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Science News Archive October 2009


Page 10 of 27

Standards for a new genomic era

Geneticists propose six labels for genome sequence data to estimate quality, ranging from standard draft to finished sequence. This could aid in developing vaccines more efficiently and responding to emergencies.

The first men and women from the Canary Islands were Berbers

Researchers analyzed Y chromosome DNA from human remains on the Canary Islands to determine the origin and evolution of paternal lineages. They found a North African origin for these lineages, which declined due to European colonization and the African slave trade.

Tailoring physical therapy can restore more functions after neurological injury

Researchers at Georgetown University Medical Center found that a tailored approach to physical therapy can restore a wider variety of functions in rats with spinal cord injuries. After four weeks of training on a robotic device, trained animals had shorter stride lengths and improved walking performance compared to non-trained animals.

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.

Carnegie Mellon expands mobile learning project in India

The Carnegie Mellon Mobile & Immersive Learning for Literacy in Emerging Economies (MILLEE) project will conduct a controlled study involving 800 children in 40 villages in Andhra Pradesh, India. The goal is to gauge the effectiveness of mobile phone-based games for teaching English lessons.

Pushing through brain barriers

A Case Western Reserve University engineering professor is developing a miniaturized low-power device to detect how electrical signals and neurotransmitters in the brain work. The device will record 16 channels of chemical and electrical neural activity, measuring neurotransmitters and action potentials in real time.

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.

Damaging inflammatory response could hinder spinal cord repair

A new study suggests that a damaging inflammatory response following spinal cord injury can prevent healing and promote chronic pain. Anti-inflammatory macrophages, which are typically involved in later stages of injury repair, were found to promote effective growth of axons but disappear shortly after an injury.

Single-stranded DNA-binding protein is dynamic, critical to DNA repair

A new study reveals that a single-stranded DNA-binding protein (SSB) moves back and forth along single-stranded DNA, gradually allowing other proteins to repair, recombine or replicate the strands. SSB's dynamic movement is independent of the DNA sequence and modulates the activity of critical DNA repair proteins.

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.

Lifestyle changes remain important in fighting peripheral arterial disease

Researchers found that modifying risk factors through healthy lifestyle changes remains vital to combating peripheral arterial disease. While some patients with blocked leg arteries may not exhibit symptoms, early detection and treatment are still essential to prevent progression and potential complications.

Winners announced in 2009 Collegiate Inventors Competition

Harris Wang won $25,000 for faster cell programming tool MAGE, while Stephen Diebold received a prize for improved pointing stick for people with quadriplegia. Other graduate and undergraduate winners were also announced for their top work.

Infant sucking habits may affect how baby talks

A recent study published in BMC Pediatrics found that persistent sucking habits in infants, such as pacifier or bottle use, may lead to difficulty producing certain word sounds and simplifying pronunciation in preschool children. Delaying introduction of baby bottles until at least 9 months old can reduce the risk of speech disorders.

Apple iPhone 17 Pro

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

Childhood risk factors for developing substance dependence

Researchers have identified childhood risk factors for developing substance use disorders, including increased body sway and reduced P300 amplitude. These early markers can help predict an individual's likelihood of developing a substance use disorder by young adulthood.

The bowels of infection

Researchers found that latent CMV infection exacerbated intestinal inflammation and increased immune responses to normally harmless bacteria, contributing to IBD severity. Latent CMV infection may modulate mucosal immunity and predispose individuals to developing severe acute colitis and subsequently IBD.

Study shows how normal cells influence tumor growth

A new study published in Nature reveals that the loss of a gene called PTEN from surrounding cells can dramatically alter the tumor environment, fostering tumor growth. The findings suggest a new role for PTEN in suppressing cancer development and could lead to entirely new treatments targeting both cancer cells and their surroundings.

Time-keeping brain neurons discovered

Researchers have identified groups of neurons that precisely keep time in the primate brain, allowing for fine-scale control over actions. The discovery opens doors to investigations into how the brain produces and uses its natural time code.

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.

US and Europe different in aldosterone antagonists use in heart failure

A study found that only one-third of US patients meeting guidelines criteria were treated with aldosterone antagonists, compared to 48% in the Euro Heart Failure survey. European clinicians have greater leeway and often push new indications in their practice, leading to a more liberal approach.

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.

Fetal study highlights impact of stress on male fertility

A study suggests that exposure to a combination of stress hormones and chemicals during fetal development can increase the likelihood of reproductive birth defects, including cryptorchidism and hypospadias. The research found that simultaneous exposure to these factors significantly increased the risk of such disorders.

Georgia Tech wins NSF award for next-gen supercomputing

Georgia Institute of Technology receives a five-year, $12 million Track 2 award to develop and deploy two heterogeneous HPC systems for various research projects. The project aims to demonstrate unprecedented performance on computational science applications while addressing energy efficiency challenges.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

The Per Brinck Oikos Award 2010

Professor Hanna Kokko has been awarded the Per Brinck Oikos Award 2010 for her groundbreaking research on ecological and evolutionary dynamics. Her work focuses on the interactions between individual behavior, life-history theory, and population dynamics, with applications to conservation and management problems.

Amphetamine use in adolescence may impair adult working memory

Researchers at the University of Illinois found that rats exposed to high doses of amphetamines during adolescence displayed significant memory deficits as adults. The declines in short-term memory were most pronounced when exposure occurred during adolescence rather than adulthood.

Study surprise yields new target for assessing genes linked to autism

Researchers discovered a new genetic signature that correlates strongly with autism and involves the way genes are turned on and off. The finding may suggest new approaches to diagnosis and treatment of autism, potentially identifying individuals who will respond better to oxytocin treatment.

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.

Internet fuels virtual subculture for sex trade, study finds

A study by Michigan State University found that internet forums are used to share information about prostitution and provide warnings to other 'johns', making it harder for law enforcement. The researchers also discovered that these online communities help individuals justify their behavior and view prostitutes as commodities.

Museums increasingly turn to scientists to preserve treasures

Scientists are increasingly involved in preserving cultural heritage objects, using non-destructive analysis and innovative techniques. Conservation science research is funded by grants from the National Science Foundation, aiming to maximize the preservation of building materials and artworks.

Alzheimer's lesions found in the retina

Researchers have discovered that Alzheimer's disease can cause changes in the retina, which may predict how well treatments will work. The findings could lead to the development of retinal imaging technology for earlier diagnosis and treatment of Alzheimer's, a leading cause of elderly dementia.

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.

Cancer survivors may not be getting the help they need to stop smoking

A recent study published by Fox Chase Cancer Center researchers reveals that nearly a quarter of cancer survivors who still smoke have not been advised to quit by their health care providers in the last year. Health care providers are missing an opportunity to make a significant difference in the quality of life of their patients by no...

Melanoma treatment options 1 step closer

A team of University of Alberta researchers successfully synthesized a natural substance called Palmerolide A, which shows exceptional potential to specifically treat melanoma. The potency of palmerolide is exceptional and may prove to be more effective with less toxicity than current chemotherapy approaches.

Fluke 87V Industrial Digital Multimeter

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

US coal peak production: Point and counterpoint

Experts Dr. David B. Rutledge and Robert C. Milici present opposing views on US coal peak production, with Rutledge estimating ultimate production at 665 billion metric tons and predicting mitigation of CO2 emissions from climate change. Milici's model predicts a range of 2062-2105 for peak production, citing uncertainty in reserve est...

IVF insurance coverage yields fewer multiple births, Yale researchers find

A study by Yale researchers found that states with IVF insurance coverage have lower rates of multiple births compared to those without such coverage. The study suggests that increased costs for couples and insurance companies may lead to more embryos being transferred, resulting in higher-order multiple births.

Older workers spend less on necessities and health care

Research reveals that older workers in Missouri are spending more on transportation, education, and insurance but less on health care and out-of-pocket expenses. The study suggests that older Americans may be working due to financial needs rather than necessity, with lower healthcare costs indicating they might be healthier.

Better blood screening process needed to prevent babesiosis transmission

A recent study published in the journal Transfusion found a significant increase in transfusion-transmitted babesiosis cases in Rhode Island, highlighting the need for better screening tests. The research suggests that blood donors from areas with high prevalence rates should be subject to more rigorous screening protocols.

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.

NASA technology key component of new diagnostic aid from DynaDx

DynaDx has released the Multimodal Pressure-Flow technique, which incorporates NASA's Hilbert-Huang Transform technology to analyze cerebral autoregulation. This allows for fast and reliable results in diagnosing conditions such as traumatic brain injury and hypertension.

Scheduling key to green, efficient airports

A new computerized approach to airport operations aims to reduce delays by analyzing billions of possible scheduling combinations. The system will provide the best advice to controllers on where to send planes, ultimately decreasing pollution and saving thousands of liters of aviation fuel annually.

Media source impacts ag biotech communication

A study examines how public officials obtain information about debatable scientific issues, including agricultural biotechnology. Results show that Texas legislators relied more on the Cooperative Extension Service, while state FFA officers preferred online sources.

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.

Prolonged thumb sucking in infants may lead to speech impediments

Research suggests prolonged thumb sucking and pacifier use beyond 9 months may lead to speech disorders in young children. Delaying bottle use until 9 months old can reduce the risk of speech impediments. The study found that extended sucking behaviors outside breast-feeding tripled the likelihood of developing speech issues.

It takes 2 to tutor a sparrow

In a field study, University of Washington researchers found that juvenile song sparrows learn their repertoire by eavesdropping on singing conversations between two adult birds. This process involves tracking the birds' movements and responses to recorded bird songs played over two speakers.

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.

News brief: Using relative utility curves for risk prediction

A relative utility curve is a simple method to evaluate risk prediction in medical decision-making frameworks. The author illustrates its application in analyzing previously published data involving breast density and risk prediction models for invasive breast cancer.

Luzon expecting a Lupit landfall

Typhoon Lupit is expected to make a brief landfall in northern Luzon, the Philippines on October 22. The storm's eye is forecast to hit around 8 p.m. local time, bringing strong winds and heavy rainfall to the region.

0.2 second test for explosive liquids

Researchers have developed a new spectroscopy method that can detect explosive liquids in plastic bottles instantly, improving airport security. The method uses electromagnetic radiation to identify materials and a nanoelectronic device to detect signals, creating a detailed 'thumbprint' of the liquid's molecular signature.