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Science News Archive 2011


Page 25 of 311

Minorities pay more for water and sewer

A study by Michigan State University researchers reveals that racial minorities face higher costs for basic water and sewer services. The study attributes the disparity to the aging infrastructure in urban areas, where whites have fled, leaving minority residents to bear the costs.

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.

Genetic buzzer-beater genes may save fish

A study published by researchers at the University of Oregon reveals that two distinct populations of rainbow trout share a genetic trait that enables them to adapt to their native rivers in Alaska and Idaho. This gene variant, identified using RAD technology, may hold key to saving struggling fish populations from extinction.

A smarter way to make ultraviolet light beams

Researchers have optimized a type of optical resonator to boost infrared signals to higher-energy ultraviolet beams using low-power nonlinear processes. This enables the creation of low-cost, wavelength-tunable ultraviolet sources with applications in chemical detection, medical imaging and fine lithography.

GSA Bulletin highlights: New research posted ahead of print

Two studies published in GSA BULLETIN examine the evolution of C4-dominated grasslands in the southern Great Plains and the tectonomagmatic evolution of northwestern Mexico. The first study uses carbon isotope composition to reconstruct the relative abundance of C4 grasses over the past 12 million years, finding a protracted history of...

Apple iPhone 17 Pro

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

Geosphere highlights: New research posted Nov. 22, 2011

Two studies investigate geological history of Grenville Province and thermal properties of Antarctica's Victoria Land Basin. A new educational program also enhances science education among educators participating in the ANDRILL research initiative.

Shedding light on the 'dark matter' of the genome

Plant pathologists discovered a gene with varying intron lengths in fungus M. graminicola, challenging conventional models of intron presence-absence polymorphisms. The study sheds light on genome evolution and suggests natural selection may play a role in intron fixation.

Is the end of polio truly in sight?

Despite significant progress, polio eradication remains complex due to asymptomatic infections and vaccine limitations. Experts emphasize the need for further research on virus-host interactions and vaccine usage in the final stages of the program.

Industrialization weakens important carbon sink

Researchers found a 100-fold weakening in coastal ecosystems' ability to sequester carbon since European settlement, coinciding with industrial expansion and nitrogen deposition. Estuaries, natural global carbon sinks, are at risk of diminishing their ability to mitigate climate change.

Meta Quest 3 512GB

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

U of I study: Kindergarten friendships matter, especially for boys

A University of Illinois study found that high-quality kindergarten friendships are essential for boys' social skills and behavior problems in first and third grades. In contrast, girls' social skills were not significantly affected by their kindergarten friendships. The research suggests that early friendships provide a positive found...

Growth hormone increases bone formation in obese women

A six-month growth hormone replacement study found increased bone formation, muscle mass, and decreased abdominal fat in abdominally obese women. The results suggest growth hormone as a potential treatment for postmenopausal osteoporosis.

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.

Cobblestones fool innate immunity

Scientists at the University of Gothenburg create a nanostructured surface on implants, fooling the innate immune system and reducing rejection rates. The unique surface mimics natural structures, allowing the body to integrate foreign objects more easily.

E. coli bacteria engineered to eat switchgrass and make transportation fuels

Researchers at the Joint BioEnergy Institute have successfully engineered E. coli bacteria to digest switchgrass biomass and synthesize its sugars into all three major transportation fuels: gasoline, diesel, and jet fuel. This breakthrough reduces fuel production costs by consolidating two steps into one, enabling a single-step operation.

Graphene lights up with new possibilities

Researchers at Rice University developed a two-step method to attach organic molecules to pristine graphene, making it suitable for various new applications. This breakthrough enables advances in chemical sensors, thermoelectric devices, and metamaterials.

'Heading' a soccer ball could lead to brain injury

Researchers used diffusion tensor imaging (DTI) to study the effects of soccer 'heading' and found that frequent headers can lead to degeneration of brain cells. Brain areas responsible for attention, memory, and visual functions showed significant changes in FA values with high heading frequencies.

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.

Study: No decline in running economy for older runners

A new study from the University of New Hampshire found that older runners' running economy is no different than that of younger runners, but maintaining this efficiency comes at a higher cost, including lower VO2 max and maximal heart rates. Researchers recommend strength training to minimize age-related decline in performance.

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.

New thinking required on wildlife disease

A University of Adelaide scientist highlights the potential of freely available software tools to predict the spread of diseases in Australian wildlife and commercial stock. The team used these tools to estimate that up to 100,000 buffalo would need to be culled annually for 15 years to reduce TB prevalence near zero.

New study supports mammography screening at 40

A new study published at the Radiological Society of North America meeting found that women between 40-49 years old without a family history of breast cancer are equally likely to develop invasive breast cancer as those with a family history. Annual screening mammography is recommended for this age group.

How to decide who keeps the car

Researchers from Canada and Switzerland develop a quantum coin flipping method to ensure fair car ownership decisions. Despite being imperfect, the method prevents cheating by leveraging the properties of nature.

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.

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.

The implications of disease coexistence

A new study published in Journal of Molecular Neuroscience emphasizes the significance of identifying 'overlap syndrome' between ALS and FTD, which can impact patient survival. The research also explores clinical characteristics, diagnostic criteria, and screening strategies for this syndrome.

Making a light-harvesting antenna from scratch

Researchers at Washington University in St. Louis successfully synthesized a chlorosome component, a giant assembly of pigment molecules, and studied its self-assembly properties. The findings suggest that synthetic pigments could be easier to incorporate into solar devices than biomimetics made of proteins.

High blood sugar levels in older women linked to colorectal cancer

A recent study found that elevated blood sugar levels are associated with an increased risk of colorectal cancer in postmenopausal women. Researchers observed nearly 5,000 women over 12 years and discovered that those with higher glucose levels were more likely to develop the disease.

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.

Walnut trees may not be able to withstand climate change

Researchers at Purdue University found that walnut trees are highly sensitive to certain climates and may struggle to survive in a changing environment. The trees' defense mechanisms against cold and extreme weather events could be compromised by climate change, leading to potential declines in the species.

Emerging new properties at oxide interfaces

Researchers at National University of Singapore discovered a collective electronic state not seen before in insulating oxides, exhibiting ferromagnetism. This is achieved through the interface of two materials, enabling novel electronic phases stabilized by the interface.

Frequent 'heading' in soccer can lead to brain injury and cognitive impairment

Researchers found that frequent soccer heading can cause brain injury and cognitive impairment, particularly in areas responsible for attention, memory, and executive functioning. A threshold level of approximately 1,000 to 1,500 heads per year was identified, with higher frequencies associated with significant injury.

Making collective wisdom wiser

Tel Aviv University researcher Prof. Tova Milo has developed a method to automatically optimize 'crowd-sourcing' of online data, flagging questionable input and alerting moderators to potentially offensive commentary. The technology improves the quality of information and saves valuable man-hours.

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.

Graphene earns its stripes

Researchers at University College London discovered electronic stripes on graphene sheets, a finding that could revolutionize the exploitation of this material. The discovery was made using a scanning tunneling microscope and found that extra electrons arrange themselves into nanometer-scale stripes spontaneously.

The interplay of dancing electrons

Researchers from the University of Gothenburg developed a new method to study electron interactions in negative ions, crucial for understanding phenomena like superconductors. This knowledge may also shed light on the origin of life and the chemical reactions that occurred in space.

Lighting the way to understanding the brain

Researchers at Harvard University have created genetically-altered neurons that light up as they fire, allowing them to trace signal propagation and study neural pathways. This breakthrough has the potential to speed up drug development and advance our understanding of genetic conditions.

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.

'Skin bones' helped large dinosaurs survive, new study says

Research suggests that sauropod dinosaurs used hollow osteoderms to store minerals needed for their huge skeletons and laying large egg clutches. The study also found that these "skin bones" became more important mineral stores as the animals grew.

Breakthrough in the battle against malaria

Researchers have identified new ways to target and kill the malaria parasite in human bloodstreams, which could lead to the development of new anti-malarial drugs. The discovery provides a promising avenue for combating the disease, but also highlights the need for continued efforts to address growing resistance to current treatments.

Daily wheezing treatment no different from intermittent in toddlers

A recent study by the CARE Network found that daily inhaled steroid treatment for young children with frequent bouts of wheezing was not more effective than treating symptoms at the first signs of a respiratory tract infection. The trial showed comparable results in reducing episodes, symptom days, and quality of life.

Celestron NexStar 8SE Computerized Telescope

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

How the brain strings words into sentences

A study published in Neuron reveals that upper and lower white matter fiber pathways play distinct roles in language processing. Patients with damage to the lower pathway struggle with lexical semantics but excel at constructing sentences, while those with damage to the upper pathway have difficulties with syntactic processing.

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.

An unexpected player in a cancer defense system

Researchers at Karolinska Institutet have discovered a new player in the body's defense against cancer, VCP/p97 complex. This complex plays a crucial role in regulating the recruitment of tumor suppressor protein 53BP1 to damaged DNA.