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Science News Archive July 2015


Page 7 of 34

Drivers of temporal changes in temperate forest plant diversity

A new study analyzing European temperate forests reveals that biodiversity in the herb layer has not changed overall, but varies significantly across regions. Climate change and local factors like nitrogen availability and game populations play a more significant role than expected.

Reshaping the solar spectrum to turn light to electricity

A team of chemists at UC Riverside has found a way to use the infrared region of the sun's spectrum to generate more power in solar cells. By combining inorganic semiconductor nanocrystals with organic molecules, they have created a hybrid material that can 'upconvert' photons, effectively reshaping the solar spectrum to boost efficien...

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.

Gene therapy may improve survival of patients with recurrent ovarian cancer

A modified version of a protein that suppresses female reproductive organ development has been shown to inhibit the growth of chemotherapy-resistant ovarian tumors in animal models. Researchers at Massachusetts General Hospital have developed a gene therapy approach using a viral vector to deliver this protein, which resulted in signif...

Placebo delivery method affects patient response

A systematic evidence review published in Annals of Internal Medicine finds that the way a placebo is delivered affects how patients respond to therapy. The study suggests that some placebos have stronger effects than others, potentially impacting the effectiveness of medical treatments.

Weight loss for a healthy liver

Two studies published in Gastroenterology found that weight loss through lifestyle modification or bariatric surgery significantly reduces NASH features. Lifestyle modifications resulted in a 10% weight reduction needed to reverse scarring, while bariatric surgery eliminated NASH in 85% of patients after one year.

Smaller, faster, cheaper

A new type of electro-optic modulator is smaller, faster, and cheaper than traditional models, using plasmon-polaritons to enhance its performance. The device consumes much less energy than current commercial devices, making it a crucial step towards reducing the environmental impact of data transmission.

Apple iPhone 17 Pro

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

Neural efficiency hypothesis confirmed

Researchers confirm the neural efficiency hypothesis, which suggests that intelligent brains require less cortical activation to solve tasks. The study found that highly intelligent individuals required fewer resources to complete moderately difficult tasks, but not very easy or very difficult ones.

In CRISPR advance, scientists successfully edit human T cells

Researchers have made significant progress in editing human T cells using CRISPR/Cas9, opening doors to potential therapies for autoimmune diseases, AIDS, and cancer. By disabling key proteins such as CXCR4 and PD-1, scientists hope to develop new treatments for various health problems.

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.

Twin volcanic chains above a single hotspot with distinct roots

Researchers from GEOMAR Helmholtz Centre for Ocean Research Kiel found that the Tristan-Gough hotspot changed composition about 70 million years ago, forming parallel but geochemically distinct volcanoes. The team suggests a huge lens of material in the lower mantle, called LLSVP, as a possible explanation.

Researchers predict material with record-setting melting point

Using powerful computer simulations, researchers identified a material made of hafnium, nitrogen, and carbon with a melting point of over 4,400 kelvins, two-thirds the temperature at the surface of the sun. The next step is to synthesize the material and corroborate the findings in the lab.

Simple procedure using a nasal balloon can help treat hearing loss in children

A simple nasal balloon procedure has been shown to be effective in reducing the impact of hearing loss in children with otitis media with effusion. The procedure involves autoinflation three times a day for 1 to 3 months, and has been found to improve middle-ear pressure and reduce symptoms in children aged 4 to 11 years.

Meta Quest 3 512GB

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

Malaria's key to the liver uncovered

Scientists have uncovered a port of entry for malaria parasites in the liver, highlighting a potential new drug target. The discovery could help prevent the spread of disease and reduce malaria-related deaths worldwide.

Sochi Winter Olympics 'cost billions more than estimated'

The Sochi Winter Olympics have left a legacy of oversized infrastructure and inflated prices, paid for almost exclusively by the public. The total cost of the Games is $55bn, with sports-related costs alone amounting to $16bn, more than twice the official figure.

Professor Federico Rosei elected ASM International Fellow

Professor Federico Rosei, a renowned researcher at INRS Centre Énergie Matériaux Télécommunications, has been elected ASM International Fellow. He is recognized for his exceptional work on synthesizing and characterizing multifunctional materials.

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.

Compulsory schooling laws could bolster free community college argument

A University of Kansas researcher found that compulsory schooling laws increased school attendance rates and shifted occupational distribution toward skilled and non-manual occupations. This shift created more skilled jobs and raised the occupational distribution, benefiting not only lower-class children but also the broader workforce.

UW study shows how a kernel got naked and corn became king

Researchers identified the crucial mutation that stripped away teosinte's hard casing, exposing the edible kernel. This genetic change allowed for the domestication of maize, leading to its widespread cultivation and impact on human societies.

Some vaccines support evolution of more-virulent viruses

A new study published in PLOS Biology found that imperfect vaccines can promote the evolution of nastier viral strains, increasing the risk of severe illness among unvaccinated individuals. The research highlights the importance of perfect vaccines in preventing not only disease but also transmission.

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.

Yevgenia Kozorovitskiy named Rita Allen Foundation Scholar

Yevgenia Kozorovitskiy, a Northwestern University scientist, has been named a Rita Allen Foundation Scholar to research how fast-acting antidepressants impact the brain's neural circuitry. Her goal is to improve treatment effectiveness for major depressive disorders.

Twin discoveries, 'eerie' effect may lead to manufacturing advances

Scientists at Purdue University have made a groundbreaking discovery by finding that metal can be deformed into folds while being cut, contrary to long-held assumptions. The team found that suppressing this folding behavior can reduce cutting force by up to 50%, leading to faster and more efficient machining with improved surface quality.

Sausage or broccoli on your pizza?

The study found that people are harder to convince to choose healthy options than to reject unhealthy ones, especially when it comes to customizable foods like pizza. Retailers can use this insight to design menus that encourage healthier choices while still catering to customers' desires for tasty options.

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 mimic molecule may help treat diabetes and obesity

Scientists at the University of Southampton have developed a molecule that acts as an exercise mimic, reducing fasting blood glucose levels and promoting weight loss in obese mice. The new compound 14 inhibits a cellular enzyme involved in metabolism, leading to improved glucose tolerance and reduced body weight.

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.

UTHealth experts provide insight on causes of child obesity, tactics to end it

According to UTHealth researchers, children who spend more time with friends tend to engage in physical activity, lowering their obesity rates. Weak school nutrition policies can also be counterproductive if they lead to increased consumption of alternate sugary drinks. Additionally, obesity has immediate consequences for school perfor...

Predictors of climate change awareness and risk perception vary around the globe

Researchers analyzed data from 119 countries, finding that education is the strongest predictor of climate change awareness globally. In contrast, understanding human causes of climate change is a stronger predictor of risk perception in Latin America and Europe, while local temperature changes are more important in Africa and Asia.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Flow means 'go' for proper lymph system development

Researchers found that the early flow of lymph fluid triggers maturation in developing lymphatic vessels. In mice without lymph flow, valves failed to form and remodeling phase was disrupted, leading to improper development of smooth muscle cells.

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.

Some adverse drug events not reported by manufacturers to FDA by 15-day mark

Healthcare professionals and consumers can voluntarily report adverse drug events directly to the FDA or the manufacturer, but about 10% of serious and unexpected adverse events are not reported under federal regulations. The study analyzed over 1.6 million reports and found that patient death was associated with delayed reporting.

Journalism fellowships will increase media spotlight on aging issues

The Journalists in Aging Fellows Program aims to bring scientific findings on aging to diverse communities through in-depth stories and workshops. Supported by The Silver Century Foundation, the program has been instrumental in producing over 300 news stories since its inception.

Narrowing in on pituitary tumors

Researchers at Brigham and Women's Hospital have developed a new technique to analyze specific hormones in tissue, allowing surgeons to distinguish tumor from normal gland. The technique, called MALDI MSI, can determine hormone composition in under 30 minutes, potentially improving surgical precision.

Improved survival of HIV patients facilitates heart disease research

The improved survival rate of HIV patients in sub-Saharan Africa facilitates the study of cardiovascular disease in these patients. Studies have shown that highly active antiretroviral treatment is associated with a 50% reduction in HIV-related cardiomyopathy, and researchers now have access to a population with both HIV and cardiovasc...

New treatment options for a fatal leukemia

Scientists have decoded the genome and transcriptome of an incurable subtype of acute lymphoblastic leukemia, revealing a novel program associated with leukemic cells. The study identifies key genes that trigger a reprogramming of the leukemia cells, leading to promising drug tests, including Venetoclax.

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.

Superfast fluorescence sets new speed record

Researchers at Duke University have developed a superfast fluorescence device that can emit light over 90 billion gigahertz, breaking the current speed record. This breakthrough technology has the potential to revolutionize optical computing and communication.

Admission rates increasing for newborns of all weights in NICUs

A recent study found that US NICU admission rates have increased for newborns of all birth weights, including normal-weight and term infants. The researchers looked at data from nearly 18 million live births between 2007 and 2012 and found a significant increase in NICU admissions.

Lingering lymphocytes lash out against Leishmania

Researchers discovered that memory CD4+ T cells linger in the skin for up to a year after resolving Leishmania infection. These skin-resident memory cells help reduce parasite numbers during secondary infections by recruiting blood-borne memory cells, suggesting a new approach to developing anti-Leishmania vaccines.

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.

Study will explore taste changes related to obesity, gastric bypass surgery

A four-year study aims to understand the neurological mechanisms behind reduced taste for sweet and fatty foods following Roux-en-Y gastric bypass surgery and diet-induced obesity. The research seeks to identify new treatments for effective weight loss and shed light on why RYGB is an effective surgical treatment for obesity.

Scientists' silk structure is secret to process of regenerating salivary cells

Scientists have developed a novel process to regenerate salivary cells using silk fibers as a framework, which could help millions in the US with dry mouth due to Sjögren's syndrome. The process has been shown to retain salivary gland cell properties and is a significant step towards developing new cell-based therapeutics.

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.