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Science News Archive October 2015


Page 3 of 38

Low testosterone, men's empathy can determine parenting skills

A new University of Michigan study found that low testosterone in fathers is associated with less sensitive parenting. Men who are more empathetic and have a loving relationship with their infant's mother exhibit nurturing fathering behavior. This can impact young children's social, emotional, and cognitive development positively.

Low-fat diet not most effective in long-term weight loss

Researchers from Brigham and Women's Hospital found that low-fat interventions were no more successful than higher-fat interventions in achieving and maintaining weight loss for periods longer than one year. Low-carbohydrate weight loss interventions resulted in greater weight loss compared to low-fat diets.

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 blocks pro-vaccine beliefs?

Researchers identify cognitive barriers that hinder pro-vaccination views, including the need for trust in medicine and government. They argue that transparency and efficient science communication can increase public trust in vaccination.

New design points a path to the 'ultimate' battery

Scientists have developed a working laboratory demonstrator of a lithium-oxygen battery with very high energy density, exceeding 90% efficiency, and over 2000 recharges. The breakthrough relies on a highly porous graphene electrode and additives altering chemical reactions for improved stability and efficiency.

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.

Mummified seals reveal ecological impact of ice change

Researchers analyzed over 500 mummified seal remains to understand the impact of changing ice conditions on their diet and ecology. Crabeater seals showed little isotopic change, while Weddell seals underwent a shift in dietary values, indicating adaptations to a changing environment.

Fossil could redefine evolutionary split between monkeys and apes

A recent discovery of a small-bodied ape in Spain shares features of both catarrhines and great apes, suggesting that the last common ancestor of all apes may have been less great ape-like than previously assumed. This finding has significant implications for our understanding of hominoid evolution.

Unraveling the mysteries of 2 ancient parasites

Researchers at the University of Cincinnati uncovered ancient parasites on marine animals, including snails and worm-like creatures. The parasitic interactions between crinoids and these organisms reveal complex adaptations and co-evolutionary relationships over hundreds of millions of years.

To scratch an itch is a hairy problem

Researchers at the Salk Institute have found evidence of a dedicated neural pathway that transmits the itchy feeling triggered by light touch. The study sheds light on potential mechanisms of chronic itch and may help explain why some people are unresponsive to antihistamine drugs.

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.

Warming waters contributed to the collapse of New England's cod fishery

A new report by the National Science Foundation links rapid warming of ocean waters to the collapse of New England's cod fishery. The study found that increasing water temperatures reduced cod production and increased mortality of young fish, leading to a decline in sustainable stock levels.

Male/female brain differences? Big data says not so much

A meta-analysis of structural MRI volumes found no significant difference in hippocampal size between men and women. The study challenges common claims about sex differences in the brain, citing minimal differences in key areas such as emotional expressiveness, verbal memory, and brain communication.

Factor found to balance medically useful stem cell qualities

A study led by Mount Sinai researchers identifies zinc finger protein 217 (ZFP217) as a factor that regulates stem cell self-renewal and differentiation, potentially balancing medically useful qualities for therapeutic applications. The discovery builds on understanding epigenetic mechanisms controlling gene expression.

Apple iPhone 17 Pro

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

Bright idea for lowlight photography

University of Utah engineers develop a new color filter that lets in three times more light than conventional filters, resulting in cleaner and more accurate pictures taken in lowlight. The filter can be used for smartphone cameras and industrial applications.

Caught in the act: New wasp species emerging

A study from Rice University and colleagues found that evolutionary changes in a native North American fruit fly are driving the emergence of three new wasp species, which exploit new habitats created by the changing fruit fly populations.

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.

The key to drilling wells with staying power in the developing world

Researchers found that World Vision's community-led approach, which integrates local committees and fee collection, significantly increases well functionality. Nearly 80% of Wells drilled by World Vision remain operational after over two decades with proper maintenance and repair.

Dartmouth researchers shed light on protein-related diseases

Researchers found that certain proteins undergo a transition from liquid droplets to toxic, fibrous solids on their way to becoming harmful. Cells may use this liquid state for normal physiology, but under certain conditions the proteins can transition again.

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.

Follow your heart as you pursue your career

A new Tel Aviv University study suggests that following one's heart can lead to greater job satisfaction and personal fulfillment. The research found that young people with strong callings are more likely to take risks and achieve success in their chosen fields, regardless of their inherent talent.

New insight into how neurons regulate their activity

Researchers found that axon initial segment (AIS) plasticity can occur quickly, influencing neuronal firing responses. After 3 hours of elevated activity, the AIS was shortened by approximately 25%, but did not immediately lead to reduced excitability.

Who mothers mommy?

A study by Arizona State University researchers found that four factors - unconditional acceptance, feeling comforted when needed, authenticity in relationships, and friendship satisfaction - play a crucial role in keeping mothers happy, healthy, and able to give of themselves. The study, which surveyed over 2,000 well-educated, upper-...

No need to stop antidepressants before plastic surgery, evidence suggests

Research review finds no consistent evidence that antidepressants increase bleeding, breast cancer, or other adverse outcomes in patients undergoing plastic surgery. However, the underlying depression may pose a risk to postoperative problems. Plastic surgeons should consider the impact of depression on surgical complications.

Fluke 87V Industrial Digital Multimeter

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

Receptors: It takes a dimer to bind

Prof. Ichiro Maruyama's rotation model suggests that receptors exist as dimers prior to ligand binding, regulating activity and flexibility upon binding. This new model challenges the traditional dimerization theory, offering a more energy-efficient explanation for receptor activation.

Pixelated plants shed light on cell size control

Research at the John Innes Centre reveals that plant stem cells actively regulate their size to develop organs properly. The study shows that maintaining uniform cell sizes is crucial for organ formation, similar to pixel sizes in digital images.

A new primate species at the root of the tree of extant hominoids

Researchers describe a new genus and species, Pliobates cataloniae, with characteristics similar to extant hominoids, overturning previous theories on gibbon origins. The fossil find provides clues about the origin of extant gibbons and their evolutionary relationships.

Possible new explanation for ALS

Researchers discovered a new way in which ALS kills nerve cells by disrupting protein synthesis, highlighting the importance of RNA-binding proteins in disease progression. The study provides a potential key to treating both ALS and dementia.

Study: Volkswagen's emissions cheat to cause 60 premature deaths in US

A new MIT-led study reveals that Volkswagen's use of software to evade emissions standards will directly contribute to 60 premature deaths across the US. The automaker's excess emissions will also cause 31 cases of chronic bronchitis and 34 hospital admissions, generating $450 million in health expenses.

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 to make Web advertising more effective

Researchers found dynamic ads are more attention-grabbing than static ads, but it's not just about attention. Ads with kinetic property influence consumer perceptions of product innovation in products with small improvements, like tablets and smartphones. This effect is strongest in fast-changing industries.

'Tummy tuck' complications -- Study looks at rates and risk factors

A study published in Plastic and Reconstructive Surgery found that abdominoplasty carries a higher complication rate than other cosmetic surgery procedures. Major complications occurred in four percent of patients, with hematomas, infections, blood clots, and lung-related problems being the most common issues.

Researchers advance understanding of mountain watersheds

Scientists estimate volume of open pore space in subsurface using geophysical surveys and computer models, revealing new theoretical framework for understanding watershed porosity. The study predicts distribution of pore space based on stress in the earth's crust, with implications for streamflow, aquifer systems, and landscape evolution.

Meta Quest 3 512GB

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

The secret of resistance: Shattering into a thousand pieces

A team of researchers from SISSA investigated the mechanism behind biological tissues' resistance to external strain, discovering that cracks appear in multiple places rather than one. This study aims to create artificial materials with similar features for biomedical applications.

New class of DNA repair enzyme discovered

Scientists have identified a new class of DNA repair enzyme that can recognize and remove positively charged lesions, including bulky ones. This discovery expands the understanding of DNA damage repair pathways and offers insights into alternative mechanisms for repairing genetic information.

Satellites shed light on Greenland Ice Sheet response to warming

Researchers found that despite increased ice melt, some areas of the ice sheet have slowed down, reducing sea level forecasts. The discovery was made using satellite data and shows that meltwater can slow glacier movement by producing channels at the base of the ice sheet.

Allergy is the price we pay for our immunity to parasites

A recent study published in PLOS Computational Biology identifies molecular similarities between environmental allergens and parasitic worm proteins, suggesting that allergy is a flawed immune response. The research provides tools for predicting protein molecules that may cause allergic reactions and could lead to new treatments.

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.

Long-term aerobic exercise prevents age-related brain changes

A study found that long-term aerobic exercise can prevent structural deterioration associated with old age in mice, improving blood-brain barrier function and reducing inflammation. Exercise was particularly beneficial for animals lacking the Apoe gene, a major genetic risk factor for Alzheimer's disease.

The cell membrane winds up like a watch

Cell membranes deform when viruses detach and during cell division, thanks to the ESCRT-III protein complex forming a molecular spring. Researchers used high-speed atomic force microscopy to observe the complex's movements in real-time, validating their theoretical models.

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.

'Ensemble' modeling could lead to better flu forecasts

A research team developed predictive models of flu-like activity combining data from Google, Twitter, EHRs, and crowd-sourced flu data. Ensemble modeling outperforms individual data sources and rivals CDC's retrospective reporting accuracy.

People with MS may be more physically fit than tests indicate, study finds

A study by University of Illinois researchers found participants with MS had significantly higher peak aerobic capacity and muscle strength when using computerized dynamometers and recumbent steppers. This challenges conventional methods that may underestimate participants' capabilities, highlighting the need for more effective exercis...

Extinct ape species resets the scale on humans' ancestors

A newly discovered extinct ape species, Pliobates cataloniae, roamed Earth 11.6 million years ago, providing a missing chapter to the beginning of ape and human history. The fossil discovery forces researchers to reconsider the role of small apes in hominoid evolution.

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.

Breast cancer becoming as common among African-American women as among white women

Breast cancer incidence rates have increased among African American women, converging with those of white women. The rise is attributed to ER positive breast cancers and may reflect rising obesity rates. Black women are more likely to be diagnosed at later stages and have poorer survival rates due to lack of access to timely treatment.

Oldest DNA sequences may reveal secrets of ancient animal ancestors

Researchers have discovered highly conserved DNA sequences in non-coding regions of insect genomes, which are remarkably preserved for at least 180 million years. These findings provide new insights into the evolution of ancient animal ancestors and their influence on modern species.

Researchers compare 'natural' mosquito repellents to DEET

Researchers tested 10 commercially available products for mosquito repellency, finding that DEET-based products were the most effective, while some natural alternatives showed promise, including lemon eucalyptus oil and Victoria's Secret perfume.

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.

Microbiomes could hold keys to improving life as we know it

A consortium of scientists proposes a Unified Microbiome Initiative to drive cutting-edge microbiome research. Genetic engineering holds the key to harnessing microbes for diverse applications, including fighting antibiotic resistance, reclaiming farmland, and producing sustainable energy.

SHSU collaborates with fire marshals on forensic death investigations

The program provided a rare chance for participants to experience burn scenarios with controlled variables, yielding professional research-level training results. The five-day course covered fire science, death investigations, and forensic science, culminating in controlled experiments using cadavers.

Can we unconsciously 'hear' distance?

Researchers at the University of Rochester found that humans can detect and process sound delays as short as 40 milliseconds to fine-tune visual distance estimates. Participants consistently perceived shapes paired with delayed clicks as more distant, even when they were not, suggesting an unconscious link between sound delays and visu...

Meet the first Iberian lynx on the Iberian Peninsula

The discovery of an ancient Iberian lynx specimen provides new insights into the evolution and origins of this endangered feline species. The fossil remains, dated to 1.6-1.7 million years ago, reveal a larger and heavier body than the modern species.

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.

Nordic seas cooled 500,000 years before global oceans

The Nordic Seas started cooling towards modern temperatures in the early Pliocene, 5.3 to 2.6 million years ago. This occurred half a million years before the global oceans cooled, according to a new study published in Nature Communications.