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Science News Archive 2013


Page 294 of 352

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.

Majority of Albertans support assisted suicide: UAlberta study

A new study by University of Alberta researcher Donna Wilson found that 77.4% of Albertans support assisted suicide, citing personal experiences and autonomy as key factors. The results challenge traditional views in the province and raise important questions about end-of-life care.

Star-shaped glial cells act as the brain's 'motherboard'

Researchers at Tel Aviv University discovered that astrocytes play a key role in brain communications, integrating messages and connecting neuronal circuits. This new framework offers insight into brain disease and disorders, such as epilepsy and Alzheimer's, which are linked to malfunctions in brain connectivity.

Study finds sexual health services for rural Latino men could be improved

A new study found that rural Latino men require specialized sexual health services due to language barriers, cultural assumptions, and limited access. The research team suggests improving services by providing male providers, bilingual staff, and convenient clinic hours, as well as addressing terminology and cultural nuances.

Apple iPhone 17 Pro

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

Measuring the universe more accurately than ever before

A team of astronomers has measured the distance to the Large Magellanic Cloud with unprecedented accuracy, pinning down its value at 163,000 light-years. This breakthrough improves distances for Cepheid variable stars and the Hubble Constant, enabling more precise surveying of the Universe.

New grant expands beach water research at Presque Isle State Park

Mercyhurst University has received a $20,000 grant to extend its research on emerging contaminants in Lake Erie waters at Presque Isle State Park. The study will focus on five chemicals, including fluoxetine, triclosan, estradiol, diuron, and sucralose, which have been shown to have negative health consequences.

A new cryptic spider species from Africa

A new cryptic spider species, Copa kei, has been described in southeastern South Africa, highlighting the region's biodiversity and ecological flexibility. The species exhibits extreme habitat adaptability, contrasting with its close relative C. flavoplumosa, which occupies a wider range of habitats.

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.

Human brain treats prosthetic devices as part of the body

Research shows that individuals with spinal cord injuries perceive their wheelchairs as a functional substitute for their affected body part. This perception is not limited by time since injury or experience with using the wheelchair, indicating a deeper integration of prosthetics into bodily awareness.

Flip of a single molecular switch makes an old brain young

Yale researchers have identified a key genetic switch that facilitates brain maturation and plasticity. By blocking this gene, they were able to reset the old brain to adolescent levels of plasticity, allowing adult mice to recover from injuries and master new motor tasks more quickly.

Study pinpoints, prevents stress-induced drug relapse in rats

Researchers identified specific steps in the sequence of neural events underlying stress-related drug relapse and showed that blocking kappa opioid receptors can prevent relapse. The study suggests a new approach to treating addiction recovery by targeting stress-induced brain mechanisms.

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.

How birds of different feathers flock together

Researchers at the University of Cambridge and Exeter discovered that bird flocks are determined by social relationships between individuals within species, not just species differences. The study found that birds prefer to fly close to members of their own species and that dominant rooks take the lead in mixed-species flocks.

Distance to nearest galaxy measured

Researchers have measured the distance to our nearest neighbor galaxy, the Large Magellanic Cloud, using rare eclipsing binaries. The new measurement refines an astronomical calculation that helps measure the expansion of the universe, decreasing uncertainty in the Hubble constant.

Study focuses on dating violence in Texas public schools

A study by Sam Houston State University found that most Texas public school districts have adopted dating violence policies, but few offer safety provisions for victims. The report suggests that districts develop clearer consequences and programs to raise awareness about teen dating violence.

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.

Some brain cells are better virus fighters

Research reveals that certain brain cells are better equipped to fight off viral infections due to their unique immune defense mechanisms. The study found that granule cell neurons, which rarely become infected, have different gene profiles compared to cortical neurons, making them more resistant to infection.

How to predict the progress of technology

Researchers at MIT and the Santa Fe Institute found that some widely used formulas, such as Moore's Law and Wright's Law, offer superior approximations of technological progress. The study analyzed data from 62 industries and found that these two laws best match actual technological advancements over past decades.

Circuitry of cells involved in immunity, autoimmune diseases exposed

A study by the Broad Institute's Klarman Cell Observatory reveals a link between Th17 cells, autoimmunity, and salt consumption, highlighting the interplay of genetics and environmental factors in disease susceptibility. The research provides new avenues for regulating these cells to prevent or treat autoimmune diseases.

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.

Spot the difference -- oranges and lemons

A computer recognition system can quickly distinguish between oranges and lemons and spot different strains of pear, melon, apple, and plum with high accuracy. The system can be used for sorting and packing fruits and vegetables, as well as speeding up supermarket customer checkout.

New study detects deadly fungus in Southeast Asia's amphibian trade

A new study reveals the presence of chytrid fungus in amphibians sampled in Singapore, with the American bullfrog identified as a potential carrier. The study also finds widespread disease among frogs in Vietnam's commercial farms, raising concerns about the spread of infectious diseases through trade.

New clues to causes of peripheral nerve damage

Researchers discovered that crippled mitochondria in Schwann cells lead to a toxic substance build-up, causing nerve damage and symptoms like numbness and pain. This finding may lead to new therapeutic strategies to treat peripheral neuropathies, including drugs that block toxin buildup.

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.

Federal figures miss most work-related amputations

A new report from Michigan State University reveals nearly two-and-a-half times more actual cases of work-related amputations than the federal government's official estimate. The study emphasizes the importance of using multiple data sources to track workplace injuries and illnesses.

Portion of hippocampus found to play role in modulating anxiety

A study by Columbia University researchers found that selectively activating the dentate gyrus in the hippocampus can reduce anxiety without affecting learning. This suggests that targeting this brain region could be used to treat certain anxiety disorders with minimal cognitive side effects.

Researchers discover workings of brain's 'GPS system'

A new study from Princeton University provides evidence for how the brain performs this feat. Grid cells are neu­rons that become elec­tri­cally active as ani­mals travel in an envi­ron­ment, and their activ­ity ramping up and down corresponds with a pro­posed mech­a­nism of neural com­pu­ta­tion called an attrac­tor net­work.

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.

Researchers explain a key developmental mechanism for the first time in plants

A team of researchers from Cold Spring Harbor Laboratory explains for the first time the operation of a mechanism in plants that controls developmental regulatory genes, including homeobox genes like BREVIPEDICELLUS and KNAT2. In plant stem cells, a polycomb gene-repressing protein complex called PRC2 is recruited to specific sites alo...

CSI: Milky Way

Astronomers suggest that a merger between a galactic black hole and an intermediate-sized black hole in a satellite galaxy could have produced the observed high-energy radiation in the Fermi bubbles. This scenario also explains the absence of old stars near the supermassive black hole.

Processed meat linked to premature death

A large European study found that eating processed meat was associated with an increased risk of premature death, particularly from cancer and cardiovascular disease. The researchers estimated that up to 3% of premature deaths could be prevented if people consumed less than 20g of processed meat per day.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Scientists improve transgenic 'Enviropigs'

Researchers have developed a new line of transgenic 'Enviropigs' that can digest high levels of phosphorus in plant matter, eliminating the need for supplements. This breakthrough could improve food production and reduce environmental pollution by producing less phosphorus waste.

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.

Pancakes with a side of math

Researchers develop a physical model for sap exudation, attributing mechanism to pressure and volume changes in tree's vascular tissue. The model incorporates dynamics of thawing sap, dissolving gas bubbles, and osmotic pressure gradient.

Salt identified as autoimmune trigger

Researchers at Yale School of Medicine found that dietary salt can induce and worsen pathogenic immune system responses in mice, leading to a more severe form of multiple sclerosis. They discovered the key molecular pathway involved in this response and proposed regulatory networks that govern autoimmune disease.

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.

A sausage a day is too many

A European-wide study with 450,000 participants found that eating over 40 grams of processed meat per day increases the risk of mortality compared to those who eat fewer than 20 grams a day. Moderate consumption of up to 40 grams daily does not increase mortality risk.

Improving electronics by solving nearly century-old problem

A team of researchers led by UC Riverside Professor Alexander A. Balandin has solved the long-standing issue of low-frequency electronic 1/f noise in materials and devices. By studying multi-layered graphene samples, they found that the origin of this signal is at the surface of electrical conductors, contrary to previous research.

Short bouts of exercise boost self control

Research found short bouts of exercise enhance higher brain functions, including memory, concentration, planning, and decision-making, in all three age groups. Short exercises improved self-control, especially in children and teens, crucial for academic achievement and daily life.

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.

First in-depth deer census highlights need for increased culls

A new study highlights the need for increased culls to control the UK's growing deer population. The research found that current management efforts are insufficient to stop populations from spreading out of control, threatening biodiversity and causing damage to crops and road traffic accidents.

'Healthier hormones' through diet and exercise

A study of 439 overweight postmenopausal women found that weight loss and physical activity lower the risk of breast, colorectal, and cervical cancers. Adiponectin levels increased with weight loss, while leptin levels decreased, suggesting a protective effect against tumor cell growth.

Curtains down for the black hole firewall paradox

Researchers have found that entanglement across a black hole's event horizon plays a crucial role in determining the existence of a 'firewall' paradox. The study confirms and generalizes previous claims about entanglement in black holes, supporting Einstein's theory of gravity.

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.

Visceral fat causally linked to intestinal cancer

A mouse study published in Cancer Prevention Research found that removing visceral fat reduces the development of intestinal tumors. The study also showed gender differences in how adiposity affects cancer risk, highlighting the need for targeted strategies to reduce abdominal obesity and promote weight loss.

Killing cancer cells with acid reflux

University of Central Florida chemist Kevin Belfield uses acid reflux to kill certain cancer cells by making them more acidic when exposed to specific wavelengths of light. This technique could provide a way to target cancer cells deep within human tissue with minimal side effects.

Fluke 87V Industrial Digital Multimeter

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