Bluesky Facebook Reddit Email

Science News Archive March 2015


Page 2 of 38

'Amazing' physics demos to keep practical science alive

The article features five physics demonstrations that showcase the importance of experimentation in the science classroom. The experiments, described by Neil Downie, a Royal Academy of Engineering visiting professor, allow students to get creative while learning fundamental physics principles.

Isotope study shows which urban ants love junk food

An isotope study by North Carolina State University has found that some urban ant species have a taste for human food. The research analyzed over 100 ant samples to determine their diet composition, revealing that pavement ants on sidewalks and medians have high levels of carbon-13, indicating a diet rich in human food.

Skin tough

Researchers at Berkeley Lab's Advanced Light Source observed the micro-scale mechanisms behind skin's remarkable tear resistance. The study identified four synergistic mechanisms in collagen that act to diminish stress concentrations associated with tears.

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.

Discovery of 2 new species of primitive fishes

Two new species of Saurichthys, a predatory ray-finned fish, have been discovered in Monte San Giorgio, Switzerland. These ancient fishes exhibit distinct skull and body shapes, suggesting different hunting styles and habitats, contributing to their evolutionary success.

Study -- Governments can prevent tragic death toll of mothers and babies

A systematic review found that postnatal care services are under-utilized in low- and middle-income countries due to lack of accessibility, affordability, and education. Governments can prevent 289,000 maternal deaths and 2.9 million newborn deaths by increasing access to postnatal care services.

Celestron NexStar 8SE Computerized Telescope

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

Simplifying SNP discovery in the cotton genome

Researchers developed a strategy to identify and genotype SNPs in complex cotton genomes using genotyping-by-sequencing. The approach employs Stacks software to enrich for orthologous DNA fragments, allowing for detection of polymorphisms between individuals.

Rodeo in liquid crystal

Researchers successfully created and controlled defect pairs in liquid crystals using optical tweezers. This achievement opens the door to controlling light flow using specific frequencies in liquid crystal photonic microdevices, with potential applications in photonics.

Why slimy cheats don't win

A team of scientists found that cheater amoebae produce fewer high-quality spores, which survive better, suggesting a more balanced system than previously thought. This discovery has implications for developing therapies using socially successful bacteria to fight diseases.

Scientists discover why flowers bloom earlier in a warming climate

Researchers found that plants aim to flower when the optimal temperature for seed set is approaching, allowing them to adapt to changing climates. This discovery suggests that many flowering plants have different flowering times due to narrow temperature sensitivity windows.

In Alzheimer's mice, memory restored with cancer drug

Researchers at Yale University have successfully restored memory and synaptic connections in Alzheimer's mice using the experimental cancer drug AZD05030. The treatment blocks damage caused by amyloid-beta plaques, a hallmark of Alzheimer's disease, and has led to the launch of human trials.

Apple iPhone 17 Pro

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

The 'intraterrestrials': New viruses discovered in ocean depths

Scientists have discovered a new virus infecting archaea beneath the ocean floor, which selectively targets one of its genes for mutation. The study also reveals that these microorganisms use a novel mechanism to accelerate genetic adaptation, targeting at least four distinct genes, and this process may be key to their survival.

NASA sees Maysak become a super typhoon

Super Typhoon Maysak has reached Category 5 hurricane status with maximum sustained winds of near 140 knots (161.1 mph). The storm is generating heavy rainfall and high thunderstorms in the Pacific Ocean.

Paracetamol is ineffective for lower back pain

A systematic review and meta-analysis found paracetamol to be ineffective in reducing pain intensity and improving disability or quality of life for patients with lower back pain. However, it provided small benefits in reducing pain and disability for osteoarthritis, while increasing the risk of liver function test abnormalities.

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.

Exercise largely absent from US medical school curriculum, study shows

A recent study from Oregon State University found that fewer than half of US physicians received formal training on exercise, with many medical schools not offering any courses on the subject. This lack of education could leave doctors unprepared to assist patients who benefit from regular physical activity.

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.

SAGE announces travel grant winners for annual UKSG Conference

The SAGE-sponsored travel grants enable 12 students and early career professionals to attend the 2015 UKSG Annual Conference, facilitating debates on scholarly communication. The grant is a key commitment of SAGE's, aiming to support innovation in academic publishing.

Methane monitoring method reveals high levels in Pennsylvania stream

Researchers at Penn State and USGS use a new stream-based monitoring system to detect high levels of methane in Sugar Run stream, consistent with what would be found in shale gas. The findings show that stream monitoring is an effective method for assessing the environmental impact of extracting natural gas using fracking.

How a deadly fungus evades the immune system

A recent study published in Nature Communications has found that a little bit of sugar on the surface of fungal cells triggers the death of immune cells that would otherwise kill the fungus. This discovery could lead to a new therapeutic strategy for treating Candida albicans, one of the most common causes of bloodstream infections.

Kids allowed to 'sip' alcohol may start drinking earlier

A new study found that children who get a taste of their parents' wine are more likely to start drinking by high school. Of the 561 students surveyed, those who'd 'sipped' alcohol by sixth grade were five times more likely to down a full drink and four times more likely to binge or get drunk.

Fluke 87V Industrial Digital Multimeter

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

Better method for forecasting hurricane season

A University of Arizona team developed a new model that improves seasonal hurricane forecast accuracy for the North Atlantic and Gulf of Mexico by 23 percent. The model incorporates wind force on the ocean and sea surface temperature over the Atlantic, reducing El Niño's impact during warm AMO phases.

Cultivating timeflow: Can consumers shape how they experience time?

A new study identifies five essential elements that determine how consumers experience time: technology, skill, plans and moods, rules and regulations, and cultural understanding. When these elements are out of alignment, time seems to rush or drag, affecting consumer experiences in various activities.

The rapid rise of human language

Human language likely developed quickly into a sophisticated system, featuring syntax and structures, according to MIT linguist Shigeru Miyagawa. Words bear traces of syntax, challenging the idea that they originated from simple primal utterances.

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.

Innovative strategies needed to address the US transplant organ shortage

The US transplant organ shortage continues to grow, with thousands on waiting lists for 5 years or more. Medical leaders propose removing financial disincentives and exploring incentives like health insurance post-donation to ensure donor safety. However, there is ongoing debate about the ethics of introducing financial payments.

The 100 million year-old piggyback

Scientists have discovered a 100-million-year-old insect fossil that shows an adult female insect caring for its young, a behavior previously unknown to exist during the Mesozoic era. This discovery pushes back the earliest direct evidence of insect brood care by more than 50 million years.

Can caffeine be used to treat or prevent Alzheimer's disease?

A review article published in Journal of Caffeine Research suggests that caffeine may be used to treat or prevent Alzheimer's disease by reducing beta amyloid plaque accumulation. The study identifies potential opportunities for using caffeine to slow the progression of Alzheimer's disease.

How are ordinary consumers transforming the fashion business?

Consumers are curating looks and creating images on outfit sharing websites, fueling popular fashion bloggers and a new logic of accessibility. This shift has changed market-level changes in institutional work, categories of actors, and underlying logics.

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.

Bullying by students with disabilities reduced by social-emotional learning

A three-year study found that students with disabilities who participated in a social-emotional learning program experienced a 20% decrease in bullying perpetration. The researchers suggest that the program helped these students better manage their impulses, reducing reactive aggression and improving overall behavior.

Scientists find clues into cognitive dysfunction in chronic fatigue syndrome

Researchers found depressed levels of cytokines, including interleukin 1, in individuals with ME/CFS compared to healthy controls, while an inflammatory molecule called eotaxin was elevated in the group. These findings may contribute to symptoms such as brain fog and offer hope for objective diagnostic tests and therapies that correct ...

Brittle bone disease: Drug research offers hope

A newly developed drug may also be effective in treating brittle bone disease, a rare genetic disorder that affects bone formation. The therapy has shown promising results in young mice with the condition, with no reduction in midshaft bone strength after treatment stopped.

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.

Astronomers discover likely precursors of galaxy clusters we see today

Researchers used ESA's Herschel and Planck space observatories to identify objects in the distant Universe that could be precursors of today's galaxy clusters. These early galaxies were found to be forming stars at an extremely high rate, with some converting gas and dust into stars at a rate 1,500 times faster than our own Milky Way.

Meta Quest 3 512GB

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

A matter of taste: When do products benefit from mixed reviews?

A mix of positive and negative reviews can be beneficial for products judged on personal taste, but detrimental when quality is the primary consideration. The authors investigated how consumers respond to diverse online reviews and found that varied ratings due to individual tastes are more acceptable in some cases.

Physicists shed light on mysterious tongue condition

Geographic tongue (GT) is characterized by evolving red patches on the tongue surface due to loss of papillae. New research reveals GT can spread in circular or spiral patterns, with spiral patterns indicating a more acute condition that lingers for a long time.

Researchers question use of paracetamol for lower back pain and osteoarthritis

Paracetamol is ineffective in reducing pain, disability, or improving quality of life for patients with low back pain or osteoarthritis. Its use may also affect the liver, increasing the risk of liver toxicity in patients. The study calls for an urgent review of guidelines that endorse paracetamol for these conditions.

The rise of the takeaway

A study by University of Cambridge researchers found a substantial increase in takeaway food outlets in Norfolk over two decades, particularly in deprived areas. The density of these outlets rose significantly, contributing to higher obesity rates and unhealthy diets among local residents.

Soil organic matter susceptible to climate change

Researchers found that root secretions can promote soil carbon loss by freeing organic compounds from protective associations with minerals. This mechanism is known as 'priming' and challenges the assumption that mineral-associated carbon is protected from microbial cycling over millennial timescales.

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.

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.

Percentage of children eating fast food on a given day drops

A study published in JAMA Pediatrics found that the percentage of children eating fast food on a given day dropped from 38.8% to 32.6% between 2003-2004 and 2009-2010, respectively. Calorie intake from burger and chicken restaurants also decreased, while Mexican and sandwich restaurants remained constant.

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.

News from Annals of Internal Medicine March 31, 2015

The US Preventive Services Task Force has updated its recommendations on iron supplementation and screening in pregnant women, finding that routine iron supplementation during pregnancy may reduce the incidence of iron deficiency and anemia. In contrast, new hepatitis C treatments show promise but may exceed insurers' willingness to pa...