing micro-organisms out of the planet's atmosphere, infecting hundreds of millions of nascent planetary systems. This viable bacterial outflow would survive heat and radiation, ultimately spreading Earth-life across the galaxy.

Hudson River Estuary enters middle age

The Hudson River Estuary has largely stopped filling in with new sediment, except for specific locations, according to researchers. The estuary's sedimentation rate is approximately 1mm per year, matching the rate of sea level rise.

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.

It's a stirring tale of bacteria

Researchers observed Bacillus subtilis bacteria moving through fluid in a coordinated pattern, creating swirls and jets that stir the fluid and may aid bacterial detection. The 'self-concentration' phenomenon has potential applications in biotechnology, particularly in mixing minute quantities of solutions.

Patients give nod to kidney dialysis at home

A study by Johns Hopkins researchers found that patients on peritoneal dialysis rate their care as excellent, citing independence, access to staff, and quality of treatment. In contrast, hemodialysis patients report lower satisfaction rates, with many citing inadequate information and economic factors as barriers.

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.

Two new sets of guidelines intended to improve patient safety

Two new sets of guidelines aim to enhance patient safety by establishing formalized plans for inter- and intrahospital transport of critically ill patients. The guidelines recommend regular evaluation and refinement using standard quality improvement processes to minimize risks and improve outcomes.

Safer visual and auditory cues for elderly drivers is research goal

Researchers aim to develop enhanced warning signals to aid elderly drivers in detecting critical information, as visual and auditory abilities decline with age. The study will examine the relationship between warning signal perceptions and driving skills in both young and elderly drivers.

Dinosaur fossil record compiled, analyzed

Researchers analyzed over 250 dinosaur genera, finding the fossil record to be moderately complete, but highly congruent with existing family tree relationships. This study provides valuable insights for paleontologists studying dinosaur evolution.

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.

Researchers pinpoint brain areas that process reality, illusion

The study found that the primary motor cortex represented actual movement while the ventral premotor cortex generated elliptical shapes. The research reveals how the mind creates order and adjusts on the fly to eliminate distortions, with implications for developing biomedical devices controlling artificial limbs.

Innovation attracts new research funding

The Roche Organ Transplantation Research Foundation has awarded 11 new grants totaling 2 million Swiss francs, focusing on the understanding of rejection responses and inflammation. The grants aim to improve long-term organ survival and help more people with solid organ transplants live longer and healthier lives.