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Science News Archive July 2009


Page 19 of 23

Regulation and oversight of gun sales reduces trafficking to criminals

A comprehensive regulation of gun sellers appears to reduce the trafficking of guns to criminals, with states having strong regulations and oversight experiencing far less gun trafficking. The study found that cities with laws regulating private sales and strong dealer oversight had significantly lower levels of in-state gun trafficking.

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.

Pluronic L-81 is a potential anti-diabetic drug?

Research on Pluronic L-81, a synthetic copolymer, reveals its potential in alleviating obesity-induced insulin resistance and type 2 diabetes. The study found that L-81 significantly corrected body weight and plasma glucose levels in genetically diabetic mice.

Economic crisis increases suicides and murders

A study published in The Lancet found that economic crises are associated with rising suicide rates, particularly among working-age populations. Active labor market programs can help reduce the negative impact of unemployment on mortality rates, especially if implemented with adequate social protection mechanisms.

Physicists find way to control individual bits in quantum computers

Researchers have created a way to manipulate single qubits without affecting neighboring information, enabling the development of more reliable quantum computers. The new approach uses polarized light to create effective magnetic fields, simplifying the process of addressing individual qubits.

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.

Finding the constant in bacterial communication

Researchers found that a key factor in quorum sensing is the ratio of bacteria to environment volume, regulating biological functions like bioluminescence and nutrient foraging. This discovery provides insights into fundamental design of quorum sensing systems and enables engineering of synthetic gene circuits.

Mystery of bat with an extraordinary nose solved

A Virginia Tech researcher has solved the mystery of the Bourret's horseshoe bat's unusually large nose, discovering it uses the elongated snout to create a highly focused sonar beam. The study provides insights into the evolution of biological shape and its physical function.

MRI accurately depicts deep endometriosis

A new study published in Radiology found that MRI can accurately diagnose deep endometriosis and locate lesions prior to surgery. The technique was effective in detecting the disease's extent and involvement of surrounding organs, such as the colon and bladder.

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.

Cardia resection for perforated gastroesophageal cancer

A surgical procedure, palliative cardia resection with gastroesophageal reconstruction, was performed on a 82-year-old man with iatrogenic perforation of adenocarcinoma of the GE junction. The patient recovered quickly and showed no complaints after treatment.

Influenza monitoring by the US military

The US military's influenza monitoring system has made notable contributions to global control through collaboration with CDC, FDA, and WHO. The Department of Defense Global Emerging Infections Surveillance and Response System (DoD-GEIS) program provides six objectives relevant to influenza, including laboratory-based surveillance and ...

'Normal' cells far from cancer give nanosignals of trouble

Researchers discovered that cancer cells and their neighboring cells share similar structural abnormalities on the nanoscale level, validating the 'field effect.' This finding could lead to early detection of cancer through simple blood or tissue tests.

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.

New monkey discovered in Brazil

A new monkey species, Mura's saddleback tamarin, has been discovered in the Amazon region of Brazil. The monkey is related to saddleback tamarins and faces threats from planned dams and highway construction.

Study finds job programs protect public health during periods of recession

A new study found that job programs can successfully mitigate increased rates of suicides and alcohol abuse during economic downturns. The research team analyzed data from European Union countries over three decades and found that investing in active labor market programs can prevent a rise in deaths during recession.

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.

Financial crisis increases suicides and homicides

A new study suggests that financial crises can lead to rises in suicides and homicides, but government investments in labour market protections could mitigate these effects. The research estimates that soaring stress brought on by job losses could prompt a rise in suicide rates, particularly in European Union countries.

Why are African-Americans less likely to survive certain cancers?

Researchers found African Americans have lower survival rates for breast, prostate, and ovarian cancers due to biological factors, not socioeconomic ones. The study of 19,457 patients showed 49% more likelihood of death from early-stage breast cancer among African Americans.

Apple iPhone 17 Pro

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

Wrong dose of heart meds too frequent in children

A study published in Pediatrics found that cardiac medication errors occur more frequently in infants under the age of 1, with 96% of errors being benign. The researchers highlight the need for computerized drug orders with built-in double- and triple-checking mechanisms to reduce dosing errors.

Fish on the menu of our ancestors

A study of a 40,000-year-old human skeleton found high levels of nitrogen isotopes suggesting regular consumption of freshwater fish. This suggests that early modern humans in China had access to fish as a food source before the development of effective fishing gear.

1 step closer to an artificial nerve cell

Researchers at Karolinska Institutet have developed an electrically conducting plastic delivery electrode that releases specific neurotransmitters to activate neighboring brain cells, enabling precise control of neural signals. This technology has the potential to treat various neurological conditions, including hearing loss, epilepsy,...

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.

Erythropoietin boosts brainpower

A study published in BMC Biology found that erythropoietin boosts brainpower in healthy young mice, improving sequential learning and memory components. The growth factor showed superior performance in associative, operant, and discriminant learning tasks.

Q is for quantum and 'Q-life'

Researchers discuss how physics is changing our understanding of cells, brain function, and the potential role of quantum mechanics in biology. Paul Davies suggests that fundamental quantum processes could be key to understanding life's origins.

Hormone clue to root growth

Researchers at the University of Nottingham have identified gibberellin as a hormone controlling plant root growth by regulating cell proliferation and expansion rates. The study highlights the importance of understanding hormone regulation in plant biology for improving crop yields.

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.

Playing it safe

Researchers at Max-Planck-Gesellschaft have developed a method to convert adult testis cells in mice into pluripotent stem cells, which can form all types of body tissue, without the use of introduced genes, viruses, or reprogramming proteins. The culture conditions were found to be crucial for the success of the process.

Scientists identify cholesterol-regulating genes

Researchers have identified 20 genes involved in cholesterol regulation, including 12 previously unknown genes. This discovery may lead to new treatments for cholesterol-related diseases and help fight heart disease.

Hitting cell hot spot could help thwart Parkinson's disease

Researchers present findings on stimulating metabotropic glutamate receptors to stop glutamate release in brain cells, potentially reversing Parkinson's disease symptoms. Current treatments only alleviate symptoms, but new approach aims to protect and repair dying cells.

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.

Iron and biological production in the high-latitude North Atlantic

In the high-latitude North Atlantic, low iron availability unexpectedly limits summer biological production. Experimental results show that adding iron increases photosynthetic efficiency and growth of phytoplankton, but insufficient iron is available to support the bloom.

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.

Single gene mutation responsible for 'catastrophic epilepsy'

Researchers at Baylor College of Medicine have identified a single gene mutation responsible for catastrophic epilepsy, a condition marked by severe muscle spasms, persistent seizures, and mental retardation. The discovery provides a new model for studying the disease and has sparked hope for potential treatments.

Embargoed news from Annals of Internal Medicine

Research finds that long-distance travel significantly increases the risk of venous thromboembolism, prompting recommendations for low-cost interventions. Stepped-dosing of efavirenz also decreases incidence and severity of neuropsychiatric adverse events while maintaining efficacy.

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.

Battle of the sexes benefits offspring, says research

A study published in the Journal of Evolutionary Biology found that parents who slack off compensate with increased effort from their partner, but this is not enough to fully offset parenting responsibilities. Researchers analyzed data on bird parenting behavior over three decades and found a common pattern among species.

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.

Songbirds reveal how practice improves performance

Researchers found that brain initially stores improvements in one pathway before transferring to motor pathway for long-term storage. Young zebra finches learn to sing by mimicking their fathers' song and eventually master the syllables and rhythms through repeated practice.

Physics research with atomic force microscope could lead to better health care

Researchers at Kansas State University are using an atomic force microscope to study proteins and molecules, which could lead to better diagnostic tools for diseases like cancer. By stretching and measuring tiny displacements in protein molecules, scientists hope to gain a deeper understanding of the causes of diseases.

Australian researchers identify genes that cause melanoma

Scientists at QIMR have discovered two genes that significantly increase the risk of developing melanoma in people with multiple moles. This groundbreaking research will help develop new screening techniques and potentially lead to new therapies for this deadly skin cancer.

Meta Quest 3 512GB

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

Laboring without the labor bed: It's a good thing

A University of Toronto pilot study found that removing the standard hospital bed during labor reduced infusions of artificial oxytocin by 28% and allowed women to move freely, promoting feelings of calm and confidence. The ambient room design also led to greater one-on-one attention and support from nurses.

Internet-based intervention may improve insomnia

A nine-week online intervention based on cognitive behavioral therapy techniques significantly improved sleep quality and reduced insomnia severity in adults with chronic sleep difficulties. The study suggests that internet-based interventions could be a cost-effective and accessible treatment option for millions of people worldwide.

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.

Stanford Alzheimer's research pinpoints antibodies that may prevent disease

Researchers at Stanford University School of Medicine have identified a wide range of antibodies in healthy people and Alzheimer's patients that target protein aggregates, including those found in plaques. These findings suggest that these antibodies may play a role in slowing or preventing the progression of Alzheimer's disease.

Hurricane Katrina: Phone home

Researchers from Tel Aviv University have developed a novel way to predict the intensity of the next big flood using cell phone signals. By analyzing fluctuations in atmospheric moisture around cell phone towers, they can provide accurate 'critical moisture distribution' levels for fine-tuning model predictions of big floods.