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Science News Archive July 2008


Page 13 of 20

Weeding out the highs of medical marijuana

Researchers are investigating new strategies for targeting the endocannabinoid system, which plays a role in pain relief and treating conditions like obesity and nicotine addiction. These studies aim to develop new drugs that can selectively target cannabinoid receptors without causing psychoactive side effects.

'Healthy' sterols may pose health risk

A study found that plant sterols can accumulate in aortic valves, increasing the risk of stenosis. High levels of plant sterols were linked to higher blood concentrations, suggesting a potential health risk.

Apple iPhone 17 Pro

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

Study examines anti-clotting therapy following cardioembolic stroke

A study examining anti-clotting therapy following cardioembolic stroke found that warfarin treatment appears to be safe and can begin at any point during hospital stay. In contrast, bridging with full doses of heparin or enoxaparin may carry high risk of intracranial and systemic bleeding.

Rx for time-crunched physicians

Researchers at the University of Washington have developed a model for effective physician-patient communication that enhances quality of care while using time wisely. The model focuses on establishing rapport, understanding the patient's perspective, and reaching a mutual agreement on a plan, allowing physicians to be more efficient w...

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.

Exercise may prevent brain shrinkage in early Alzheimer's disease

A recent study found that people with higher physical fitness levels had larger brains compared to those with lower fitness, suggesting exercise may preserve brain function and reduce cognitive decline in early Alzheimer's disease. The study also revealed no relationship between fitness and brain changes in healthy individuals.

Dramatic increase in 'Tommy John' surgery in young patients cause for concern

A study found that 83% of young athletes who underwent 'Tommy John' elbow reconstruction surgery were able to return to the same or better level of play. However, the increasing trend of young athletes requiring the surgery is alarming, highlighting the need for prevention and rest to avoid long-term arm injuries.

Allergy to road traffic

A German research group found associations between exposure to traffic-related air pollution and the onset of allergic diseases in children. Children living less than 50m from a busy main road were 1-50% more likely to contract diseases like asthmatic bronchitis, hay fever, and eczema.

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.

'Cross fire' from the brain makes patients tremble

Jülich scientists have discovered the mechanism behind Parkinsonian tremor and developed a new deep brain pacemaker to disrupt it. The device influences disturbed neurons in the core region of the brain, causing irregular rhythms that break down diseased modes.

Sounding out heart problems automatically

Researchers have developed an analytical method using Empirical Mode Decomposition (EMD) to classify a wider range of heart sounds than skilled physicians can. The EMD system, trained with AI algorithms, outperforms conventional methods in identifying murmurs and other anomalies.

Psychologist poses new hand-eye relationship

Researchers at Washington University in St. Louis found that humans inspect objects more thoroughly when their hands are near them, indicating a new insight into brain wiring that could impact rehabilitative therapy techniques and prosthetic design.

Scientists discover key patterns in the packaging of genes

Researchers identified 39 histone modifications and a core set of 17 associated with active genes. These combinations, known as 'backbone sets,' were found to be present in more than a quarter of promoter regions, suggesting specific meanings for specific patterns of modification.

Fluke 87V Industrial Digital Multimeter

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

Children are naturally prone to be empathic and moral

Researchers used fMRI scans to study children's responses to pain and found that their brains showed similar activation patterns to adults. The study also discovered additional brain regions activated when children saw someone intentionally hurt by another individual.

Magnolia compound hits elusive target in cancer cells

Researchers have discovered that a natural compound from magnolia cones can block a previously 'undruggable' pathway for cancer growth. This finding could lead to the development of new treatments by making tumors more sensitive to traditional chemotherapy drugs.

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.

Non-parental care of infants tied to unfavorable feeding practices

A new study by University of Illinois and Harvard University researchers found that non-parental care of infants is associated with higher rates of overweight and unfavorable feeding practices. Infants in child-care settings were more likely to be overfed or underfed, leading to weight gain.

Researchers: Program discourages HIV transmission in Russia

A study published in the journal Addiction found that sexual behavior counseling during drug addiction treatment can decrease risky sexual behavior and HIV transmission in Russian substance-dependent individuals. The PREVENT program, a behavioral intervention, was effective in increasing safe sex among participants.

Binge drinking tied to conditions in the college environment

A landmark study found that college environments with easy access to alcohol, weak control policies, and lax enforcement contribute to binge drinking. Colleges with restrictive policies and substance-free housing options have lower binge drinking levels.

'Fuel for thought' on transport sector challenges

The CSIRO report 'Fuel for thought' explores the challenges and opportunities in reducing greenhouse gas emissions from the transport sector. It suggests that Australia's fuel mix will include expanded use of diesel, gaseous fuels and hybrid electric vehicles to address economic risks associated with rising oil prices and climate change.

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.

Lead shot and sinkers: Weighty implications for fish and wildlife health

Numerous studies have documented adverse effects of lead on wildlife, particularly waterbirds and scavenging species, due to ingested lead shot, bullets, and fishing sinkers. The use of lead ammunition remains common despite bans on waterfowl hunting, with upland game and scavenging birds continuing to be exposed.

National Institutes of Health award Williams professor $217,710 research grant

Thomas E. Smith, associate professor of chemistry at Williams College, has been awarded a $217,710 three-year grant by the National Cancer Institute to develop new methods for synthesizing pyran-based anticancer compounds. The research will focus on natural products with promising medicinal value, including acutphycin and tedanolide C.

JCI online early table of contents: July 10, 2008

A mouse study reveals that sex-specific growth hormone secretion patterns mediate gender-associated differences in susceptibility to diseases caused by inappropriate thrombosis. Additionally, research identifies the protein FGF9 as a key player in prostate cancer progression to osteoblastic bone metastases.

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.

Why men are more at risk of diseases caused by blood clots than women

A study found that male mice are more susceptible to blood clots due to sex-specific growth hormone secretion patterns. The researchers used a mouse model of thrombosis and discovered that pulsatile GH secretion in males protects against clot formation, while continuous GH secretion in females has the opposite effect.

Location, location, location

Neuroscientists at Georgetown University Medical Center found that transportation of brain transcripts is essential for growth and connection between neurons, forming the basis of memory and learning. This discovery may provide clues to understanding mental retardation and overall brain functioning.

DNA sewing machine

Researchers develop unique method to sew long DNA threads into shape using micron-sized hooks controlled by lasers, allowing for high-spatial resolution gene location detection. The technology has potential applications in DNA sequencing and molecular electronics.

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.

Middle Eastern families yield intriguing clues to autism

A study of Middle Eastern families with a high incidence of autism identified six new genes involved in the brain's ability to form new connections. The findings suggest that autism may stem from disruptions in experience-dependent learning, which is essential for learning and memory.

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.

Novel approach may protect against heart attack injury

A new study by researchers at Children's Hospital of Philadelphia may lead to an emergency treatment for heart attack patients. By targeting gene pathways and inhibiting enzymes, the approach has shown promising results in reducing tissue damage and cell death during ischemia.

MIT opens new 'window' on solar energy

A new solar concentrator design developed by MIT engineers could significantly increase the efficiency of solar panels and reduce their costs. By using a mixture of dyes to concentrate sunlight, the system can boost electrical power obtained from each solar cell by a factor of over 40.

Comparing apples and pears

Researchers at the European Synchrotron Radiation Facility have visualized air pathways in apples and pears, showing that these microscopically small structures play a crucial role in determining fruit health. The study reveals that pears are more susceptible to decay due to their smaller oxygen supply channels.

Researchers catch ion channels in their opening act

A new study measures movements smaller than one-billionth of a meter in ion channels, revealing that the voltage sensor moves by only a small amount to allow ion flow. The findings challenge models that predicted large movements of protein segments, providing new insights into the complex process of generating electrical impulses.

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.

Zooming in on genetic shuffling

Researchers at EMBL generated the most precise map of genetic recombination in yeast, revealing new insights into its organisation. The study provides a wealth of information about crossover and non-crossover events, with implications for tracking disease genes in humans.

Wasps and bumble bees heat up, fly faster with protein-rich food

Biologists found that wasps warm up when finding protein-rich meat and bumble bees do the same with pollen, suggesting an ancestral behavior. Both insects' elevated body heat may be a signal to other bees that has acquired meaning beyond its original physiological function.

Good news about $4 gas? Fewer traffic deaths

A new study by researchers at the University of Alabama at Birmingham found that higher gasoline prices can lead to a significant reduction in traffic deaths. According to the analysis, death rates could drop by over 1,000 per month nationwide if gas remains at $4 a gallon or higher for a year or more.

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.

Cancer drug shows promise against graft vs. host disease

Researchers found that an HDAC inhibitor, SAHA, significantly diminishes the destructive effects of dendritic cells in graft-versus-host disease, offering a novel treatment option. The study suggests a potential new approach to treating the major complication of bone marrow transplants and autoimmune diseases.

Study reveals potential reasons for school absenteeism

A questionnaire of Swiss schoolchildren revealed truancy and school fear linked to life events, parental behavior, and school environment. 6.9% experienced school fear at thirteen years old, increasing to 18.5% at sixteen years old, with girls more likely than boys.

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.

James Briscoe awarded 2008 EMBO Gold Medal

Briscoe's work revealed a novel mechanism that allows cells to integrate time of exposure and concentration of Shh to mount a graded response, leading to a paradigm shift in understanding cell identity specification. His research has far-reaching implications for the control of cell identity in various contexts.

Researchers unveil near-complete protein catalog for mitochondria

Scientists have created a comprehensive 'parts list' to date for mitochondria, including nearly 1,100 proteins, with insights gained into the biological roles and evolutionary histories of key proteins. The researchers identified a mutation in a novel gene as the cause behind one devastating mitochondrial disease.

Toothpick: New molecular tag IDs bone and tooth minerals

Researchers at NIST have identified a small biomolecule that binds specifically to hydroxyapatite, the key crystal structure of teeth and bones. This new peptide can be used as a nondestructive tag to monitor bone and tooth mineralization.

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.

1/3 of reef-building corals face extinction

A third of reef-building corals are threatened with extinction, according to a comprehensive global assessment. Climate change and human activities such as destructive fishing and pollution are leading causes of coral bleaching and disease.

New hearing aid technology passes the restaurant noise test

A new hearing aid technology has been shown to improve speech intelligibility in noisy environments like restaurants. The open-fit hearing aids with directional microphones outperformed traditional options and provided a 20% improvement in speech clarity.