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Science News Archive July 2010


Page 20 of 23

Study sheds light on triglyceride metabolism

A study published in Cell Metabolism identifies GPIHBP1 as the key protein responsible for transporting lipoprotein lipase (LPL) into capillaries. This discovery offers new insights into the causes of hypertriglyceridemia, a risk factor for cardiovascular disease.

Cholesterol's other way out

Researchers have discovered a new route for delivering cholesterol into the feces, revising understanding of cholesterol loss. This finding suggests that an alternative pathway may deliver cholesterol directly to the intestine through the bloodstream, potentially reducing side effects associated with bile-based cholesterol delivery.

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.

Hospital hyperglycemia may predict future diabetes

Researchers found a significant association between acute illness complicated with hyperglycaemia and the development of type II diabetes or glucose intolerance. Patients with hospital-acquired hyperglycaemia during critical illness are at increased risk of developing diabetes, suggesting regular monitoring is necessary.

Amid the murk of 'gut flora,' vitamin D receptor emerges as a key player

The study found that the vitamin D receptor helps regulate bacterial activity, responds to cues, and counters their presence. It also plays a key role in defending against Salmonella infection and squelching inflammation by binding to NF-Kappa B and preventing it from activating other inflammatory molecules.

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.

URI researcher: Teens drink more during summer before college

A recent study by URI researcher Mark Wood found that teens tend to increase their alcohol consumption during the summer before entering college. The study's results suggest that parents who monitor their children's activities, provide emotional support, and express clear disapproval of alcohol use can help decrease drinking and relate...

ARS study eyes egg quality and composition

An ARS study found that there is no substantial quality difference between organically and conventionally produced eggs, contrary to common claims on cartons. The study also revealed differences in size and composition among various types of eggs, but these did not affect overall quality.

New Keck website unveiled, demonstrates advances in digital mapping

The new Keck website demonstrates advances in digital mapping by providing a customizable interface for users to access various data sets. The site combines ArcGIS Server and Google maps, offering an intuitive way to access data, and is significantly faster than comparable searches, returning results five to six times faster.

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.

Multicolor quantum dots aid in cancer biopsy diagnosis

Researchers developed multicolor quantum dot staining to identify Reed-Sternberg cells, characteristic of Hodgkin's lymphoma. This method allows for rapid detection and identification of rare malignant cells from heterogeneous tissue specimens.

Glucosamine appears to provide little benefit for chronic low-back pain

A randomized controlled trial found that patients with chronic low-back pain and degenerative lumbar osteoarthritis who took glucosamine for six months showed no significant difference in pain-related disability, pain, or quality of life compared to those who received a placebo. The study suggests that further research is needed to det...

Marine scientists return with rare creatures from the deep

Researchers found diverse marine life on the Mid-Atlantic Ridge, including a missing evolutionary link between backboned and invertebrate animals. The team discovered three new species with different colors and shapes, as well as sea cucumbers with unique swimming abilities.

Fat cells play key role in development of type 2 diabetes

New research reveals that cellular changes in fat tissue, rather than the immune system, contribute to glucose intolerance and type 2 diabetes. The study found that a specific gene, protein kinase C-zeta, promotes inflammation in fat cells, leading to insulin resistance.

A risk factor of gallstone formation after radical gastrectomy

A study published in the World Journal of Gastroenterology found that patients with the X+ allele of the APOB gene have a higher incidence of gallstone formation after radical gastrectomy. This is due to increased levels of TC and LDL, leading to bile cholesterol saturation and an increased risk of gallstones.

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.

For lambs, a pasture a week keeps blood suckers away

A study by the US Department of Agriculture's Agricultural Research Service found that rotational grazing and checking a lamb's eye color can minimize deworming. The researchers tested 71 lambs with the barber pole worm, finding that gel capsules filled with copper oxide wire particles eliminated the need for conventional dewormers in ...

UNC team finds new target for treatment of advanced prostate cancer

A recent study by UNC researchers provides evidence that a specific gene, MAGE-11, interacts with proteins to promote androgen receptor activity in advanced prostate cancer cells. This finding opens the door to additional targets for new therapies and broader clinical applications of new drugs.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Neural stem cells attack glioblastoma cells

Researchers identify a protein released by neural stem cells that induces signaling in glioblastoma cells, causing them to differentiate. This discovery could lead to new therapy concepts targeting tumor stem cells and potentially destroying the aggressive brain tumors.

AIAA to present awards at 46th Joint Propulsion Conference

The American Institute of Aeronautics and Astronautics (AIAA) will present several awards at the 46th Joint Propulsion Conference & Exhibit. These include the AIAA Air Breathing Propulsion Award to Bobby Berrier for his contributions to propulsion airframe integration, and the AIAA Propellants and Combustion Award to David G. Lilley fo...

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.

Therapist competence matters -- and more for some patients than others

A new study found that depressed patients who receive more competent therapy show significant symptom improvement. Therapist competence was particularly important for patients with anxiety and early onset depression. While competence predicted better outcomes in the short-term, its impact waned over time.

Using ultrasound to control toxic algal blooms

Researchers at the University of Adelaide are exploring ultrasound to combat blue-green algae blooms in water supplies, a significant global problem. They aim to develop an environmentally friendly and cost-effective method using low-amplitude ultrasound to immobilize the algae without releasing toxins.

Scientists design new delivery device for gene therapy

Researchers create nanoparticle that effectively delivers genetic material into cells, outperforming existing methods. The device, a vector, is between 2 ½ and 10 times more effective than other experimental materials, according to the research.

Apple iPhone 17 Pro

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

Changing climate could alter meadows' ecosystems, says ISU researcher

A study by ISU researcher Diane Debinski found that drought conditions could lead to a shift from flowering plants to shrubs in montane meadows. This change could impact wildlife populations, including elk, bison, and pollinators like butterflies. Medium-moisture meadows may be particularly vulnerable to climate change.

Shocking results from diamond anvil cell experiments

Researchers achieved unprecedented pressures, temperatures, and time scales to study metastable states of argon under ultra-high pressure. This technique allows for direct comparison with molecular dynamics simulations and expands our understanding of planetary interiors and exotic behavior.

The Framingham Heart Study -- global impact, ongoing influence

The Framingham Heart Study has had a profound impact on the understanding and prevention of cardiovascular disease. The study's findings have led to significant reductions in cardiovascular mortality rates worldwide, particularly in the United States. Its legacy continues to shape public health initiatives globally.

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 study confirms positive effects of delayed school start times

A study at a small private high school in Rhode Island found that delaying school start time by 30 minutes improved adolescent alertness, mood, and health. The researchers observed significant increases in sleep duration, decreases in daytime sleepiness, and improvements in motivation.

Isolation a threat to Great Barrier Reef fish

Research suggests that small and isolated reefs are more susceptible to local species extinctions due to variable fish populations. Larger, connected habitats see fewer fluctuations in population sizes, making them more resilient to changes.

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.

Water's unexpected role in blood pressure control

Researchers at Vanderbilt University Medical Center have discovered that water increases the activity of the sympathetic nervous system, raising alertness, blood pressure, and energy expenditure. Drinking water may also reduce fainting responses in blood donors by 20 percent, according to the study.

Intrahepatic clear cell cholangiocarcinoma

A case report describes a rare instance of intrahepatic clear cell cholangiocarcinoma, highlighting its distinct characteristics and low risk of metastasis. The cancer's unique cell structure and lack of mucin production set it apart from conventional HCCs.

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.

Bacterial diversity of Tablas de Daimiel studied for first time

Researchers studied the bacterial community structure in four environments of the Tablas de Daimiel National Park, revealing similarities and differences between them. The study found 265 new phylum groups, including those related to Proteobacteria, which are abundant in the superficial sediment sample.

Want to slow aging? New research suggests it takes more than antioxidants

A new study published in Genetics found that mutations in 10 different genes of worms can extend lifespan without reducing oxidative stress. This discovery challenges the long-held notion that oxidative stress is responsible for aging and suggests a slow rate of metabolism may be key to increasing longevity.

Head and spine trauma from ATV accidents cost $3.24 billion annually

ATV accidents result in severe head and spine trauma, costing $3.24 billion annually, with children under 20 years old accounting for 42% of these injuries. The study highlights the need for improved ATV stability, increased helmet use, and rider training to reduce the risk of such accidents.

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.

Nano-sized light mill drives micro-sized disk

Researchers have created a nano-sized light mill motor that can control rotational speed and direction by tuning incident light waves. The motor's power density is high, and it can be used to drive micro-scale objects, enabling new applications in nanotechnology and biology.

Competition is a double-edged sword for teenage girls

A study by Dr. David Hibbard and Dr. Duane Buhrmester found that competing to win is detrimental to teenage girls' social relationships and well-being, while competing to excel has no gender differences in its effects. Competing to excel benefits both genders, improving self-esteem and reducing depression.

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.

Searching for causes of neural disconnection in schizophrenia

Studies found higher and lower levels of genes regulating spine plasticity in individuals with schizophrenia. These alterations may contribute to layer-specific deficits in dendritic spines, a structural abnormality relevant to the disorder. Further research aims to develop new treatments targeting these disturbances.

The long-term fate of the oil spill in the Atlantic

Researchers used computer simulations to study the possible spread of the Deepwater Horizon oil spill in the Atlantic over a year. The study found that about 20% of the initial particles had been transported through the Straits of Florida and into the open Atlantic by October 2010.

Length of biological marker associated with risk of cancer

A new study reveals that shorter leukocyte telomere length is associated with a significantly increased risk of developing cancer and dying from cancer. Participants with the shortest telomere lengths had approximately three times the risk of cancer compared to those in the longest group.

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.

Study measures single-molecule machines in action

A multidisciplinary team observes single-molecule interactions of bistable rotaxanes functioning in their native environment, enabling detailed studies of molecular machines. This breakthrough enables greater understanding of how they interact with their neighbors and might work together in nanoelectromechanical devices.