Add BrightSurf on Google Email

Science News for December 18, 2007


Cold feeling traced to source

Researchers have visualized cold-sensing fibers led by the gatekeeper protein TRPM8, revealing a single pathway for detecting various types of cold. The study provides evidence that TRPM8 is involved in several cold-sensing mechanisms, including pain and sensation.

SourceUniversity of Southern California·DateDec 18, 2007

Built-in exercise monitor predicts fitness

A study published in European Journal of Applied Physiology found a consistent correlation between actual and perceived exertion in people of all fitness levels. Researchers say an individual's sense of hard work matches the level of physical exertion measured by heart-rate and oxygen uptake.

SourceUniversity of Exeter·JournalEuropean Journal of Applied Physiology·DateDec 18, 2007
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.

Study investigates cannabis use among university students

A survey of 17- to 29-year-old university students found that users believed cannabis would help them fit in, feel relaxed, and forget their worries. Non-users cited work and study as strong reasons for not using cannabis.

SourceBlackwell Publishing Ltd.·JournalJournal of Applied Biobehavioral Research·DateDec 18, 2007
Apple iPhone 17 Pro

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

Early surgical treatment contributes to better outcomes in gallstone pancreatitis cases

A study published in the Journal of the American College of Surgeons found that early cholecystectomy significantly reduces hospital stays in patients with mild to moderate gallstone pancreatitis. The procedure can benefit both individual patients and hospitals by reducing hospital time by three or four days.

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateDec 18, 2007

Stanford's nanowire battery holds 10 times the charge of existing ones

Stanford researchers have developed a new type of lithium-ion battery using silicon nanowires, which can store up to 10 times more electricity than traditional batteries. This breakthrough could make Li-ion batteries more attractive for electric cars and home energy storage.

SourceStanford University·JournalNature Nanotechnology·DateDec 18, 2007
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.

Ant invaders eat the natives, then move down the food chain

The Argentine ant's invasive success is attributed to its adaptability and ability to outcompete native ants. As it displaces native species, the ants begin foraging lower on the food chain, exploiting honeydew excretions of aphids and scale insects.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateDec 18, 2007

An ambulance man for muscle damage

Researchers have found a naturally occurring protein called CnAß1 that permanently activates calcineurin, increasing muscle stem cell proliferation and regeneration. This uncouples the protein's activity from injury signals, making it a promising candidate for treating muscle damage and wasting.

SourceEuropean Molecular Biology Laboratory·JournalJournal of Cell Biology·DateDec 18, 2007
Meta Quest 3 512GB

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

Mutant gene identified as villain in hardening of the arteries

A study by Yale School of Medicine identified a genetic mutation that expands lesions in the aorta and promotes coronary atherosclerosis. The researchers found that mice lacking the Akt1 gene developed more severe aortic atherosclerosis, highlighting the importance of this gene in regulating endothelial cell development

SourceYale University·JournalCell Metabolism·DateDec 18, 2007

Cancer and arthritis therapy may be promising treatment for diabetes

Researchers at Yale University found that an antibody used to treat certain cancers and rheumatoid arthritis delays type 1 diabetes in mice. The treatment works by depleting B cells, which can continue to suppress the inflammatory response even after the antibody is no longer administered.

SourceYale University·JournalJournal of Clinical Investigation·DateDec 18, 2007

Childhood exposure to disadvantaged neighborhoods negatively affects verbal ability

A Harvard University study found that living in a severely disadvantaged neighborhood decreases later verbal test scores by about four IQ points, equivalent to missing a year of school. This effect persists even after moving out of the neighborhood, highlighting the importance of addressing social factors beyond economic situation.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateDec 18, 2007
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.

Solar cells of the future

Researchers at University of Copenhagen have discovered a new material that can convert up to 30% of solar energy into electricity, twice the current conversion rate. The use of nanotechnology reduces production costs and minimizes energy loss in solar cell transportation.

SourceUniversity of Copenhagen·JournalNature Nanotechnology·DateDec 18, 2007

Link between chronic kidney disease and oxygen-deprived tissue

Researchers found that a protein called hypoxia-inducible-factor (HIF-1) promotes the synthesis of fibrous connective tissue in kidneys, leading to reduced oxygenation and progression of chronic kidney disease. The study used mice with silenced HIF-1a to demonstrate the link between low oxygen conditions and CKD.

SourceUniversity of Pennsylvania School of Medicine·JournalJournal of Clinical Investigation·DateDec 18, 2007

University of Maryland researchers develop 2-D invisibility cloak

The University of Maryland researchers have developed a 2D invisibility cloak that refracts visible light around an object, making it invisible. The cloak is created using a thin, transparent acrylic plastic layer with a gold film and can be integrated into a conventional optical microscope to view nanoscale details.

SourceUniversity of Maryland·DateDec 18, 2007
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.

Unsupervised children are more sociable and more active

A study conducted by University College London found that unsupervised children engage in more physical activity, such as walking and playing, due to the ability to explore their local environment. This leads to improved social skills and overall well-being.

SourceUniversity College London·JournalBuilt Environment·DateDec 18, 2007

Rutgers neuroscience may hold key to hearing loss remedy

Researchers at Rutgers University have made a breakthrough in understanding the complex mechanisms behind cochlear implants. By studying the role of neurotrophin proteins, they may be able to develop a new generation of implants that can improve hearing for all patients, regardless of their level of impairment.

SourceRutgers University·DateDec 18, 2007

Deep Impact extended mission heads for comet Hartley 2

The EPOXI mission will use the Deep Impact spacecraft to search for Earth-sized planets around five stars and conduct an extended flyby of Comet Hartley 2, studying its surface and composition. This new mission aims to better understand how solar systems form and evolve.

SourceUniversity of Maryland·DateDec 18, 2007
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.

Vitamin B12 function may be diminished by excessive folate

Researchers found that high blood folate levels can increase homocysteine and methylmalonic acid in individuals with vitamin B12 deficiency, worsening symptoms. This study suggests that excessive folate may compromise the body's ability to use vitamin B12 effectively.

SourceTufts University, Health Sciences Campus·JournalProceedings of the National Academy of Sciences·DateDec 18, 2007

Evolution tied to Earth movement

Researchers argue that the accelerated uplift of mountains and highlands in East Africa blocked ocean moisture, favoring human ancestors who adapted to walking on two feet. The 'Wall of Africa,' spanning from Ethiopia to South Africa, played a significant role in shaping climate and vegetation.

SourceUniversity of Utah·DateDec 18, 2007

What's health care like in America's prisons and jails?

Research published in Journal of Correctional Health Care explores the history and future of correctional health care in America's prisons and jails. Inmates often experience inadequate access to quality care, leading to poor health outcomes, and follow-up care after release is also a concern.

SourceSAGE·JournalJournal of Correctional Health Care·DateDec 18, 2007

Fetal surgeon shows for first time that laser procedure may treat vasa previa

A University of South Florida fetal surgeon successfully treated a rare condition where placental blood vessels block the birth canal and can rupture during labor. The laser procedure sealed off the abnormal fetal blood vessels, eliminating prolonged hospitalization and allowing the pregnancy to progress with a vaginal delivery.

SourceUniversity of South Florida (USF Health)·JournalThe Journal of Maternal-Fetal & Neonatal Medicine·DateDec 18, 2007

Study examines imaging procedures for diagnosing blood clots in the lung

Researchers compared computed tomographic pulmonary angiography (CTPA) to conventional lungs scans for excluding pulmonary embolism. While CTPA detected more clots, it also resulted in a higher rate of venous thromboembolism diagnoses. The study suggests that CTPA may be a safe and reliable alternative to ventilation-perfusion scanning.

SourceJAMA Network·JournalJAMA·DateDec 18, 2007
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.

Weather, risky business for some

A new research project funded by the National Science Foundation aims to improve weather models and analysis for industries such as food, clothing, and energy. The goal is to educate meteorologists on how to apply weather forecasts to real-world business decisions.

SourcePenn State·DateDec 18, 2007

Plant geneticists find veritas in vino

Researchers have sequenced the high-quality draft genome of a Pinot Noir grape, providing insights into its relatively small genome and heterozygosity. The discovery offers a treasure trove of variation to investigate gene characteristics and evolution.

SourcePLOS·JournalPLOS ONE·DateDec 18, 2007

UT-Houston's Northrup and colleagues uncover genetic link to spina bifida

Researchers at UT-Houston have discovered an association between genes regulating glucose metabolism and spina bifida, a birth defect that affects the spine. The study found variants in three glucose metabolism genes were linked to an increased risk of spina bifida.

SourceUniversity of Texas Health Science Center at Houston·JournalReproductive Sciences·DateDec 18, 2007
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

FDA approves Bystolic, a novel beta blocker

Bystolic is a once-daily medication that can be used as monotherapy or in combination with other treatments to reduce blood pressure. It selectively blocks the effects of adrenaline at the heart and vasodilates blood vessels, offering a low incidence of traditional beta blocker side effects.

SourceFleishman-Hillard, Inc.·DateDec 18, 2007

Safer, more accurate radiation therapy for expecting mothers

Researchers at Rensselaer Polytechnic Institute have developed new modeling tools to create accurate computer simulations of the human body during pregnancy. This breakthrough enables safer and more effective radiation therapy and nuclear medicine imaging procedures for expecting mothers.

SourceRensselaer Polytechnic Institute·JournalPhysics in Medicine and Biology·DateDec 18, 2007

Move over, silicon: Advances pave way for powerful carbon-based electronics

Researchers have created a practical technique to replace silicon with graphene, a single layer of carbon atoms, allowing for 10 times better information processing and radio transmission capabilities. This breakthrough could lead to the development of high-performance wireless devices within a few years.

SourcePrinceton University, Engineering School·JournalNano Letters·DateDec 18, 2007
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.

No need for reduced alcohol consumption in later life

Two studies from the Peninsula Medical School found that moderate drinking is fine for over 65s, with some cases showing better cognitive and general health than abstinence. The research showed no increased risks of physical disability, mortality, or depression among moderate drinkers.

SourceThe Peninsula College of Medicine and Dentistry·JournalJournal of the American Geriatrics Society·DateDec 18, 2007

A single bone mineral density test predicts 'silent' spinal fractures years later

A bone mineral density test given 15 years earlier predicted a woman's risk of developing fractures to her spine over time. More than half of the women with low BMD and existing spinal fractures developed new fractures over the 15-year study period, highlighting the importance of BMD testing for women over 50.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalJAMA·DateDec 18, 2007

Intergalactic 'shot in the dark' shocks astronomers

A team of astronomers discovered a long-duration gamma-ray burst (GRB) in the middle of nowhere, thousands of light-years from the nearest galaxy. The GRB's afterglow was bright and fast-fading, but there was no dense gas or dust to absorb its light.

SourceNASA/Goddard Space Flight Center·DateDec 18, 2007
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.

Why diving marine mammals resist brain damage from low oxygen

A study by researchers at the University of California, Santa Cruz, found that certain marine mammals have evolved to protect their brains from conditions of low oxygen. The amounts and kinds of globins in the brain correlate with physical activity patterns of various wild mammals.

SourceUniversity of California - Santa Cruz·DateDec 18, 2007

IOF applauds NOS on NICE Guidance appeal success and urges continued efforts

The International Osteoporosis Foundation (IOF) applauds the National Osteoporosis Society's (NOS) success in appealing the National Institute for Health and Clinical Excellence's (NICE) Guidance on osteoporotic fracture prevention. IOF calls for continued efforts to ensure clinically appropriate treatments are made available.

SourceInternational Osteoporosis Foundation·JournalBone·DateDec 18, 2007

Family ties that bind: Maternal grandparents are more involved in the lives of their grandchildren

A recent study found that maternal grandparents were more likely to maintain daily or weekly contact with their grandchildren than paternal grandparents. The research suggests psychological mechanisms rooted in evolutionary history, where women are always related by maternity, making family ties through the mother more significant.

SourceNewcastle University·JournalEvolutionary Psychology·DateDec 18, 2007
Fluke 87V Industrial Digital Multimeter

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

Colon cancer screenings may not pay off and could pose harm to some

A new study by Yale School of Medicine researchers suggests that colon cancer screenings may bring little benefit and pose harm to certain patients. The 'payoff time' method estimates the minimum time required for screening benefits to outweigh harms, revealing a significant gap in current guidelines.

SourceYale University·JournalArchives of Internal Medicine·DateDec 18, 2007