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Science News Archive March 2008


Page 16 of 19

Researchers discover the structural alphabet of RNA

Researchers at the University of Montreal developed a new approach to model RNA structure by using a structural alphabet. This innovation allows for more accurate predictions of RNA 3D structures from sequence data, with implications for studying RNA viruses and identifying microRNAs.

State, UH teaming up to reduce (ob)noxious air emissions

The University of Houston's Texas Diesel Testing and Research Center will test technologies to reduce nitrogen oxides (NOx) emissions by over 80% in the state, enabling compliance with federal air quality guidelines. The facility also plans to provide laboratory space for third-party companies to test their technologies.

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.

Story ideas from Molecular and Cellular Proteomics

Researchers have developed novel approaches to analyze proteins in human saliva and diseased heart tissue, potentially leading to earlier diagnoses of heart disease and oral cancer. By tracking changes in protein profiles over time, scientists may identify key biomarkers for therapeutic intervention.

Immunization instead of medication to control blood pressure

A phase IIa trial found that vaccination against angiotensin II reduced mean daytime blood pressure by -9.0/-4.0 mm Hg in patients with mild-to-moderate hypertension. The authors propose a few injections per year as an alternative to traditional medication, potentially improving treatment adherence.

Move over Galileo, it's Science 2.0

Researchers at the University of Maryland are applying a new approach, Science 2.0, which integrates hypothesis-based inquiry with social science methods to study human use of computers and digital networks. This method aims to improve applications in homeland security, medical care, and the environment.

Quasicrystal mystery unraveled with computer simulation

Scientists at University of Michigan used computer simulations to understand how quasicrystals form intricate patterns without rearranging atoms. This breakthrough could lead to new materials with improved properties, such as resistance to wear and corrosion.

Apple iPhone 17 Pro

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

NIST 'quantum logic clock' rivals mercury ion as world's most accurate clock

The NIST quantum logic clock uses an aluminum atom to apply computer logic to the quantum world, rivaling the mercury ion's accuracy and offering a new approach to measuring fundamental constants. The clocks were compared with record precision, allowing scientists to measure their relative frequencies to 17 digits.

Breakthrough in birth-defect research

Researchers at the University of Manchester have successfully treated mice with Treacher Collins syndrome, a rare genetic disorder, by preventing premature cell death. The breakthrough could lead to early treatment of at-risk babies in the womb.

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.

Increasing food quality risks are affecting global food supply chain

A study highlights the challenges posed by global food sourcing, including contamination and non-compliance with laws and standards, necessitating a new approach to quality management. The '6Ts' framework proposes robust solutions, focusing on traceability, transparency, testability, time, trust, and training.

Large binocular telescope achieves first binocular light

The Large Binocular Telescope on Mount Graham achieved its first binocular light using twin side-by-side 8.4-meter primary mirrors, showcasing the telescope's power and clarity. The images reveal details of the spiral galaxy NGC 2770, including newly formed hot stars and older, cooler stars.

Smoking is major risk factor for stroke in China

A large-scale study published in the American Heart Association rapid access journal report found that cigarette smoking is a significant predictor of stroke in Chinese men. Researchers analyzed data from over 170,000 participants and found that smokers were 2-3 times more likely to suffer an ischemic stroke compared to never-smokers.

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.

Giant panda genome to be sequenced

The International Giant Panda Genome Project aims to sequence and assemble the giant panda's draft genome within six months. The project will aid in understanding the genetic and biological underpinnings of this unique species, informing conservation efforts and advancing sequencing technology.

Chronically elevated blood sugar levels disable 'fasting switch'

Chronic hyperglycemia disables the molecular switch that normally shuts off glucose production in the liver, leading to insulin resistance and complications. Inhibiting the hexosamine biosynthetic pathway may provide a new therapeutic target for lowering glucose levels and reducing long-term diabetes complications.

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.

Function of molecular switch pinpointed in severe congenital neutropenia

Researchers have identified the molecular mechanics behind Severe Congenital Neutropenia (SCN), a deadly disease characterized by a deficiency of neutrophils. The discovery of GFI1's role in regulating neutrophil development has provided new avenues for understanding the molecular basis of SCN.

'Smart money' identifies superior mutual funds

Research by Aneel Keswani and David Stolin found that investors consistently choose funds with better future performance. The study employed British data from 1991 to 2000 and U.S. data during the same period, revealing a smart money effect in both markets.

When the chips are down -- soak them!

Researchers found that pre-soaking potatoes can reduce acrylamide formation by up to 23-48%, depending on soaking time and frying color. The study suggests this simple measure may reduce health risks associated with acrylamide consumption.

London School of Hygiene celebrates new $59 million Gates funding

The London School of Hygiene & Tropical Medicine has been awarded grant funding to develop new treatments for malaria, tuberculosis, and HIV/AIDS. The $59 million investment will support research initiatives, including a co-ordinated programme to optimize combination drug treatment for malaria in Africa and Asia.

Rusty worms in the brain

Researchers found that transferrin protein aggregates into wormlike fibrils, releasing rust-like iron particles. These particles may contribute to neurodegenerative diseases by forming toxic free radicals and destroying nerve cells.

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.

Mars and Venus are surprisingly similar

The Mars Express and Venus Express spacecraft reveal that the two planets' atmospheres are stripped away into space due to solar wind interactions. The similarity in magnetic field structure between the two planets suggests a shared ionosphere density at high altitudes.

Mother-daughter conflict, low serotonin level may be deadly combination

New University of Washington research suggests that negative mother-daughter relationships and low serotonin levels in adolescents may be linked to self-harming behaviors. The study found that these two factors combined account for 64% of the difference between adolescents who engage in self-harming behaviors and those who do not.

Hibernation-like behavior in Antarctic fish -- on ice for winter

Scientists discovered an Antarctic fish species that enters a dormant state similar to hibernation to conserve energy during the long winter. The study showed that the fish reduces its metabolic rate even when seawater temperature doesn't decrease, suggesting alternative drivers for this behavior.

Nanorings

Scientists have developed a method to produce rigid DNA nanorings with a tailored gap, allowing for the incorporation of functional molecules. The rings can be equipped with desired properties, such as anchors that precisely bind them to other components.

Secrets of cooperation between trees and fungi revealed

The genetic code of the Laccaria bicolor fungus has been fully sequenced, revealing new insights into its symbiotic relationship with trees. The study identifies key genes that facilitate nutrient uptake and protect against parasites, while also enabling communication between the fungus and tree.

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.

Study finds bacteria may reduce risk for kidney stones

Researchers have discovered a link between the bacteria Oxalobacter formigenes and a reduced risk of recurrent kidney stones. The study found that O. formigenes can metabolize oxalate, reducing the risk of calcium oxalate stone formation by up to 70%.

New study sheds light on excessive drinking among the elderly

A new study from Brandeis University reveals that 1 in 10 elderly adults on Medicare consume more alcohol than recommended, with 9% engaging in unhealthy drinking habits. The study highlights the need for healthcare providers to be aware of this often-missed issue and consider individual factors when assessing risk.

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.

Scientists identify origin of hiss in upper atmosphere

Researchers at UCLA have solved a 40-year-old puzzle by identifying the source of intense radio waves in the Earth's upper atmosphere that control the dynamics of the Van Allen radiation belts. The chorus wave type is found to energize electrons and was initially thought unrelated to hiss.

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 method to estimate sea ice thickness

Scientists developed a new model to estimate sea ice thickness, using historical observations and environmental data analysis. The study shows that average ice thickness and total ice volume fluctuated together during the early period, peaking in the late 1980s before declining until the mid-1990s.

Gladstone scientists identify role of tiny RNAs in controlling stem cell fate

Researchers at Gladstone Institutes have identified two microRNAs, miR-1 and miR-133, which play a crucial role in controlling the differentiation of pluripotent embryonic stem cells into cardiac muscle. These findings provide insight into fine-tuning cellular processes and may lead to new treatments for heart-related diseases.

Pacemaker tune-up works chemical wonders on damaged hearts in dogs

Researchers found that pacemakers not only mechanically correct irregular heartbeats but also produce chemical changes that benefit the heart muscle. Studies in dogs with congestive heart failure showed significant improvements in protein levels and activity, reducing cell death and fibrosis.

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.

Leukemia therapy with imatinib during pregnancy may cause infant abnormalities

A study suggests that expectant women treated with imatinib for chronic myeloid leukemia (CML) may be at moderate risk of developing fetal abnormalities. The majority of pregnancies resulted in normal live infants, but some were born with congenital abnormalities, including exomphalos, renal agenesis, and hemivertebrae.

Secondhand smoke a risk for children worldwide

A global study found that 82 percent of parents who smoked reported smoking around their children, exposing them to high levels of secondhand smoke. Hair nicotine levels were detected in 78 percent of children living with a smoker and 59 percent without, highlighting the need for improved public awareness.

Cellular construction methods emulated

The Dutch team used two types of self-aggregating compounds: surfactants and gelators. They formed aggregates that coexisted without interfering with each other, resulting in complex structures with separate compartments. This orthogonal self-aggregation enables the creation of versatile compartmentalized systems.

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.

New technique takes a big step in examination of small structures

Researchers have achieved images of a virus in detail two times greater than previously achieved using single-particle electron cryomicroscopy. This breakthrough provides valuable information for developing disease treatments and allows for the study of tiny biological machines found throughout our bodies.

UCLA researchers find blood stem cells originate and are nurtured in the placenta

Researchers have made a groundbreaking discovery about the origin of blood stem cells, finding that they are generated in the placenta. The study's findings may allow for the growth of blood stem cells in cell culture, potentially leading to new treatments for diseases like leukemia and aplastic anemia. By understanding how blood stem ...

Key component of Earth's crust formed from moving molten rock

A team of Cornell researchers has developed a computer model that explains how granulite, a fine-grained metamorphic rock, forms in the Earth's crust. The model reveals that granulite can form at various depths but at similar temperatures as melted rock migrates up through the crust.

Stanford biologist awarded 2008 Sophie Prize in Norway

Gretchen Daily, a Stanford University biologist, has been recognized by the Sophie Foundation for her groundbreaking work blending economics and ecology. Her research focuses on quantifying the economic value of ecosystems and promoting conservation through practical applications.

Fluke 87V Industrial Digital Multimeter

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

Warmer springs mean less snow, fewer flowers in the Rockies

Research by David Inouye shows that warmer springs in the Rockies are causing three common wildflowers to bloom less due to late frost damage. This can have significant impacts on ecosystem dynamics, as these plants provide food for various insects and animals, which may disappear if they vanish.

Physics breakthrough much ado about 'nothing'

Researchers at the University of Calgary have successfully stored and retrieved a special type of vacuum, known as a squeezed vacuum, using rubidium atoms. This breakthrough has significant implications for quantum computing and information exchange, enabling the creation of ultra-secure codes for transmitting sensitive information.

University of Colorado at Boulder awarded $1 million for biofuels research

The University of Colorado at Boulder has received a $1 million grant from the USDA and DOE to develop solar-thermal biomass-to-gas conversion systems. The three-year project will use concentrated sunlight to convert biomass into synthesis gas, which can be easily converted into hydrogen or liquid fuels.

Awkward! New study examines our gazes during potentially offensive behavior

A new study examines how our gazes shift towards potentially offended individuals, revealing a complex interplay of social identity, possible reactions, and assessment of the situation. The researchers found that participants fixated on the Black discussant four times longer when they believed he could hear what was being said.

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.

Brown-led study rearranges some branches on animal tree of life

A Brown-led study uses genomics tools to reorganize the animal phylogenomic research project, clarifying relationships between major groups and offering surprises. Comb jellyfish diverged from other animals even before sponges, questioning the root of the animal tree.

A new more effective tuberculosis screening test for HIV victims

A new TB screening test based on ELISPOT test has shown high sensitivity and specificity in detecting latent TB infection in HIV-infected individuals. The test was compared to the traditional tuberculin skin test (TST) and found to be more sensitive, but its effectiveness in severely immunosuppressed individuals remains unclear.