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Science News Archive 2015


Page 217 of 402

Supercomputers surprisingly link DNA crosses to cancer

Researchers at UT Austin found a surprising link between cross-shaped DNA structures and human cancer, with small cruciforms enabling mutations that increase cancer risk. High-performance computing helped identify hotspots of genetic instability in cancer genomes.

Could we one day control the path of lightning?

Researchers at INRS have successfully guided electric discharges using lasers, achieving smooth paths along straight or parabolic trajectories. The study's findings hold significant potential for various applications, including combustion engines and pollution control.

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.

ACE pilot study takes cancer rehab to the community

The Alberta Cancer Exercise (ACE) pilot study explores a community-based approach to support cancer survivors in regaining their strength and energy levels. Participants receive either standard care or supervised group exercise training, showing promising results for improved physical fitness and mental well-being.

TGen study identifies first genetic mutation associated with Aicardi syndrome

A genetic mutation in the TEAD1 gene has been identified as the first associated with Aicardi syndrome, a debilitating childhood neurological condition. The study found that children with this disorder experience severe symptoms, including seizures, retina damage, and brain abnormalities, and that boys may also be affected.

The successful ovulation of 100 eggs from 1 female mouse

Researchers developed an ultra-superovulation method to increase the number of eggs obtained from genetically modified mice, reducing the need for multiple females and improving efficiency in IVF and embryo transfers. The breakthrough could lead to a significant reduction in the number of experimental animals used in research.

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.

NASA sees Tropical Depression Bill tracking through US

NASA's Aqua satellite captured a visible image of Tropical Depression Bill's remnants over the central United States on June 18. The storm is expected to bring significant rainfall and flash flooding to the eastern two-thirds of the US, including sections of Arkansas, Missouri, Illinois, Indiana, Ohio, Louisiana, and Texas.

Access to electricity is linked to reduced sleep

Research comparing traditional hunter-gatherer communities with and without access to electricity reveals that those with electricity sleep an average of one hour less per night than those without. The study suggests that artificial light disrupts humans' natural circadian clock and sleep-wake cycle, leading to shorter nights.

BUSM researcher receives $1.6 million NIH grant for pneumonia research

A Boston University School of Medicine researcher has been awarded a four-year, $1.6 million NIH grant to investigate how immunity to pneumonia develops and protects certain individuals. The study aims to understand the role of resident memory T cells in preventing pneumonia and identify who is most likely to get the disease.

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.

Scientists identify amino acid that stops seizures in mice

Researchers at Johns Hopkins Medicine identified a potent seizure inhibitor in mice using D-leucine, an amino acid found in many foods and certain bacteria. The amino acid interrupts prolonged seizures effectively without sedative side effects, paving the way for new treatments for drug-resistant epilepsy.

Lake fire in California burns over 11,000 acres

A California lake fire has burned over 11,000 acres in the San Bernardino National Forest, with 150 structures threatened. The fire's proximity to hiking trails and high-pressure weather conditions are hindering containment efforts.

How to wipe out polio and prevent its re-emergence

A new study by University of Michigan graduate research fellow Micaela Martinez-Bakker reveals that silent transmission of poliovirus could continue for more than three years with no reported cases. To ensure eradication, aggressive surveillance programs and vaccination campaigns must continue in endemic countries.

Engineer develops real-time listeria biosensor prototype

Engineers have created a prototype for real-time listeria bacterial contamination detection, aiming to detect levels as low as one bacteria in a 25-gram sample. The device utilizes nanobrushes that select and capture specific bacteria, mimicking the mechanism used by the Hawaiian bobtail squid's cilia.

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.

Culturing the connectome

Researchers at OIST developed a method to recreate connections between neurons from two different brain areas in a dish, allowing for the study of brain function and potential treatments for neurological disorders. The breakthrough used neurons from embryos of mice and created a working corticostriatal network.

Olfactory cells transplanted to treat spinal cord injury

Researchers found modest improvements in patients with spinal cord injury treated with olfactory mucosa transplants, showing 'promising and safe' results. The study demonstrated benefits in ASIA sensory scores, bladder compliance, sensation, and daily life activities.

EMBL scientists solve decades-old cell biology puzzle

Researchers at EMBL Heidelberg solved a decades-old cell biology puzzle by clarifying the behavior of clathrin proteins, crucial for endocytosis. The team used new imaging techniques to demonstrate that the surface area of the clathrin coat remains constant during endocytosis, only changing its curvature as it draws the cell membrane i...

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.

Stanford researcher declares that the sixth mass extinction is here

A new study confirms that humans are causing a rapid pace of species loss, with extinction rates up to 100 times faster than normal, threatening ecosystem services and human survival. The researchers warn that inaction will lead to irreversible damage, but call for urgent conservation efforts to avoid a sixth mass extinction event.

New biomarker identified in women with mental illness

Researchers at University of California, San Diego School of Medicine have identified a biological marker for mental illness in female patients. The study found that specific genes, including XIST, are over-produced in women with mental illnesses like bipolar disorder, major depression, and schizophrenia.

Seniors don't bounce back fast from car crashes

A study found that over half of seniors injured in motor vehicle crashes were still taking pain medication six months later. The results highlighted the need for effective management of acute pain in older adults to prevent negative consequences on function and quality of life.

Apple iPhone 17 Pro

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

Stress in low-income families can affect children's learning

A study from the University of Rochester found that stress in low-income families can affect children's learning. Children with family instability or harsh caregivers had elevated or low cortisol levels, leading to lower cognitive ability at age 4.

DNA from illegal ivory points to poaching hotspots in Africa

Researchers used genetic tools to trace illegal ivory back to its source, identifying two primary poaching hotspots in Africa since 2006. The study found that most savanna and forest elephant tusks originated from Tanzania, Mozambique, Gabon, and the Central African Republic.

Diet that mimics fasting appears to slow aging

A new study by USC's Valter Longo suggests that a periodic diet mimicking fasting can cut visceral belly fat, boost neural regeneration and improve learning and memory in old mice. In humans, the pilot study found evidence of reduced risk factors for aging, diabetes, cardiovascular disease and cancer with no major adverse side effects.

Better switchgrass, better biofuel

Researchers are using alternative breeding methods to increase switchgrass's biomass yield, ethanol production, and reduce lignin content. The study utilizes the Smith-Hazel Selection Index to select for multiple traits simultaneously, aiming to speed up the breeding process and achieve more ideal switchgrass by 2025.

Origins of the Hawaiian hoary bat revealed by GVSU professor and research team

A study published in PLOS ONE found that the Hawaiian hoary bat migrated to Hawaii from the Pacific coast of North America in two separate waves over 9,000 years apart. This genetic history suggests that the current legal protection may be inadequate or misdirected, highlighting the need for updated conservation efforts.

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.

Snake fungal disease parallels white-nose syndrome in bats

Researchers find striking similarities between snake fungal disease and white-nose syndrome in bats, both persisting across habitats and infecting multiple species. The snake fungus, Ophidiomyces ophiodiicola, is highly virulent and can spread through pet trade and animal release.

Three-year-olds help victims of injustice

Researchers found that three- and five-year-old children are just as likely to respond to the needs of another individual as they are to their own. This suggests a core component of a sense of justice based on empathy, which is central to human prosociality and punishment.

Global search for next antibiotic

The Community for Open Antimicrobial Drug Discovery aims to screen over 50,000 chemical compounds in the next 18 months to combat superbug-resistant bacteria, with the goal of preventing millions of deaths by 2050.

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.

Researchers bring to life proteins' motion

A recent study has provided a more complete picture of how proteins move, laying the foundation for understanding molecular causes of human disease and developing potent drug treatments.

Study suggests active volcanism on Venus

Scientists have discovered transient spikes in temperature at several spots on Venus' surface, indicating active flows of lava. The hotspots are clustered in a large rift zone called Ganiki Chasma, suggesting ongoing volcanic activity.

Unknown midge mystery solved

Researchers uncover hidden diversity in minute midges through DNA analysis and type material examination. Two new species were discovered and one misidentified species was corrected, shedding light on the fascinating world of non-biting midges.

Scientists film shock waves in diamond

Researchers have used ultra-short pulses of X-rays to create a film of shock waves in diamonds, providing new insights into the structure of these hard materials. The study reveals that intense shock waves can compress diamond by almost ten percent, opening up new perspectives on its dynamic behavior under high pressure.

How do toddlers use tablets?

A team of University of Iowa researchers analyzed over 200 YouTube videos to understand toddler tablet use. They found that by age two, most children can moderate their ability to use a tablet, while younger toddlers require more guidance.

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.

New tool on horizon for surgeons treating cancer patients

A new mass spectrometry-based technology enables rapid analysis of tissue samples, offering a faster and more accurate alternative to traditional methods. The automated droplet-based surface sampling probe reduces testing time for cancer diagnosis from 20-30 minutes to just 4-5 minutes.

Tiago Falk receives award from Canadian Medical and Biological Engineering Society

Professor Tiago H. Falk has received the Canadian Medical and Biological Engineering Society Early Career Achievement Award for his innovative research projects in biomedical engineering and multimedia communications. His work includes assistive devices for people with disabilities and low-cost methods for diagnosing Alzheimer's disease.

Increased anxiety associated with sitting down

A systematic review found that sedentary behavior is associated with an increased risk of anxiety in adults and children. The link may be due to disturbances in sleep patterns, social withdrawal theory, and poor metabolic health. Further research is needed to confirm the causal relationship between sedentary behavior and anxiety.

Meta Quest 3 512GB

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

Climate change won't reduce winter deaths

A study published in Environmental Research Letters suggests that climate change will not significantly reduce winter deaths. The research found that cities with warmer winters have similar amounts of winter deaths as those with colder winters, likely due to the prevalence of flu and respiratory diseases rather than cold-related causes.

WSU scientists turn white fat into obesity-fighting beige fat

WSU scientists demonstrate that resveratrol converts excess white fat into beige fat, reducing weight gain by 40%. Polyphenols found in fruit enhance fat oxidation, preventing obesity and metabolic dysfunction. Increasing fruit consumption can boost total polyphenolic intake.

Researchers discover deep sea sharks are buoyant

Researchers found that six-gill and prickly deep-sea sharks are positively buoyant, requiring less energy to swim upward than downward. This adaptation may provide them with a 'stealth' advantage during hunting or aid in nightly migrations to shallower areas.

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.

The simplistic beauty of a free radical

Korean scientists have successfully created a new class of radical compounds by reacting nitric oxide with N-heterocyclic carbenes. The resulting nitric oxide compounds show potential for targeted NO delivery, which could lead to new therapeutic applications in various human diseases.

NASA's Hubble sees the 'teenage years' of quasars

Astronomers use Hubble Space Telescope to uncover the early formative years of quasars, finding that galaxy collisions and mergers drive their peak activity. The observations reveal the transitional phase in the merger-driven black hole scenario, providing new insights into the universe's brightest objects.

Scientists find evidence of key ingredient during dawn of life

Researchers from UNC School of Medicine provide direct experimental evidence for the rapid synthesis of two classes of proteins necessary to create life on Earth. They found that a single ancient gene probably used its two opposite strands of DNA to code for different catalysts that both activated amino acids.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Musicians don't just hear in tune, they also see in tune

Researchers found that musicians' brains can incorporate abstract music notation to enhance their visual perception of congruent musical notes. Non-musicians showed no significant difference in visual preference regardless of the melody played.

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.