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Science News Archive March 2014


Page 10 of 34

One in 10 male, same-sex Craigslist ads seek men who don't identify as gay

A study by Columbia University's Mailman School of Public Health found that men seeking non-gay-identified (NGI) partners on Craigslist tend to prioritize anonymity and masculinity, which may increase the risk of HIV transmission. Only a small percentage of NGI-seeking ads mentioned safe sex or condom use.

NASA spots Tropical Cyclone Gillian's eye closing

Tropical Cyclone Gillian's maximum sustained winds peaked at 140 knots/161.1 mph/259.3 kph on March 23 as it pulled away from Indonesia. The storm began to weaken due to upper-level northwesterly wind shear and a mid-level trough approaching its path.

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.

Guideline: Medical marijuana in pill form or oral spray may ease some MS symptoms

The guideline states that certain forms of medical marijuana in pill or oral spray form may help reduce patients' reported spasticity symptoms, pain due to spasticity, and frequent urination. However, long-term safety of medical marijuana use is not known, and potential side effects include seizures, dizziness, and psychological problems.

Parallel programming may not be so daunting

Researchers find that a wide range of lock-free algorithms offer performance guarantees comparable to wait-free algorithms, even with complex scheduler variations. This discovery simplifies multicore chip programming, as programmers often program under the assumption of benevolent schedulers.

The fundamentals of facial recognition

A recent Harvard University study using prosopagnosia patients found that face recognition is a distinct cognitive process. Patients with face blindness showed poor performance in recognizing faces, contrasting with their ability to recognize other objects of expertise.

Deletion of FAT10 gene reduces body fat, slows down aging in mice

Researchers at Tufts University have discovered that deleting the FAT10 gene reduces body fat and extends lifespan in mice by 20%, improving insulin sensitivity and protection against type 2 diabetes. The study provides a promising lead for future research into the role of FAT10 in coordinating immunity and metabolism.

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.

Keep calm and don your video glasses

A study found that video glasses effectively distract patients undergoing minimally invasive treatment procedures, such as biopsies and catheter placements. Patients wearing video glasses showed a significant reduction in anxiety levels, with no adverse effects on blood pressure or pain levels.

Researchers take mathematical route to fighting viruses

Researchers at the University of York and University of Leeds have developed a mathematical model that explains the molecular mechanisms behind virus assembly. The discovery opens up possibilities for the development of anti-viral therapies and could help treat diseases such as HIV, Hepatitis B and C, Norovirus, and the Common Cold.

Apple iPhone 17 Pro

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

Ancient Indonesian climate shift linked to glacial cycle

Researchers from Brown University have assembled a 60,000-year record of rainfall in central Indonesia, showing that the region's normally wet climate was interrupted by a severe dry period during peak ice age. This finding provides crucial data for predicting how the region might respond to global warming.

Would you believe your hand could turn into marble?

Researchers induce a bodily illusion where participants' hands feel stiffer and heavier, showing the brain can quickly update its perception of body material. This study reveals multisensory integration can alter perceived body properties, which may help explain how tools and prostheses integrate into our body schemas.

Lots of carbon dioxide equivalents from aquatic environments

A study by two students at Linköping University found that aquatic environments in India emit 42% of expected natural carbon dioxide equivalents, highlighting the importance of reducing fossil carbon emissions. Methane accounts for 71% of these emissions, providing a potential pathway to reduction through water pollution mitigation.

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.

Mice give ticks a free lunch

White-footed mice are 'super hosts' that transfer disease-causing pathogens to feeding ticks, yet appear indifferent to larval tick infestations. Research found that heavy tick burdens did not reduce mouse survival or overwintering success, and may even enhance their chances of survival.

Oncologists differ widely on offering cancer gene testing, study finds

A study at Dana-Farber Cancer Institute found wide variation in oncologists' attitudes towards offering cancer gene testing, with those having high genomic confidence more likely to prescribe the test. The survey revealed that 42% of doctors approved telling patients about uncertain test results, highlighting concerns about delivering ...

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.

When mothers are active so are their children -- but many mothers are not

A new study found that mothers' levels of physical activity are closely related to those of their preschool children. Only 53% of mothers engaged in 30 minutes of moderate-to-vigorous physical activity at least once a week, with the amount of activity a mother and her child did each day being highly correlated.

Plugging the hole in Hawking's black hole theory

Physicist Chris Adami has solved the information paradox in Hawking's black hole theory by introducing the concept of stimulated emission. According to Adami, the information swallowed by a black hole is copied and preserved outside the event horizon through stimulated emission.

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.

Annals of Internal Medicine tip sheet for March 25, 2014

The US Preventive Services Task Force found insufficient evidence to recommend routine screening for cognitive decline in older adults. The FDA is reforming its approval process for high-risk medical devices to prioritize patient safety, requiring clinical data and clear labeling.

Nasal spray delivers new type of depression treatment

Researchers at CAMH have developed a nasal spray that delivers a peptide to treat depression, providing an alternative therapeutic approach. The peptide treatment interferes with dopamine receptors, leading to anti-depressant effects and showing potential in relieving symptoms.

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.

New technique sheds light on human neural networks

Researchers developed a new technique using spatial light interference microscopy (SLIM) to measure human neural networks, showing how neurons grow, organize, and transport materials. The study provides insights into the formation of neural networks and could lead to advancements in understanding diseases like Alzheimer's.

p53 cuts off invading cancer cells

Researchers discovered that p53 acts to prevent cancer cell invasion by initiating a chain of events that ultimately prevents the formation of lamellipodia. This process involves the activation of a mitochondrial protease called Omi, which cleaves actin filaments and suppresses the activity of focal adhesion signaling protein p130Cas.

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.

How developing sperm stick to the right path

Researchers found that developing sperm cells lacking p73 detached prematurely and died, while Sertoli cells lost their characteristic morphology. The study demonstrates the critical role of p73 in regulating cell adhesions for male fertility.

From mouse ears to man's?

Researchers at Tel Aviv University have discovered that DNA therapy can preserve inner ear nerve cells in humans with certain types of progressive hearing loss. The study uses a protein growth factor to block degeneration and has important implications for enhancing sound perception with cochlear implants.

Recovering valuable substances from wastewater

Researchers have developed a technology to recover phosphorus from wastewater using superparamagnetic particles. The particles trap phosphate anions, which can then be removed using magnets, leaving water clear of pollutants. This innovative method has the potential to protect the environment and provide a sustainable raw material source.

Protein plays key role in infection by oral pathogen

Research finds that protein TG2 enables bacteria Porphyromonas gingivalis to adhere to cells, and blocking its associations prevents bacterial adhesion. The study provides insight into a potential target for preventing gum disease.

Statins could ease coughing in lung disease patients, study finds

A daily high dose of statins over six months significantly improved coughing symptoms in 12 out of 30 patients with bronchiectasis. The treatment also reduced inflammation and enabled patients to tolerate gentle exercise better. Larger studies are now needed to confirm these findings.

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.

First look at breast microbiota raises tantalizing questions

A recent study published in Applied and Environmental Microbiology has identified a distinct population of microbes in the breast tissue, with Proteobacteria being the dominant phylum. The presence of beneficial bacteria like Lactobacillus and Bifidobacteria suggests a potential protective effect for both mother and child.

Biased sex ratios predict more promiscuity, polygamy and divorce in birds

A study by University of Sheffield and University of Bath found that female-biased populations have higher divorce rates, while male-dominated environments lead to increased short-term infidelity. The research also discovered that both sexes become more polygamous when the sex ratio is skewed towards the opposite sex.

Like being inside a star

Researchers used a highly accurate simulation model to test a hypothesis about the behavior of hydrogen under extreme conditions. The study found that metallization can only occur at pressures approaching 500 gigapascals, a value that is currently beyond experimental capabilities.

Celestron NexStar 8SE Computerized Telescope

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

New discovery finds missing hormone in birds

A team of researchers from the University of Akron has made a groundbreaking discovery by identifying the missing hormone leptin in birds. Leptin plays a crucial role in regulating body fat storage, metabolism, and appetite, but its presence was unknown in avian species until now.

Study finds gout drug may reduce risk of death

A recent study published in Annals of the Rheumatic Diseases found that allopurinol, a commonly used gout medication, is associated with a reduced risk of death in hyperuricemic patients. The study also suggests that treatment with allopurinol may protect against premature death, outweighing rare but serious adverse effects.

Computer models solve geologic riddle millions of years in the making

A team of scientists used computer modeling to reveal how giant swirls form during plate collision, explaining the origin of curved mountain chains along subduction zones. The model suggests that parts of the subducted slab sweep around behind the collision, pushing continental material into the mountain belt.

Motor learning: Lining up our sights

Neurologists investigate the significance of the vestibular system in directing gaze, finding that patients with vestibular or cerebellar dysfunction have difficulty controlling eye movements. The study suggests that rehabilitation training based on active head movements can enhance gaze shift control and learning to find endpoints.

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.

A mathematical equation that explains the behavior of nanofoams

A study by Universidad Carlos III de Madrid reveals that nanofoams follow the same universal laws as soap lather, with small bubbles disappearing in favor of larger ones. The researchers used an atomic force microscope to observe the evolution of nanostructures during ion radiation.

Research reveals new depths of complexity in nerve cells

Researchers found CaM Kinase II plays a significant role in controlling neuropeptide release from neurons, affecting learning, memory, social behaviors, and mood. The study's findings could lead to future therapies targeting altered mood and memory in humans.

Meta Quest 3 512GB

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

New implant shows promise for painful osteoporotic spine fractures

A new vertebral augmentation implant showed promise in reducing pain and improving function in patients with compression fractures caused by osteoporosis. The study, involving 300 patients, found the implant to be effective in providing similar pain relief as current treatments and improving quality of life.

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.

Complex brain functional network connection after stroke

Researchers discovered that stroke patients' brains exhibit more complex functional network connectivity than healthy controls. The study also identified a compensation loop in the brain's functional network following stroke, suggesting its role in rehabilitation.

Hunt for an unidentified electron object

The new framework was used to understand the dynamics of quantized vortices and their interaction with electrons. The researchers discovered a novel mechanism of vortex multiplication, which explains why unidentified electron objects were found only at lower temperatures.