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Science News Archive 2009


Page 92 of 277

Fad diets in Sweden, of all places

A controversy surrounds Sweden's promotion of low-carb high-fat (LCHF) diets, sparking concern over national public health and individual well-being. Despite scientific evidence, a group of experts was removed from the Swedish National Board of Health and Welfare due to perceived conflicts of interest.

That late-night snack: Worse than you think

A Northwestern University study found that eating at irregular times influences weight gain, with the body's circadian rhythms playing a significant role. The research suggests that modifying meal timing alone can greatly affect body weight, potentially combating obesity.

2 new antibodies found to cripple HIV

Two new broadly neutralizing antibodies (bNAbs) have been discovered to target the HIV virus, providing a promising lead for AIDS vaccine development. The newly found antibodies, PG9 and PG16, attach to a novel site on the virus, making them more accessible for vaccine design.

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.

A unique gateway to timely legal and financial information

The LEX-INFO portal provides access to up-to-the-minute data on legal, taxation, and financial topics. It features a timeline-based organization system, allowing users to quickly access the most current information and connect with relevant case law and expert advice.

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.

Greenlighting a greener world

Professor Christian Wetzel is working to develop efficient green LEDs to bridge the gap in color technology. His goal is to produce true white LEDs and enable widespread adoption of energy-efficient lighting solutions.

New study shows those blinded by brain injury may still 'see'

Researchers found that a patient blinded on one side of his brain could still avoid obstacles in his non-damaged visual field, suggesting ancient visual pathways bypass the main visual areas. These primitive pathways work in real-time and do not access memories, with important implications for rehabilitation.

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.

Scientists from Bonn cool gas by laser bombardment

Researchers at the University of Bonn have demonstrated a method for cooling gas using laser bombardment, which works under pressure. The technique allows for rapid refrigeration capacities, enabling the creation of new states of matter and potentially leading to the development of mini fridges.

Deaths from unintentional injuries increase for many groups

A study by Johns Hopkins Bloomberg School of Public Health found a significant increase in deaths from unintentional injuries, particularly among middle-aged white women and men. The death rate from falls increased by 38% for white men and 48% for white women 65 and older.

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.

UC San Diego to develop ocean observing cyberinfrastructure

The University of California, San Diego will receive $32 million to develop the Ocean Observatories Initiative's cyberinfrastructure. The system will enable near-real-time access to ocean data, transforming ocean science research and education.

Hedgehog trial results suggest antitumor activity in basal cell skin cancer

A Phase I clinical trial tested GDC-0449, a Hedgehog Pathway Inhibitor, and demonstrated tumor shrinkage and limited side effects in patients with locally-advanced and metastatic basal cell carcinoma. The study's results suggest a durable clinical benefit, offering hope for patients with advanced skin cancer.

Clemson University researcher regenerates brain tissue in traumatic injuries

A Clemson University bioengineer has developed an injectable biomaterial gel that promotes the growth of neural stem cells at the site of a traumatic brain injury, structurally repairing damaged brain tissue. The procedure shows promise for treating head injuries caused by car accidents, falls, and gunshot wounds.

Apple iPhone 17 Pro

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

Secrets of the 4 chambers revealed by reptile hearts

Scientists have identified a genetic link in reptile hearts that sheds light on the evolution of the four-chambered heart. The study reveals that the transcription factor Tbx5 plays a crucial role in forming the heart, with warm-blooded embryos showing clear restriction to the left side of the ventricle.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

YouTube videos yield clues to brain injury symptom

Researchers at the University of Kentucky have identified a visible response to head trauma called the 'fencing response,' which can indicate damage to brainstem regions. This finding has immediate value for coaches and trainers, as it provides an objective cue to assess whether an athlete should return to play after a blow to the head.

Vitamin C deficiency impairs early brain development

Research at University of Copenhagen suggests that vitamin C deficiency in pregnant and breast-feeding women may lead to impaired mental development in new-born babies. Guinea pigs subjected to moderate vitamin C deficiency have reduced hippocampal neurons and spatial memory impairments.

Boron-based compounds trick a biomedical protein

Researchers at the University of Oregon have successfully demonstrated that specially synthesized boron compounds can be accepted by biologically active enzymes. This breakthrough could lead to new drug design strategies and boost boron's expanding use in medicine.

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.

A breath of fresh air could improve drug toxicity screening

A team of researchers at Massachusetts General Hospital has developed a new way to culture liver cells for drug toxicity screening, using a high-oxygen environment and serum-free medium. This method significantly improves the function of cultured liver cells, enabling them to predict the clearance rates of drugs with high accuracy.

Study reveals seismic shift in methods used to track earthquakes

Scientists have developed a new method to monitor underground movements using earthquake data, allowing for comprehensive mapping of the Earth's seismic activity. This breakthrough increases the number of locations that can detect seismic activity and enables monitoring from far deeper within the Earth.

Hospital infections cost $1 billion in lost bed days

A new study by Queensland University of Technology found that hospital infections cost the Australian healthcare system over 850,000 lost bed days annually. Reducing these rates could release up to 150,158 bed days, allowing for an estimated 38,500 additional admissions.

Keeping the suicidal soldier alive

Researchers have developed a predictive tool to detect at-risk soldiers with post-traumatic stress disorder (PTSD) using functional magnetic resonance imaging (fMRI). The study shows that fMRI can be used to forecast which soldiers might be vulnerable to stress psychopathology in the future.

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.

Study: Torture reports rose despite UN convention

A new study published in The Journal of Legal Studies found that government use of torture increased worldwide between 1985 and 2003, contradicting international norms. Despite over 75% of countries signing the UN Convention Against Torture, torture reports remained common in 69% of nations.

DNA mutations linked to diabetes

Researchers at Karolinska Institutet found epigenetic DNA mutations in muscles of diabetics that reduce expression of PGC-1α gene. This could explain how environmental factors influence disease development.

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.

Dead ahead: Similar early warning signals of change in climate

Researchers found that similar symptoms occur in many systems as they approach a critical state of transition, indicating 'tipping points' for abrupt changes. These early-warning signals are observed in ecosystems, financial markets, and human physiology, highlighting the potential for catastrophic bifurcations.

University of Hawaii at Manoa astronomer finds giant galaxy

Astronomers have discovered a giant galaxy surrounding the most distant black hole ever found, 12.8 billion light-years from Earth. The galaxy is as large as the Milky Way and harbors a supermassive black hole with at least a billion times more matter than our sun.

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.

HPV vaccine could prevent breast cancer: Australian research

Researchers at the University of New South Wales found high-risk HPV strains in 39% of ductal carcinoma in situ and 21% of invasive ductal carcinoma breast cancer specimens. The study suggests a causal role for HPV in many breast cancers, establishing the possibility of preventing some breast cancers by vaccination against HPV.

Trash or treasure? Discarded US computers often get a second life

A study found that at least 85% of computers imported into Peru are reused, rather than going directly into recycling. The US is the source of up to 76% of used computers imported to Peru, challenging the widespread belief that e-waste is mainly about dumping unusable junk.

Meta Quest 3 512GB

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

Rise in weight-loss drugs prescribed to combat childhood obesity

A new study finds that thousands of children and adolescents are using off-license weight-loss drugs, with most stopping use before benefits can be seen. Researchers highlight the need for more support and awareness about potential side effects to prevent misuse.

Sustainable fertilizer: Urine and wood ash produce large harvest

Researchers found that urine-based fertilizer alone can produce four times more tomatoes than non-fertilized plants, while combining with wood ash reduces acidity in acidic soils. This innovative approach provides a low-cost and chemical-free method for increasing crop yields.

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.

Believing is seeing

Researchers found that initial thoughts about others' emotions bias subsequent facial expression perception and memory. Participants who initially interpreted faces as angry remembered them expressing more anger, while those who interpreted them as happy remembered less anger.

Why solitary reptiles lay eggs in communal nests

Female reptiles lay eggs in communal nests, defying their solitary nature. The behavior is common among 255 lizard species and many snake and alligator species, with potential advantages including reduced nesting costs.

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.

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 computer models aim to classify, help reduce injury accidents

Researchers developed computer models to classify injury reports based on specific words or phrases, identifying key causes of injuries. The models achieved high accuracy rates, comparable to human coders, and have the potential to lead to automated report coding programs.