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Science News Archive December 2017 - Page 26


Page 26 of 33

LGBQ* women's sexual desire particularly impacted by social and cultural pressures

A recent study published in Sexuality & Culture explores how LGBQ* women's sexual desire is influenced by sociocultural factors such as sexism, religion, and body image. The research reveals that these factors have a significant impact on the lives of LGBQ* women, particularly those who identify as women of color or bisexual.

SourceUniversity of Kentucky·JournalSexuality & Culture·DateDec 6, 2017

Needle in a haystack

A new method developed by Harvard Medical School researchers can tease out cause-and-effect relationships between gut bacteria and disease, a major hurdle in microbiome research. The approach identified a previously unknown gut microbe that protects against severe colitis.

SourceHarvard Medical School·JournalNature·DateDec 6, 2017
Apple iPhone 17 Pro

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

Study: Surgery-related opioid doses can drop dramatically without affecting patients' pain

A new guideline based on patient data and education has been shown to effectively reduce opioid prescribing in surgery patients by up to 66%, while maintaining similar levels of pain control. The study's findings have the potential to significantly impact the national opioid crisis, with estimates suggesting over 13,000 excess pills ha...

SourceMichigan Medicine - University of Michigan·JournalJAMA Surgery·DateDec 6, 2017

Healthy mitochondria could stop Alzheimer's

Researchers discovered that enhancing mitochondrial defenses can reduce amyloid plaque formation and improve cognitive function in Alzheimer's disease. The approach targets the mitochondrial unfolded protein response and mitophagy mechanisms to restore cellular energy production and protect against neurodegeneration.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·DateDec 6, 2017
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.

What makes a happy working mom?

A happy working mom is one who feels competent and has a warm relationship with her child. Her sense of well-being depends on meeting her own psychological needs, rather than her baby's temperament. Mothers should prioritize their daily needs to interact with their children in a more sensitive and positive way.

SourceSpringer·JournalJournal of Happiness Studies·DateDec 6, 2017

Seizure study sheds light on lasting brain effects in children

A study published in The Lancet Child and Adolescent Health found that prolonged convulsive seizures in childhood can lead to lasting neurological conditions, including epilepsy, learning disabilities, and movement problems. Children with pre-existing neurological issues were more likely to experience chronic problems after a seizure.

SourceUniversity of Edinburgh·JournalThe Lancet Child & Adolescent Health·DateDec 6, 2017

Seeing through walls of unknown materials

Researchers have devised a method to scan walls without prior knowledge of their material composition, exploiting symmetry for effective resolution. This approach enables inexpensive devices to locate conduits, pipes, and wires in construction, with potential applications in security and industry.

SourceDuke University·JournalOptica·DateDec 6, 2017

Go with the flow (or against it)

Researchers at Queen's University have successfully used magnetic fields to direct magnetotactic bacteria against strong currents, opening up the potential for these microbes to deliver pharmaceuticals directly to tumors. The team aims to bind therapeutic drugs to the bacterial bodies and release them once they reach their destination.

SourceQueen's University·JournalSmall·DateDec 6, 2017
Fluke 87V Industrial Digital Multimeter

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

Caterpillar attacks allow aphids to sneak up on plants

A study found that plants prioritize flower protection over leaf defense and increase hormone concentrations in flowers to deter attackers. Dual attacks by caterpillars and bacteria leave plants more vulnerable to aphid attacks.

SourceWiley·JournalNew Phytologist·DateDec 6, 2017

Living on thin air -- microbe mystery solved

Researchers have discovered that microbes in Antarctica can scavenge hydrogen, carbon monoxide and carbon dioxide from the air to sustain their energy needs. This discovery has significant implications for the search for life on other planets, suggesting that extra-terrestrial microbes could also rely on trace atmospheric gases.

SourceUniversity of New South Wales·JournalNature·DateDec 6, 2017

Wheat gets boost from purified nanotubes

Researchers at Rice University found that purified carbon nanotubes enhance wheatgrass growth by up to 13% in water solutions. However, contaminated particles can concentrate toxins and hinder plant development. The study highlights the need for understanding nanomaterials as part of a system rather than in isolation.

SourceRice University·DateDec 6, 2017

More-severe climate model predictions could be the most accurate

Researchers from Carnegie Institution for Science found that climate models projecting greater amounts of warming are more likely to align with current observations. The study suggests that models simulating reduced cloud cooling in the future tend to predict greater future warming.

SourceCarnegie Institution for Science·JournalNature·DateDec 6, 2017
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.

Researchers devise better recommendation algorithm

A new recommendation algorithm uses cosine similarity to predict customer preferences in high-dimensional spaces, leveraging the angle between user rating lines. The approach balances signal gain with noise introduction, resulting in more accurate predictions and better performance, particularly when ratings data is sparse.

SourceMassachusetts Institute of Technology·DateDec 6, 2017

Supermassive black hole is ahead of its time

Astronomers have detected an extremely distant supermassive black hole with a mass 800 million times that of our Sun, pushing the boundaries of understanding the early cosmos. The discovery, based on data from Gemini Observatory, reveals the universe was only 5% of its current age at this distance.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalNature·DateDec 6, 2017

Microwaved exploding eggs make for an unusual acoustic experiment

Researchers Anthony Nash and Lauren von Blohn investigated the acoustic properties of exploding eggs in a microwave oven. They discovered that the yolk's temperature is consistently higher than the surrounding water bath, leading to superheated pockets that cause a chain reaction resulting in an explosion-like phenomenon.

SourceAcoustical Society of America·DateDec 6, 2017
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.

A 100-fold leap to GigaDalton DNA nanotech

Researchers at Harvard's Wyss Institute have developed a new method for creating three-dimensional nanostructures using DNA 'bricks' that can self-assemble into structures with unprecedented complexities. The technology allows for the creation of nanostructures with complex cavities and potential applications in medicine and engineering.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalNature·DateDec 6, 2017

NASA sees sees Ockhi's Rain reach India's Western coast

NASA's GPM mission observed remnants of Tropical Cyclone Ockhi reaching the Indian coast with heavy rainfall exceeding 101.6 mm per hour. The storms' displacement indicates strong vertical wind shear, pushing them away from the center.

SourceNASA/Goddard Space Flight Center·DateDec 6, 2017

The human race has peaked

A recent review suggests humans have biological limitations that cannot be exceeded, despite advances in nutrition, medicine and science. Environmental changes, including climate change, could lead to decreased physical abilities and life expectancy.

SourceFrontiers·JournalFrontiers in Physiology·DateDec 6, 2017
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.

Combating eye injuries with a reversible superglue seal

Scientists at USC have developed a temperature-sensitive gel that can seal eye injuries, allowing for faster treatment and reducing the risk of complications. The reversible seal can be easily removed with cool water, making it a promising solution for treating ocular injuries on the battlefield.

SourceUniversity of Southern California - Health Sciences·JournalScience Translational Medicine·DateDec 6, 2017

Nanomaterials: How to separate linear and ring-shaped molecules

Researchers developed an automatized strategy to separate circular molecules from their linear counterparts using microfluidic channels decorated with attractive spots. This separation technology is crucial for analyzing topology in biological systems and developing new materials.

SourceUniversity of Vienna·JournalACS Macro Letters·DateDec 6, 2017
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.

UH cancer researcher focused on tumor development

A University of Houston researcher is developing a new approach to prevent esophageal cancer by targeting precursor lesions like Barrett's esophagus. By cloning stem cells from these lesions, the researcher hopes to identify drugs that can selectively kill them before they progress to cancer.

SourceUniversity of Houston·DateDec 6, 2017

New approach measures early human butchering practices

A team led by Purdue University anthropology professor Erik Otárola-Castillo used 3D imaging, shape analysis, and Bayesian statistics to accurately measure animal bone cut marks with an 88 percent success rate. This technique improves upon existing archaeological methods, enabling a more accurate understanding of human evolution.

SourcePurdue University·JournalJournal of Archaeological Science·DateDec 6, 2017

Study: Parents' reports of children's autism symptoms differ by race

A study by Georgia State University found that black parents reported significantly fewer concerns related to autism symptoms than white parents. This disparity may affect healthcare providers' abilities to identify children who need further screening or evaluation, potentially leading to missed or delayed diagnoses in black children.

SourceGeorgia State University·JournalAutism·DateDec 6, 2017
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.

Compound eyes a continuous feature of evolution

Researchers discovered the structure and functioning of a half-billion-year-old fossil trilobite's compound eye, showing similarities with modern compound eyes. The ancient eye consists of 100 subunits with eight sensory cells each, but lacks a lens, suggesting its development may have predated modern forms.

SourceUniversity of Cologne·JournalProceedings of the National Academy of Sciences·DateDec 6, 2017

Psychosis incidence highly variable internationally

A new study finds that psychosis incidence can be up to eight times higher in some regions compared to others, highlighting the role of environmental factors in contributing to the condition. The study's findings suggest that areas with social deprivation and owner-occupied housing have lower rates of psychosis.

SourceUniversity College London·JournalJAMA Psychiatry·DateDec 6, 2017

Study finds recreational drug users not what we think

Research reveals almost 40% of Aussies have used illicit drugs at some stage, with 17% using them in the past 12 months. Recreational users view themselves as different from habitual users, driven by social networking and performance enhancement.

SourceJames Cook University·JournalJournal of Substance Use·DateDec 6, 2017
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.

Researchers 3-D print lifelike artificial organ models

A team of researchers from the University of Minnesota has created lifelike artificial organ models through 3D printing, featuring integrated soft sensors. These patient-specific models can enhance pre-operative practice, allowing surgeons to better plan and execute surgeries, potentially reducing medical errors and saving lives.

SourceUniversity of Minnesota·JournalAdvanced Materials Technologies·DateDec 6, 2017

The world's smallest Mona Lisa

Researchers at Caltech developed a method to assemble large DNA structures with customizable patterns, creating a 'canvas' that can display any image. They used fractal assembly to recreate the world's smallest Mona Lisa using DNA origami.

SourceCalifornia Institute of Technology·JournalNature·DateDec 6, 2017

A new law to tackle contract cheating and essay mills?

A new law aims to address contract cheating by placing strict liability on service providers, rather than students. This approach tackles the issue of 'intent' in contract cheating, where services use terms and conditions to protect themselves from student accusations.

SourceSwansea University·JournalInternational Journal for Educational Integrity·DateDec 6, 2017
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.

Unique field survey yields first big-picture view of deep-sea food webs

Researchers used video observations to reveal that deep-sea jellies are key predators and play a crucial role in forming the principal forage base for many commercially-important meso-predators and apex species. The study also found that gelatinous animals have complex food habits spanning the entire food web.

SourceMonterey Bay Aquarium Research Institute·DateDec 6, 2017

Dangers of commonly prescribed painkillers highlighted in study

A new study published in PLOS ONE reveals that medications like opioids and antidepressants for chronic pain management increase the risk of obesity and poor sleep. The research found that these medications double the risk of obesity and are associated with poor sleep, highlighting the need to reduce their use.

SourceNewcastle University·JournalPLOS ONE·DateDec 6, 2017
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.

Brain changes following childhood limb loss may be reversible

A recent study found that certain brain changes following limb amputation in children can be reversed through bilateral hand transplantation. The lead author suggests that the brain preserves functional areas and reactivates them upon recovery of the hands.

SourceWiley·JournalAnnals of Clinical and Translational Neurology·DateDec 6, 2017

What's that smell? The advantage of sniffing

Researchers found that precise timing patterns of brain activity distinguish between airflow-driven mechanical signals and those generated by odors. This discovery demonstrates the neural code underlying olfaction, revealing how neurons differentiate between air-flow information and odor information.

SourceRIKEN·JournalNeuron·DateDec 6, 2017

Want to listen better? Lend a right ear

Researchers at Auburn University discovered that both children and adults rely more on their right ear for processing information in noisy environments. The study found that when cognitive demand increases, the right-ear advantage persists in mature auditory systems.

SourceAcoustical Society of America·DateDec 6, 2017
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.

PET tracer gauges effectiveness of promising Alzheimer's treatment

A new PET tracer has been developed to effectively gauge the effectiveness of promising Alzheimer's treatments in mouse models. The tracer binds to BACE1, a key enzyme involved in amyloid-β development, and accurately measures its effects on brain metabolism, neuroinflammation, and amyloid-β pathology.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateDec 6, 2017

A new gene therapy transplantation technique could improve treatment of neurodegenerative diseases

A new gene therapy transplantation technique could improve treatment of neurodegenerative diseases by generating genetically engineered microglia-like cells in the brain. This technique has been tested on an experimental model for a metabolic disease and may have future therapeutic applications for other neurodegenerative diseases.

SourceBoston Children's Hospital·JournalScience Advances·DateDec 6, 2017
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.

Decades-past logging still threatens spotted owls in national forests

New research shows that decades-old logging restrictions have failed to reverse population declines of spotted owls in US national forests due to a 'tree deficit', requiring longer-term restoration efforts. The study found stable owl populations in nearby national parks with intact habitats.

SourceUniversity of Wisconsin-Madison·JournalDiversity and Distributions·DateDec 6, 2017