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Science News Archive September 2012


Page 10 of 27

Did a 'forgotten' meteor have a deadly, icy double-punch?

A team of Australian researchers suggests that a 2.5 million-year-old meteor impact in the Pacific Ocean may have generated a mega-tsunami and plunged the world into the Ice Ages. The Eltanin meteor, up to two kilometers across, crashed into deep water, potentially destabilizing the planet's climate system.

Single-atom writer a landmark for quantum computing

A research team created the first working quantum bit based on a single atom in silicon, representing a major advancement towards ultra-powerful quantum computers. The breakthrough enables the manipulation of data on an electron's spin to form a quantum bit, a fundamental unit of data for quantum computing.

Apple iPhone 17 Pro

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

IU optometrist receives $1.9 million to assess street-crossing program

An Indiana University assistant professor will evaluate the effectiveness of a nationwide training program to aid people with impaired vision in making safe street-crossing decisions. The research aims to improve pedestrian safety and quality of life for elderly, visually impaired, or blind individuals.

Dyslexia cause may be different than previously thought

Research published in PLOS ONE suggests that dyslexia results from phonetic system impairment, not phonological system impairment as previously thought. The study found Hebrew-speaking students had difficulty discriminating between similar speech sounds but retained ability to track abstract patterns.

Using a laser to 'see' the smallest world

A multi-university team has developed a powerful laser-powered electron paramagnetic resonance (EPR) spectrometer to study free radicals and nitrogen atoms in diamonds. This innovation allows for high-resolution analysis of tiny molecules, shedding light on their structure and behavior.

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.

Study unveils clue to the origin of dyslexia

Researchers discovered a vital clue to dyslexia's origin, finding that individuals with dyslexia exhibit difficulties in speech perception and extracting phonetic categories. The study, published in PLOS ONE, reveals the phonetic system may be the culprit behind the learning disorder.

The key to cooperation? Think fast

Researchers found that faster decision-makers tend to contribute more to a common good, suggesting intuition plays a key role in cooperation. People's moral intuitions also clash when values conflict, highlighting the need for reflection to reconcile differences.

Birth is no reason to go to hospital

A new Cochrane Review concludes that all countries should consider establishing proper home birth services to provide low-risk pregnant women with informed choice options. Home births in many settings can be as safe as hospital births with fewer interventions and complications, according to the review.

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.

Diseases of aging map to a few 'hotspots' on the human genome

Researchers identified two genomic locations associated with a large number and variety of diseases, including cancer and autoimmune disorders. The MHC locus was linked to autoimmune diseases, while the INK4/ARF locus was connected to aging-related diseases such as atherosclerosis and Type II diabetes.

Emotional neglect in children linked to increased stroke risk later in life

A recent study published in Neurology found that children who experienced emotional neglect may have a higher risk of stroke in adulthood. The research, which analyzed data from over 1,000 participants, discovered a nearly three-fold increase in stroke risk among those with moderately high levels of childhood emotional neglect.

Adolescent male chimps in large community strive to be alphas

Researchers have observed dominance relationships among adolescent male chimpanzees in the Ngogo community, a large chimp community in Uganda with over 150 members. The study found that pant grunts are used to calm hostilities and establish dominance hierarchies, which is rare for this age group.

GEOLOGY adds 30 new articles online

The study on the South Tibetan fault system reveals a minimum displacement of approx. 65 km, suggesting normal faulting played a fundamental role in the Himalayas' evolution. Meanwhile, researchers have discovered glaciation records in the James Bay Lowland, Canada, dating back to 3.5 Ma.

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.

Climate scientists put predictions to the test

A study found that climate-prediction models excel at predicting global climate trends over 30-year time frames but struggle with shorter time frames and smaller geographical regions. The researchers used historical climate records to evaluate seven computer simulation models, revealing their reliability on different scales.

Ancient tooth may provide evidence of early human dentistry

A 6,500-year-old human jaw bone with a tooth showing traces of beeswax filling has been discovered, offering evidence of ancient dentistry in Europe. The beeswax was likely applied to reduce pain and sensitivity from a vertical crack in the tooth.

Child mortality in Niger plummets

Niger's child mortality rate nearly halves from 226 deaths per 1000 live births to 128 deaths per 1000 live births, with 60,000 children's lives saved in 2009. Low-cost interventions such as insecticide-treated bed nets and vitamin A supplementation contribute to the country's success.

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.

The 'slippery slope to slime': Overgrown algae causing coral reef declines

Researchers at Oregon State University found that overgrown algae can bring unwanted pathogens, choke off oxygen, and disrupt helpful bacteria on coral reefs. The study reveals a 'slippery slope to slime' where increased algae growth leads to decreased coral growth rates and altered bacterial communities.

New cranial neural crest cell line developed

Researchers have successfully developed a stable population of neural crest cells from mice that can differentiate into multiple cell types. This breakthrough enables the study of stem cell biology and human development, as well as potential applications in understanding diseases.

'Sweet' chemicals from a 'green' raw material

The biobased chemical industry is transitioning towards producing ingredients sold to companies making medicines, detergents, and plastics from basic compounds made from sugar. Six companies have already opened manufacturing plants or will soon, with plans for three more by next year.

Odorant shape and vibration likely lead to olfaction satisfaction

A new study suggests that the shape and vibrational characteristics of odorant molecules play a crucial role in our ability to detect different smells. Researchers found that the vibrations of an odorant molecule's chemical bonds contribute to electron transfer, which sends signals to the receptor, enhancing detection.

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.

Weight gain worry for stressed black girls

Researchers found that chronic stress predicts greater increases in body weight over time in both black and white girls. However, the negative effect of chronic stress on black girls' weight may explain racial disparities in obesity levels. The study suggests stress may play a role in the obesity epidemic and racial disparities.

Cancer in the movies

A new study analyzing 82 movies with cancer storylines found that characters' chances of survival were often misrepresented. Researchers suggest that Hollywood films should tackle the realities of cancer diagnosis and treatment to raise awareness among patients and healthcare professionals.

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.

Evolution is as complicated as 1-2-3

A team of researchers analyzed 29 genomes from different generations of E. coli bacteria to understand how they evolved to supplement their traditional diet with citrate. They discovered a three-step process: potentiation, actualization, and refinement, which led to the development of new biological functions.

Tampa partnership awarded $1 million grant

The University of South Florida has been awarded a $1 million grant by the U.S. Commerce Department to support new web and mobile app ventures, aiming to create hundreds of high-wage jobs in the region. The grant will also help at least 50 Florida-based startup companies secure early-stage funding.

Revolutionary ultrathin, flat lens: Smartphones as thin as a credit card?

Scientists have developed a revolutionary new lens that is flat and distortion-free, allowing for the creation of ultra-thin devices such as smartphones. The lens uses metallic stripes to focus light and correct distortions, enabling sharper images without the need for complex solutions or multiple lenses.

Self-forming biological scaffolding

A new model system explores how cells' functional structures assemble through self-organisation. The study reveals that actin filaments, held together by cross-linking proteins and molecular motors, can rapidly compact into highly ordered fibres.

Study shows how consumers shift expectations and goals

A study by Gita Johar and Cecile K. Cho found that consumers often compare results to the highest potential outcomes, leading to low satisfaction even when goals are met. However, reminding participants of their original goals reverses this trend, making low performers as satisfied as high performers.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Scientists show biological mechanism can trigger epileptic seizures

Researchers at Cincinnati Children's Hospital Medical Center discovered a biological mechanism that causes brain seizures in mice with molecular disruptions in small neurons called granule cells. Treating epileptic mice with a drug that blocks the mTOR pathway stopped seizures, solidifying the link to the PTEN-mTOR pathway.

Boomers and beyond

The Canadian Longitudinal Study on Aging (CLSA) is a comprehensive study on aging that will investigate factors affecting health and quality of life in Canadians. The Montreal component, launched by the Research Institute of McGill University Health Centre, will collect data from 3,000 people between ages 45-85 for a 20-year period.

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.

NYU neuroscientists find promise in addressing Fragile X afflictions

Researchers at NYU have devised a method to reduce afflictions associated with Fragile X syndrome in laboratory mice by targeting the protein synthesis process. The study found improvements in physical attributes and behaviors in FXS mice lacking S6K1, but not uniform reductions in repetitive behaviors.

Autism symptoms could arise from unreliable neural responses

Neural activity in response to basic sensory information may be unreliable in individuals with autism, leading to a range of behavioral abnormalities. The study suggests that autism could result from fundamental defects in general neural processing.

Child mortality declines in Niger

In Niger, child mortality rates dropped significantly between 1998 and 2009, with deaths per 1,000 live births decreasing from 226 to 128. The country's universal healthcare system and scale-up of insecticide-treated bed nets, vitamin A supplementation, and community-based treatment also contributed to the decline.

Meta Quest 3 512GB

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

Toward a better material for hip replacement and other joint implants

Scientists have developed a new tantalum nanotube coating that enhances the integration of joint implants with existing bone, promoting improved biocompatibility and reducing the risk of failure. The coating also encourages bone growth and makes the implant more elastic like natural bone.

Invasive 'Rasberry Crazy Ant' in Texas now identified species

The Rasberry Crazy Ant, an invasive species in Texas, has been identified as Nylanderia fulva, which will aid in controlling its spread. The species is now known to be distributed more widely than initially thought and may have invaded all Gulf Coast states.

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.

Ultra-distant galaxy spied amidst cosmic 'Dark Ages'

Astronomers have detected a potentially most distant galaxy ever seen, offering a glimpse into the universe's earliest epochs. The galaxy, observed through gravitational lensing, has a redshift of 9.6 and is estimated to be less than 200 million years old.

Using a laser to 'see' the smallest world

Researchers employed a high-powered laser to dramatically enhance electron paramagnetic resonance (EPR) spectroscopy, allowing for the study of tiny molecules at high resolution. This breakthrough will facilitate discoveries in fields such as new drug development and efficient plastic solar cells.

UNH labs receive 2 NSF grants totalling $1.35m for research instruments

The University of New Hampshire will receive two new instruments, a DNA sequencer and a computer cluster, to advance its genome studies and space science research. The new equipment will enable researchers to study emerging diseases, environmental changes, and space weather with greater precision.

Celestron NexStar 8SE Computerized Telescope

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

Misinformation: Psychological Science shows why it sticks and how to fix it

A new report highlights the cognitive factors that make misinformation sticky, including the need for cognitive effort to reject information. Effective strategies for debunking or counteracting erroneous beliefs include providing alternative narratives, focusing on facts rather than myths, and considering audience beliefs. Research has...