Bluesky Facebook Reddit Email

Science News Archive May 2012


Page 7 of 31

OSIRIS-REx scientists measure Yarkovsky effect

Scientists with the OSIRIS-REx mission have measured the orbit of asteroid 1999 RQ36 with great accuracy, directly determining the drift resulting from the Yarkovsky effect. The asteroid has deviated from its gravity-ruled orbit by roughly 100 miles in the last 12 years due to this subtle force.

Business students better equipped to evaluate peers

A study by Concordia University found that business students who evaluate their peers regularly improve in evaluating others. This leads to more effective management skills. The research developed a standardized online peer evaluation system, which can be incorporated into university-wide programs.

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.

Locating ground zero

Microglia, the brain's emergency workers, use a long-lasting glutamate-driven calcium wave to detect injuries, allowing them to trace the signal backwards until they reach the site of damage. This discovery could lead to new treatments for conditions such as Alzheimer's and Parkinson's diseases.

Sound increases the efficiency of boiling

Scientists at Georgia Institute of Technology used acoustic fields to enhance heat transfer, removing vapor bubbles and suppressing insulating film formation. This led to improved boiling efficiency.

Organic carbon from Mars, but not biological

A new study by Carnegie's Andrew Steele provides strong evidence that Martian organic carbon originates from the planet itself, not Earth or other meteorites. The findings reveal insights into Mars' volcanic history and suggest the presence of organic chemistry throughout its history.

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.

Anti-psychotic drug pushes cancer stem cells over the edge

Researchers discovered an anti-psychotic drug, thioridazine, that selectively targets and exhausts cancer stem cells, leading to improved survival rates in leukemia patients. The compound works by encouraging cancer stem cells to differentiate into less threatening cell types.

Infections may be deadly for many dialysis patients

A recent study suggests that peritonitis, a common infection in dialysis patients on peritoneal dialysis, may be linked to premature death. Researchers found that patients were more likely to develop peritonitis during the final month before their death, and even six times more so during the 30 days prior to their death.

Commonly used pesticide turns honey bees into 'picky eaters'

A study by UC San Diego biologists found that a small dose of imidacloprid, a commonly used crop pesticide, makes honey bees more selective and less willing to feed on low-sugar nectar. This can lead to reduced food stores and communication among the colony.

Feeling strong emotions makes peoples' brains 'tick together'

Researchers at Aalto University found that strong emotions sync brain activity in frontal and midline regions for unpleasant feelings and vision, attention, and sense of touch networks for highly arousing events. This synchronization facilitates understanding others' intentions and actions.

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.

Thousands of invisibility cloaks trap a rainbow

A team of American researchers has created an array of 25,000 individual invisibility cloaks that can slow down or stop light, creating a trapped rainbow. This technology enables 'spectroscopy on-a-chip' for detailed analysis of biological materials.

Discarded data may hold the key to a sharper view of molecules

Scientists have developed a method to analyze noisy X-ray data, revealing details of molecular structure previously discarded due to low signal quality. This breakthrough could lead to more accurate models and improved understanding in biology, medical diagnostics, nanotechnology and other fields.

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.

Device may inject a variety of drugs without using needles

Researchers at MIT have developed a device that delivers a variety of drugs through the skin without using needles, potentially improving patient compliance and reducing accidental needle-stick injuries. The device can be programmed to deliver different doses to varying depths, addressing limitations of existing jet-injection systems.

SF State biology department receives $1.5 million to support science teaching

The San Francisco State University Department of Biology has received a $1.5 million grant to support faculty-led improvements in undergraduate science education. The Biology Faculty Explorations in Scientific Teaching (FEST) program aims to refine teaching skills and assess student learning through evidence-based methods.

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.

Newly modified nanoparticle opens window on future gene editing technologies

The Iowa State team has successfully delivered functional protein and DNA into plant cells using custom-built nanoparticles, opening up opportunities for targeted genome editing in crop plants. This achievement marks a significant advancement toward delivering proteins and enzymes to both animal and plant cells.

'Metamaterials,' quantum dots show promise for new technologies

Scientists have developed a new type of nanostructured metamaterial that can dramatically change the properties of light, leading to potential breakthroughs in advanced solar cells and quantum computing. The metamaterial combines layers of silver and titanium oxide with tiny quantum dots, resulting in hyperbolic light behavior.

Apple iPhone 17 Pro

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

Food, water safety provide new challenges for today's sensors

Researchers at Oak Ridge National Laboratory warn that current sensor technologies are not optimized for real-world conditions, posing risks to the nation's food and water supplies. Developing more effective sensors is crucial to address safety concerns, particularly in complex environments.

Slip-and-slide power generators

A new technology harnesses power from a single droplet sliding along an electret film, producing electricity when it reaches maximum velocity. The device has potential for low-power portable devices and human body motion harvesting, with a prototype demonstrating peak output power of 0.18 microwatts.

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.

The secret to good tomato chemistry

A team of researchers has identified 24 compounds as responsible for the distinct flavors and aromas of heirloom tomatoes. These findings hold promise for improving the flavor of commercially grown tomatoes.

New clues about cancer cell metabolism emerge

Researchers have developed a technique to measure the flux of metabolites in cancer cells, revealing a link between glycine consumption and fast cell division. The study's findings suggest that glycine metabolism plays a crucial role in cancer cell proliferation, with implications for understanding cancer biology.

LiDAR technology reveals faults near Lake Tahoe

A new USGS study using LiDAR technology confirms the existence of previously suspected faults west of Lake Tahoe, increasing seismic hazard assessment for the region. The study also identifies an earthquake-induced landslide hazard along the fault-formed range front.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Chronic pain is relieved by cell transplantation in lab study

Researchers at UCSF have successfully treated chronic neuropathic pain in mice by transplanting immature embryonic nerve cells into the spinal cord. The transplanted cells integrated into the nerve circuitry, forming synapses and signaling pathways with neighboring neurons, leading to a significant reduction in pain hypersensitivity.

Minister announces £250M strategic investment in UK bioscience

The UK has allocated £250M for five-year strategic investment programmes in bioscience research, including 26 strategic science programmes and 14 key national research capabilities. This funding will focus on addressing global challenges such as sustainable food production, energy security, and healthcare.

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.

Stanford psychologists examine how race affects juvenile sentencing

A new study by Stanford psychologists reveals that race affects juvenile sentencing, with participants who imagined a black offender more likely to support life sentences without parole. The study's findings highlight the fragility of protections for juveniles when race is in play.

Study provides compelling evidence for an effective new treatment for tinnitus

Researchers found that a multidisciplinary approach combining cognitive behaviour therapy with sound-based tinnitus retraining therapy significantly improves quality of life and reduces symptoms in adults with tinnitus. The study recruited 492 adults and showed that the new treatment programme is beneficial for both mild and severe cases.

JCI early table of contents for May 24, 2012

Researchers developed a new method to identify vaccine targets for Streptococcus pneumoniae, the most common cause of bacterial meningitis. Gene therapy has shown promise in treating adenosine deaminase deficiency by correcting B cell tolerance problems and supporting treatment options for patients with severe combined immunodeficiency.

Drug allergy discovery

A research team at the University of Melbourne has discovered the biological mechanisms behind drug hypersensitivities, revealing how the immune system perceives the body's own tissues as foreign. The finding could lead to the development of a diagnostic test to determine drug hypersensitivity.

Meta Quest 3 512GB

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

Exotic particles, chilled and trapped, form giant matter wave

Physicists have successfully trapped and cooled exotic particles called excitons, condensing them into a giant matter wave that coheres at extremely low temperatures. This breakthrough allows scientists to better study the physical properties of excitons, promising applications in efficient solar energy harvesting and ultrafast computing.

Brightly colored bird bills indicate good health

A study by Queen's University researcher Troy Murphy found female birds with more colourful bills have higher antibody levels, indicating greater strength and ability to fight off invaders. The colour of a female bird's bill is strongly correlated with immunoglobulin antibodies, a component of the immune system in birds.

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.

EPSRC announces first recipients of Fellowships in Manufacturing

The EPSRC has awarded five-year fellowships worth £1 million each to Drs Geoffrey Nash, Harish Bhaskaran, Ajoy Velayudhan, and Peter Foote to address the gap in UK manufacturing research. The fellowships aim to strengthen links between industry and academia, driving growth and innovation.

A nanoclutch for nanobots

A 'nanoclutch' has been designed to regulate the speed of nanomotors, allowing for stepless control. The device uses electrowetting forces and charged carbon nanotubes to transmit torque between tubes.

CWRU class earns Science magazine prize for innovation

A Case Western Reserve University class has been awarded a Science magazine prize for its innovative approach to teaching biology and computer science. The 'Dynamics of Biological Systems' class uses an inquiry-based learning model, where students work on real-world problems using online interactive tools and mathematical models.

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.

Low vitamin D in diet increases stroke risk in Japanese-Americans

A 34-year study found that Japanese-American men who did not eat foods rich in vitamin D had a higher risk of stroke later in life. Men with the lowest dietary vitamin D intake had a 22% increased risk of stroke, while those with the highest intake had a 27% lower risk.

From stem cell to brain cell – new technique mimics the brain

Researchers at Lund University developed a new technique that converts stem cells into brain cells with improved safety and efficiency. The method mimics the brain's natural development process, reducing the risk of tumour formation and improving cell integration.

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.

Seagrasses can store as much carbon as forests

Researchers found that seagrass beds store up to 19.9 billion metric tons of carbon globally, more than temperate and tropical forests. Seagrasses can store up to twice as much carbon per unit area, mostly in their soils.

Researchers develop new genetic method to pinpoint individuals' geographic origin

A team of researchers has developed a new genetic method called spatial ancestry analysis (SPA) that can model genetic variation in two- or three-dimensional space. SPA allows for the modeling of the spatial distribution of each genetic variant, enabling individuals to be localized on a world map based on their genetic information alone.

Treating pain with transplants

Researchers have successfully transplanted embryonic cells into adult mouse spinal cords to alleviate persistent pain. The study suggests that this approach may not only treat symptoms but also correct underlying disease pathology. This new therapy offers hope for patients with neuropathic pain, a condition with limited treatment options.

Females face different clock problem

A Northwestern University study reveals that female shift workers and women with circadian rhythm sleep disorders experience fertility and menstrual issues due to disrupted circadian clocks. The researchers found that mice subjected to advances of the light-dark cycle had greater circadian clock disruption and lower reproductive success.

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.