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Science News Archive February 2013


Page 25 of 28

Benefits of CT outweigh cancer risks in young adults

A new study published in Radiology found that CT scans are associated with a significantly lower risk of death than radiation-induced cancer in young adults. The study analyzed imaging records of patients 18 to 35 years old who underwent chest or abdominopelvic CT exams between 2003 and 2007.

Newly discovered plant structure may lead to improved biofuel processing

Scientists at the University of Georgia have identified a direct connection between plant cell wall glycans and proteins, potentially revolutionizing biofuel processing. The discovery may lead to more efficient conversion of plants into ethanol, providing a sustainable alternative to fossil fuels.

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.

Are deaf and hard-of-hearing physicians getting the support they need?

A recent study found that deaf and hard-of-hearing (DHoH) physicians spend significant personal time arranging for accommodations, highlighting the need for institutional support. The survey of 56 DHoH clinicians revealed that adapting accommodations to individual needs is key to success.

Lower proportion of Medicare patients dying in hospitals

A study analyzing Medicare claims data found a decrease in hospital deaths, but increased ICU stays and healthcare transitions in the last months of life. Hospice use increased from 21.6% to 42.2%, while short hospice stays grew, suggesting that increasing hospice use may not lead to reduced resource utilization.

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.

Evidence that at least 1 mammal can smell in stereo

A study by Kenneth Catania at Vanderbilt University has found that common moles rely on stereo sniffing to detect odor gradients, a skill previously thought to be limited to visual and auditory perception. This discovery opens new avenues for research into the capabilities of other mammals that heavily rely on their sense of smell.

21 minutes to marital satisfaction

A brief writing intervention helped couples sustain marital satisfaction by reducing distress from conflicts and improving passion and intimacy. The intervention, which involved just three seven-minute writing exercises, was effective regardless of relationship duration.

Human bacteria sequencing project involving CU raises $340,000 online

The University of Colorado Boulder's American Gut project has raised over $340,000 through crowdfunding to sequence the gut bacteria of thousands of people worldwide. The initiative aims to understand how diet and lifestyle affect human health and disease, with potential implications for autoimmune diseases and food allergies.

Olive oil component alleviates intestinal ischemia and reperfusion

Researchers found that oleuropein aglycone, a compound in olive oil, significantly reduces inflammation and tissue damage caused by intestinal ischemia and reperfusion injury. The study suggests potential therapeutic benefits for patients with spinal cord injuries, arthritis, and pleurisy.

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.

New 'retention model' explains enigmatic ribbon at edge of solar system

Researchers propose that charged particles trapped in the region create the ribbon as they escape as neutral atoms, producing higher fluxes of ENAs and forming the bright ribbon seen by IBEX. The model shows good association with observed data, offering insights into the nearby galactic magnetic field and its strength.

GSA Bulletin starts 2013 with 13 new papers published online ahead of print

The GSA Bulletin has published 13 new papers covering topics such as Holocene record of strong earthquakes in the Lake Tahoe region and evaporite tectonics in the Cumberland basin. The studies reveal a history of major earthquakes throughout the Holocene, with some fault ruptures occurring every 2,600 years.

Enigmatic 'ribbon' of energy discovered by NASA satellite explained

Scientists have proposed a theory that explains the formation of a mysterious 'ribbon' of energy and particles at the edge of our solar system. The retention theory suggests that neutral hydrogen atoms from the solar wind become trapped by intense waves in the magnetic field, creating the ribbon.

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.

2012: The Webb telescope's big year of progress

In 2012, the James Webb Space Telescope made significant progress with the delivery of two primary mirrors, the Mid-Infrared Instrument (MIRI), and the Fine Guidance Sensor and Near-Infrared Imager and Slitless Spectrograph (FGS/NIRISS). The telescope's center section backplane structure was also completed, supporting the mirrors and o...

Cancer in African Americans: Gap closing for some sites; Widening for others

A new report from the American Cancer Society finds that cancer death rates are narrowing for African Americans, with nearly 200,000 deaths avoided since 1990. However, racial disparities remain for certain cancers, including colorectal and female breast cancer, highlighting the need for improved access to healthcare and screening.

Can you predict how a disease will spread in a population?

Researchers developed a predictive model of spatial epidemic spread in territorial animals, quantifying transmission events and propagation speed based on demography, animal wandering patterns, and contagiousness. This model has potential to inform targeted prevention strategies for zoonotic diseases with animal origins.

Apple iPhone 17 Pro

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

NASA-NOAA's Suomi NPP satellite sees a fading Felleng

NASA-NOAA's Suomi NPP satellite captured a night-time image of extra-tropical cyclone Felleng, showing clouds and precipitation pushed east and southeast due to wind shear. The storm has completed its transition and is expected to dissipate in the next couple of days.

Samoan obesity epidemic starts at birth

A new study by Brown University found that Samoan babies experience rapid weight gain in early infancy, which may foreshadow a future trend of obesity in developed nations. The researchers tracked the growth and weight gain of nearly 800 American Samoan babies born between 2001 and 2008.

3 NIH-sponsored clinical trials test influenza treatments

The NIH is sponsoring three clinical trials to test new treatments for influenza, including oseltamivir, combination antiviral drugs and plasma enriched with anti-influenza antibodies. The trials aim to improve treatment options for people with severe illness or chronic health conditions.

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.

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.

RNA promotes metastasis in lung cancer

Researchers discovered that long non-coding RNA MALAT1 regulates genes involved in metastasis, leading to impaired mobility and tumor growth. By silencing MALAT1, the team found reduced metastasis formation in mice, opening a promising approach for lung cancer treatment.

Meta Quest 3 512GB

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

Old age offers no protection from obesity's death grip

A new study finds that obesity increases risk of death with age, contradicting earlier research on the 'obesity paradox'. The analysis of over 800,000 adults reveals that obese individuals face a higher risk of mortality as they get older.

Hospice use rises; So does aggressive care

A recent study found that while more seniors are dying with hospice care than a decade ago, they are increasingly doing so for very few days right after being in intensive care. This suggests that palliative care often happens as an afterthought, and patients may not receive the full measure of comfort and psychological support they need.

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.

Using single quantum dots to probe nanowires

Scientists use single quantum dots to excite plasmons in metal wires, creating precise images of electric field intensity with 12-nm accuracy. This technique enables new hybrid electronics by combining photonics and electronics for efficient sensing and processing.

Seeing the software world from a dependency perspective

Researchers propose novel protocol structure model to analyze and verify service-oriented systems, incorporating dependencies for synchronous, asynchronous, and broadcast communications. The model combines features of partial orders and Petri nets to tackle complex software development challenges.

Obesity leads to vitamin D deficiency

A recent study published in PLOS Medicine found a strong association between obesity and vitamin D deficiency. The research, led by Dr Elina Hypponen, used genetic markers to explore the link between body mass index (BMI) and genes associated with vitamin D synthesis and metabolism.

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.

Low vitamin D levels may increase risk of Type 1 diabetes

Researchers found that white, non-Hispanic young adults with higher serum levels of vitamin D had about half the risk of developing Type 1 diabetes than those with lower levels. The study suggests that inadequate vitamin D intake may be an important risk factor for autoimmune diseases.

University of Leicester announces discovery of King Richard III

The University of Leicester has discovered the remains of King Richard III using a wealth of evidence including DNA, radiocarbon dating and skeletal analysis. The skeleton was found in Leicester city centre and matches two of Richard III's maternal line relatives, confirming his identity.

New study finds water tubing-related injuries up 250 percent

A recent study found that water tubing-related injuries increased by 250% over a 19-year period, with 65+ injuries treated in U.S. emergency departments daily during summer. The most common types of injuries were sprains and strains, followed by soft tissue injuries.

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.

NOAA: Tortugas marine reserve yields more, larger fish

The NOAA report reveals that 'no-take' protections in the Tortugas Ecological Reserve have boosted fish populations and fisheries, including a resurgence of spawning mutton snapper. Commercial catches of reef fish have increased without financial losses for regional fishers.

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.

3D printing breakthrough with human embryonic stem cells

Researchers have successfully printed human embryonic stem cells using a novel valve-based technique, enabling the creation of three-dimensional tissues and structures. The breakthrough could speed up drug testing and pave the way for transplantable organs without donation.

AB blood type strong risk factor for venous blood clots

A large study found that ABO blood type is a strong risk factor for venous blood clots. The research, published in the Canadian Medical Association Journal, also identified other genetic mutations associated with an increased risk of these conditions.

Annals of Internal Medicine tip sheet for Feb. 5, 2013

A recent study published in Annals of Internal Medicine suggests that exercising regularly earlier in life can significantly lower the risk of developing dementia later in life. Researchers analyzed data from over 19,000 adults and found a strong association between midlife fitness levels and reduced risk of all-cause dementia. Additio...

USC scientists design mouse with more human-like immune response

USC researchers create genetically engineered mice with CD1d molecules similar to humans to trigger natural killer T cells and potentially develop effective immunotherapies. The discovery aims to improve the efficacy of existing drugs and vaccines against human diseases.

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.

Survey reveals fault lines in views on climate change

A new survey by a University of Alberta researcher found that 99% of respondents agree the climate is changing, but disagree on causes. The study identified five distinct beliefs on climate change and found common points of interest to promote collaboration.

Biodiversity exploration in the 3-D era

A team of researchers from Hellenic Centre for Marine Research used X-ray computed tomography to create detailed 3D representations of tiny animals, facilitating the study of morphology and improving taxonomy. The method enables virtual rotation, magnification, and dissection of specimens, extracting new scientific information.

Monogamous birds read partner's food desires

Researchers found that male Eurasian Jays can share food with their female partner according to her current desire, suggesting a 'state-attribution' ability. This behavior is crucial for species living in long-term relationships and may improve mate bonding.

Scientists turn toxic by-product into biofuel booster

Researchers develop bi-functional enzyme to increase alkane output in bacteria and plants, eliminating hydrogen peroxide inhibition. The combo enzyme boosts reaction efficiency by producing oxygen, a key component required for activity.

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.