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Science News Archive 2013


Page 323 of 352

Pest uses plant hairs for protection

A tiny insect that eats plants has developed a unique strategy to evade its beetle predator: using the plant's trichomes for physical protection. This clever tactic allows the pest to crawl between the plant hairs and feed on cycad sap, while the larger beetle cannot follow suit.

Insect drives robot to track down smells

A small robot was driven by a male silkmoth to track down its sex pheromone, demonstrating the potential for insect-inspired odor tracking. The researchers hope to apply this technology to autonomous robots that can detect environmental spills and leaks.

New modeling approach transforms imaging technologies

Researchers at Purdue University have developed a new modeling approach, MBIR, which reduces radiation exposure in medical CT scanners by 78% while improving image clarity. This technology also enables the focus of images after capture in consumer electronics.

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.

Electronic nicotine delivery systems could help reduce smoking

A new study reveals awareness, perceptions, and usage patterns of electronic nicotine delivery systems (ENDS) among current and former cigarette smokers in four countries. The study found that nearly 47% of respondents were aware of ENDS, with higher levels of awareness among younger populations.

Steroids help reverse rapid bone loss tied to rib fractures

Researchers discovered that steroid drugs can suppress a molecule key to rapid bone loss in rib fractures, reversing bone loss and improving lung function. The study's findings challenge the conventional understanding of steroids as causing bone loss.

UT Dallas researchers pushing the boundaries of virtual reality

Researchers are creating a multimedia system that uses multiple 3-D cameras to create avatars of humans in two different places, allowing them to interact. The system could enable physical therapists to work with patients remotely and receive real-time feedback on their exercises.

Scientists debate CDC recommendations during meningitis outbreak

A pair of commentaries highlight a public health debate surrounding CDC treatment guidelines for exposed individuals during the 2012 fungal meningitis outbreak. The American Society for Microbiology has published two commentaries questioning and defending the CDC's recommendations.

Apple iPhone 17 Pro

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

Paternal obesity impacts child's chances of cancer

A study published in BMC Medicine found that newborns of obese fathers have lower DNA methylation levels of the IGF2 gene, which codes for a growth factor important during fetal development. This can lead to increased cancer risk later in life.

Both heavy and incompatible drinking can increase the chances of divorce

A recent study published in Alcoholism: Clinical & Experimental Research found that both heavy and incompatible drinking can increase the chances of divorce. The research suggests that excessive alcohol use disrupts daily tasks and functioning, leading to spousal conflicts and a higher risk of marital dissolution.

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.

Growth arrest in prostate cancer

A previously poorly investigated signalling pathway is crucial for prostate cancer cell proliferation, involving the production of cAMP at multiple locations in the cell. Inhibiting the soluble adenylyl cyclase enzyme suppresses cancer cell growth, suggesting a promising new therapeutic approach.

Study finds potential to match tumors with known cancer drugs

A study mapping the landscape of kinases in cancerous and non-cancerous tissue identified outlier kinase expression that can be targeted with existing drugs. Researchers found promising combinations, including adding a FGFR4-inhibitor to Herceptin for HER2-positive breast cancer tumors.

Mitochondrial mutations: When the cell's 2 genomes collide

Scientists at Brown University and Indiana University have traced mitochondrial-nuclear incompatibility in fruit flies to individual nucleotide mutations, revealing how the genetic double whammy makes flies sick. The study highlights the importance of considering both genomes in understanding metabolic diseases.

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.

Stroke damage in mice overcome by training that 'rewires' brain centers

Researchers found that mice can recover from debilitating strokes by quickly undergoing physical conditioning that rewire a different part of the brain to take over lost function. This study suggests physical and pharmacological solutions for human stroke victims and could lead to earlier and more aggressive rehab.

£6.5M in funding to help manufacture the drugs of the future

The UK biopharmaceutical sector is set to receive £6.5M in funding for innovative projects, including industrial-scale production of antibodies and stem cell preservation at room temperature. The funding will support the development of new tools and methods for bioprocessing, which is crucial for developing new drugs.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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 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.

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.

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.

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.

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.

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.