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Science News Archive 2015


Page 19 of 402

Heat radiates 10,000 times faster at the nanoscale

At the nanoscale, heat radiates from one surface to another in a vacuum 10,000 times faster than expected. This discovery has significant applications in next-generation information storage and devices that convert heat into electricity.

Do you really need that MRI?

Neurologist Brian Callaghan's team identified 74 unnecessary medical services in neurological care, including imaging for low back pain and headaches. The goal is to inspire discussions between clinicians and patients about avoiding wasteful or unnecessary tests and treatments.

Apple iPhone 17 Pro

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

Computer model could hold key to personalized epilepsy treatment

Researchers at Newcastle University developed a computer model that identifies brain regions responsible for epileptic seizures, leading to improved surgical outcomes. The study successfully simulated brain activity and identified the most seizure-prone areas in patients with temporal lobe epilepsy.

Study finds simple ways to increase participation in EITC

A recent study by Carnegie Mellon University found that small changes to tax notices can significantly increase EITC participation. The study showed that making the layout cleaner and displaying the potential credit amount in the headline led to a higher response rate.

CRISPR-Cas9 helps uncover genetics of exotic organisms

Researchers used CRISPR-Cas9 to knock out six Hox genes in a sandhopper, shedding light on the genetic mechanisms that determine leg anatomy and evolutionary patterns. By analyzing the resulting transformations, they identified which genes control specific appendages and gained insights into how evolution shapes animal body plans.

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.

Save the salamanders

A new fungal pathogen, Batrachochytrium salamandrivorans (Bsal), poses a significant threat to North America's amphibian populations. The authors propose concrete steps to prevent or reduce the risk of Bsal entry into the United States, Canada, and Mexico.

NASA tests ICESat-2's laser aim

Engineers tested ATLAS's precision by simulating launch vibrations and temperature changes to ensure accurate beam alignment. The automatic steering mechanism adjusts the laser beams to hit specific spots on Earth, generating a precise electrical signal.

Bacterial circadian clocks set by metabolism, not light

A new study finds that bacterial circadian clocks are set by metabolic rhythms, rather than light exposure. Genetically engineered cyanobacteria showed that the clock responds to sugar availability and can maintain a regular rhythm in complete darkness.

Periodic table of protein complexes

Researchers have created a new 'periodic table' to visualize and predict how proteins combine to drive biological processes. The table reveals fundamental steps in the evolution of protein complexes, providing a systematic view on protein assembly.

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.

First look at how astrocytes function in humans

Human astrocytes have unique genes and respond differently to neurotransmitters, particularly glutamate, suggesting improved detection of neuroactivity. The study's novel method allows researchers to compare astrocytes from healthy tissue and those affected by diseases such as glioblastoma and epilepsy.

£14 million funding for major long-term science studies

Three high-value research projects will receive £13.9M in funding to develop cheap and effective vaccines for poultry, create self-fertilising plants and breed elite lines of wheat. The projects are led by world-leading researchers and will address major scientific challenges with five years of funding.

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 theory of Okinawan coral migration and diversity proposed

Researchers analyzed coral genome samples from the Ryukyu Archipelago, revealing 4 distinct groups corresponding to geographical locations. The findings suggest that coral populations repopulated themselves after 1998 bleaching, contradicting previous assumptions about long-distance larval migration.

MIT chemists characterize a chemical state thought to be unobservable

For the first time, MIT chemists have measured the energy of a transition state in a chemical reaction, a fleeting and unstable state thought to be impossible to experimentally characterize. By analyzing changes in vibrational energy levels, they were able to decipher the patterns of reactants approaching the transition state.

Safer, faster heart scans in view

Researchers at University of Oxford have developed a new technique that uses T1 mapping to create pixel-by-pixel maps of the heart without injections, improving detail and reducing subjectivity. This technology has the potential to help diagnose heart conditions in patients with severe kidney failure.

Dartmouth-led team discovers new acoustic, vibrational duet in crickets

Researchers found a unique communication system in one group of crickets where females produce a vibrational signal after male calls, allowing them to locate each other. The study suggests this origin might be more common than previously thought and sheds light on the evolution of acoustic communication systems.

TSRI scientists show how drug molecules regulate a medically important protein

Researchers at TSRI have discovered the dynamics of β2 adrenergic receptor (β2AR), a protein linked to asthma, obesity and type 2 diabetes. The study found that β2AR naturally fluctuates between its active and inactive states in the absence of any drug, and different drugs can either stimulate or inhibit signaling.

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.

Why does tamoxifen work better in some women?

Researchers investigated the reasons behind tamoxifen's varying efficacy in women. Genetic variants on the CYP2D6 gene were initially linked to worse survival rates, but subsequent studies found no association. Advanced statistical modeling suggests that genotyping errors may have contributed to these findings.

Air pollutions control policies effective in improving downwind air quality

A study by the University of Maryland Center for Environmental Science found that emissions controls on coal-fired power plants reduced mercury levels in the air by up to 75% over a 10-year period. This reduction was strongly correlated with power plant emissions from Ohio, Pennsylvania, and West Virginia.

Nanolive launches the ultimate live cell imaging tool at ASCB2015 in San Diego

Nanolive SA announces the launch of its groundbreaking 3D Cell Explorer microscope, which enables real-time exploration of living cells in 3D. The tool has the potential to fundamentally change research in cell biology across various fields, including education, universities, cosmetics, hospitals, and pharma industry.

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.

Fossils reveal ancient shrublands in fiery landscape

New fossil evidence reveals that Australia's fire-prone shrubland open vegetation originated at least 70 million years ago. This finding rejects the previous notion that rainforests covered Australia until 40 million years ago and instead suggests that native vegetation types evolved under the influence of fires on a drying continent.

How Ebola spread in Western Africa, 2014-2015

Researchers used genome sequencing to trace Ebola's spread in Liberia, finding that most cases were linked to a single introduction of the virus in September 2014. The study suggests that widespread migration within Liberia contributed to the outbreak's magnitude and longevity.

Hospital safety culture critical in improving surgical results

A Journal of the American College of Surgeons study reveals that a hospital's safety culture plays a significant role in delivering high-quality patient care. The study found that 10 out of 12 safety culture factors influenced surgical site infection rates after colon operations.

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.

A gold standard to improve cancer genome analysis

A gold standard data record has been established to improve cancer genome analysis and detect somatic mutations reliably. The record, obtained from interlaboratory testing, provides a basis for laboratories to evaluate their bioinformatic methods and thresholds for detecting specific mutations.

INRS professor José Azaña elected Optical Society Fellow

Professor José Azaña has been elected Fellow by the Optical Society (OSA) in recognition of his remarkable contributions to ultrafast photonics. He is the only Quebec academic and one of three Canadian researchers among this year's group of 77 OSA Fellows.

Health professionals lack knowledge about female genital mutilation

A review of 18 studies found that health professionals' knowledge of female genital mutilation (FGM/C) varies greatly according to their work setting. FGM/C is a harmful practice affecting 100-140 million women worldwide, with long-term complications including recurrent urinary infections and psychological problems.

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.

Minerals from Papua New Guinea hold secret for recycling of noble gases

Researchers from Syracuse University found that atmospheric argon and neon are trapped in minerals formed at ultra-high pressure depths within the Earth's mantle. These findings indicate that noble gases can be recycled from the atmosphere into the deep Earth, and back to the surface again through a process known as forearc recycling.

New method allows scientists to screen natural products for antibiotics

A new method developed by UC San Diego biologists can quickly identify and characterize compounds capable of controlling antibiotic-resistant bacteria in natural product extracts. This breakthrough could shave years off screening efforts and lead to the discovery of new antibiotics, addressing a growing global crisis.

Could metal particles be the clean fuel of the future?

A study by McGill University researchers proposes using metal powders as a viable alternative to fossil fuels for generating electricity and powering transportation. The use of metal powders in external-combustion engines could provide a zero-carbon solution with recyclable fuels that store clean primary energy.

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.

Stereotypes around aging can negatively impact memory and hearing

A recent study by researchers at the University of Toronto found that negative views on aging can negatively impact memory and hearing in older adults. The study suggests that education and training exercises can help improve cognitive and physical performance, dispel stereotypes about aging, and enhance overall quality of life.

Nanotech drug delivery shows promise for improved melanoma treatment

Researchers at Oregon State University have developed a three-drug delivery system that targets cancer cells in the lymph nodes, reducing toxicity and resistance. The technology has shown success in laboratory animals and holds potential for treating various types of cancer that spread through the lymphatic system.

Linguists discover the best word order for giving directions

A study published in Frontiers in Psychology found that people are quicker to find a hard-to-see person in an image when the directions mention a prominent landmark first, as opposed to last. The researchers also discovered that listeners prefer to use these landmarks as 'mental bookmarks' to speed up the process.

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.

Detecting and identifying explosives with single test

A new sensor developed by UCL scientists can detect and identify five commonly used explosives in solution within 10 seconds. The sensor uses fluorescent technology to create unique 'fingerprints' for each compound, allowing for multiple explosives to be detected with a single test.

Celestron NexStar 8SE Computerized Telescope

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

'Hijacking' and hibernating parasite could alter brain behavior

Researchers discovered how a common parasite, Toxoplasma, hijacks host cells to store food for decades, altering host behavior. The findings could lead to vaccines and drugs to protect against the parasite's serious risks, including miscarriage and birth defects.

Witnessing drug use can spur immediate antisocial behavior by teens

Researchers found that teens who witness others using substances are more likely to engage in antisocial behavior, especially those with a 'risk-taking' gene. The study used cell phones to track teens' daily lives and found that witnessing substance abuse triggers misbehavior.

NASA Goddard lab chief wins Maryland Chemist Award

Jason Dworkin, chief of NASA's Astrochemistry Laboratory, has made significant contributions to our understanding of the early solar system through his research on organic compounds in meteorites, comets, and asteroids. His work has identified amino acids and nucleobases that are precursors to essential biological molecules, shedding l...

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.

Plants cope with climate change at genetic level

Researchers found that certain plant species can quickly respond to induced climate challenges through rapid genetic changes. This study suggests that pre-existing genetic variation plays a crucial role in supporting plant resilience in the face of climate change.

Scientists discover 'white whale' fossil

A 15-million-year-old fossil sperm whale specimen from California has been re-analyzed by researchers, revealing a new genus name 'Albicetus' due to its bone-white color. This discovery sheds light on the evolution of body size in sperm whales and suggests that they may have fed on large prey like marine mammals.

What computers won't tell you about ecological and evolutionary dynamics

Researchers applied complexity theory from computer science to study ecological and evolutionary dynamics, revealing unexpected connections between the two fields. They found that certain fundamental questions in ecology and evolution can be precisely characterized by specific classes of complexity theory.

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.

Superhydrophobic coating protects without the price

Researchers at Rice University and Swansea University have developed a new class of superhydrophobic nanomaterials that are inexpensive, nontoxic, and can be applied to various surfaces via spray- or spin-coating. The coating is equivalent in performance to commercial coatings that employ hazardous fluorocarbons.