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Science News Archive 2011


Page 26 of 311

What wakes dormant tumor cells

A study published in the Journal of Experimental Medicine reveals that protein BMP7 signals prostate tumor cells to enter a state of dormancy. Withdrawal of this protein restarts tumor growth, offering potential new therapies to prevent recurrence.

States could see substantial savings with tobacco control programs

A new study suggests that states could save substantial amounts of money by fully funding tobacco control programs, which have a sustained impact on cigarette demand. The programs would reduce Medicaid payments, medical costs, and lost productivity, resulting in long-term savings for the states.

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.

New insight into climate change in the Pacific

The report presents the most comprehensive scientific analysis of climate change in the Pacific region, indicating warmer temperatures, ocean acidification, and increased extreme weather events. Future projections suggest decreased droughts and tropical cyclone frequencies, but increased extreme rainfall and sea-level rise.

Researchers use CT to recreate Stradivarius violin

A team of experts used CT imaging and computer-aided machinery to create a reproduction of a 1704 Stradivarius violin. The process involved scanning the original instrument and converting images into stereolithographic files, which were then carved and assembled by hand.

Meta Quest 3 512GB

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

International initiative to address safety issues in stem cell therapy

A collaborative study from the International Stem Cell Initiative analyzed human pluripotent stem cells' genetic stability and found that 75% remained normal after prolonged culture. However, researchers detected genetic changes similar to those seen in human cancers, highlighting the need for detecting and eliminating abnormal cells.

Marine biodiversity loss due to warming and predation: UBC researcher

A UBC study reveals that climate-driven warming and predation are causing significant losses in marine biodiversity, with mussels losing 51% of their habitat due to rising temperatures. Removing predators through exclusion cages allowed prey species to occupy hotter sites, resulting in a doubling of species richness.

Patients with balance disorders benefit from integrative therapy

A special issue of NeuroRehabilitation highlights the latest clinical advances in vestibular rehabilitation, a proven treatment for balance disorders associated with neurological disease or trauma. The integration of multiple disciplines and specialized training has improved patient outcomes.

New database for vital model organism launched

The PomBase database provides a comprehensive resource for studying fission yeast and its relevance to human diseases. The database contains counterparts of over 300 human disease genes, enabling researchers to study mechanisms involved in cell growth and division.

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.

Polarized filter may reduce unnecessary cervical biopsies and surgeries

A new study explores whether a polarized filter can enhance colposcopy, allowing doctors to detect early signs of cervical cancer more accurately. The approach has shown promise in reducing unnecessary biopsies and surgeries, particularly in young women where normal cell types can be difficult to distinguish.

Study debunks stereotype that men think about sex all day long

A new study from Ohio State University challenges the persistent stereotype that men spend more time thinking about sex. The research found that young men thought about sex almost 19 times a day, while women thought about it nearly 10 times a day. Men also considered eating and sleep needs more frequently than women.

Reality in the eye of the beholder

Dartmouth Computer Science Professor Hany Farid and Eric Kee propose a rating system to assess the extent of digital retouching in photos. This metric could incentivize publishers and models to reduce extreme forms of retouching, potentially mitigating adverse effects on body image and public health.

No plain sailing for marine life as climate warms

Marine life may need to relocate faster than land species due to climate warming, posing a significant conservation challenge. The rate at which marine life relocates depends on the distance it needs to travel to reach its preferred temperature conditions, with many areas having relatively little temperature variation.

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.

Antibiotics in swine feed encourage gene exchange

A study by Heather Allen and colleagues reveals that antibiotics in swine feed stimulate gene transfer among gut bacteria, increasing the risk of antibiotic resistance. The researchers found that prophages, segments of DNA encoding antibiotic resistance genes, underwent significant increases in induction when exposed to antibiotics.

Apple iPhone 17 Pro

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

Australian science joins global effort to transform food system

Experts from leading science organisations have released a blueprint for urgent action to address the global challenge of feeding the world in the face of climate change. The report recommends climate-resilient agricultural production, efficient resource use, and low-waste supply chains.

New compound defeats drug-resistant bacteria

Researchers at Brown University have discovered a new compound that can defeat drug-resistant bacteria by blocking their efflux pumps. The compound, called BU-005, was found to inhibit the activity of two different families of drug-efflux pumps, one associated with Gram-positive bacteria and the other with Gram-negative bacteria.

Caregivers at risk for health problems

Research reveals that caregivers' daily lives are disrupted by their loved one's behaviors, leading to elevated stress levels and physical health risks. The study also found that caregiving can tax the caregiver's HPA system, contributing to cardiovascular and metabolic problems.

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.

40 percent of youths attempting suicide make first attempt before high school

A study published in Journal of Adolescent Health found that nearly 40 percent of young adults who tried suicide made their first attempt in elementary or middle school. This suggests that early mental health programs may be necessary to address chronic mental health problems, which often begin during childhood and adolescence.

Princeton technique puts chemistry breakthroughs on the fast track

Researchers at Princeton University have developed a technique to accelerate chemical discoveries by performing over 1,000 reactions per day using robotics. This approach enables the rapid exploration of new chemical combinations, potentially leading to breakthroughs in pharmaceuticals and other fields.

The art of stabilizing entangled spaghetti-like materials

Researchers have found that electric charge ratio and polymer concentrations control complex properties, allowing stable delivery of DNA into targeted cell nuclei. Future work focuses on forming complexes with controlled size and electric charge for efficient gene therapy.

Fluke 87V Industrial Digital Multimeter

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

Graphene foam detects explosives, emissions better than today's gas sensors

Rensselaer Polytechnic Institute researchers developed a graphene foam sensor that detects ammonia and nitrogen dioxide at concentrations as low as 20 parts-per-million, outperforming commercial gas sensors. The new technology is flexible, rugged, and reusable, making it suitable for various industrial applications.

Men's honest overconfidence may lead to male domination in the C-suite

A recent study by Columbia Business School reveals that men's natural overconfidence in their past performance contributes significantly to the lack of female representation in upper management positions. The researchers found that while both men and women exhibit similar tendencies to exaggerate their performance, men consistently rat...

New study to test unusual hypothesis on beta brainwaves

Jones and Moore's model suggests that neurons in the cortex experience beta oscillations when receiving a combination of two input signals at the right time and strength. The researchers aim to prove their hypothesis using optogenetics and expand their computational model to incorporate upstream brain regions.

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.

Fungi: Another tool in bacteria's belt?

Researchers at Tel Aviv University discovered that bacteria and fungi work together to aid movement and survival. Fungal spores can attach to bacteria, allowing them to travel further, while the bacteria use fungi as natural bridges to overcome obstacles.

Drug may slow spread of deadly eye cancer

Researchers have discovered a drug that can alter the DNA of uveal melanoma cells, rendering them less aggressive. The treatment, known as histone deacetylase inhibitors, may slow or prevent tumor growth in patients with metastatic eye cancer.

Hospital parking fees are health care user fees

Hospital parking fees should be abolished as they create barriers to health care and distract patients from their concerns. Abolishing parking fees would validate patients' experience and support patient-centred health care.

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.

UCLA researchers engineer blood stem cells to fight melanoma

Researchers from UCLA's cancer and stem cell centers have successfully engineered blood stem cells to create cancer-killing T-cells that seek out and attack human melanoma. The approach could lead to a sustained immune response, potentially protecting against cancer recurrence.

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.

Mid-morning snacking may sabotage weight-loss efforts

A recent study published in the Journal of the American Dietetic Association found that women who skipped mid-morning snacking lost more weight compared to those who snacked. Healthy snacks can aid in weight loss, but timing is crucial.

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.

Lightning-made waves in Earth's atmosphere leak into space

Researchers have detected Schumann resonance in space using the VEFI instrument aboard the C/NOFS satellite, finding waves of extremely low frequency that can be as low as 8 Hz. This discovery provides a new tool to study Earth's weather, electric environment, and atmospheric composition from above.

A study looks at the nature of change in our aging, changing brains

Researchers found that the structure of cognitive change remains consistent across adulthood, with age-related declines varying in direction and magnitude. The study's findings advance understanding of the aging brain and may inform interventions to improve cognitive functioning.

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.

Functional brain pathways disrupted in children with ADHD

Researchers have identified abnormalities in brain function of children with ADHD using fMRI, revealing disruptions in visual attention processing and impaired communication among brain regions. This finding contributes to understanding the pathology of inattention in ADHD.

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.

Depression can lead to heart disease

A recent study conducted by Concordia University found that depressed individuals are twice as likely to have a heart attack compared to non-depressed individuals. The study also showed that depressed individuals take longer to recover their normal heart rate after exercise, indicating a dysfunctional stress response.

1 promising puzzle piece for confirming dark matter now seems unlikely fit

Researchers confirm detection of antimatter positron excess with assistance from Earth's magnetic field, casting doubt on dark matter explanation. The Fermi Gamma-ray Telescope's unique approach utilizes the Earth's magnetic field to separate charged particles, providing valuable insight into the universe.

Pollen research not be sniffed at

The 'Pollen Under the Microscope' exhibition showcases stunning images of pollens from Australia and overseas, using cutting-edge technology to rapidly identify pollen grains. Pollen is vital for human life, agriculture, and biodiversity, and this technology aims to aid conservation and ecology by providing more accessible information.

Creative excuses: Original thinkers more likely to cheat

A study published by the American Psychological Association found that creative individuals are more prone to cheating, as their talent can lead them to justify unethical behavior. This contradicts the notion that intelligence and dishonesty are unrelated.

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.

Boys with regressive autism, but not early onset autism, have larger brains

A study by UC Davis MIND Institute researchers found that 3-year-old boys with regressive autism have larger brains than their healthy counterparts, while girls with autism do not show abnormal brain growth. Brain enlargement was consistently observed only in the subset of children diagnosed with regressive autism.

First database-derived 'data paper' published in journal

A new 'Data Paper' workflow has been pioneered by GBIF and Pensoft publishers to provide incentives for data compilers. The first-ever peer-reviewed paper derived directly from a biodiversity metadata document is published in the ZooKeys journal.