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Science News Archive 2017 - Page 400


Page 400 of 461

Innovative treatment for depression in older people is effective

Researchers at the University of York developed a Collaborative Care intervention to help older people with lower-severity depression. The study found that this simple and low-cost approach reduced symptoms of depression, anxiety, and improved quality of life in those who received it.

SourceUniversity of York·JournalJAMA·DateFeb 22, 2017

In rare disorder, novel agent stops swelling before it starts

A novel agent has significantly reduced episodes of swelling in patients with a rare genetic disorder. The drug, lanadelumab, works by suppressing the production of bradykinin, which causes swelling, and has been shown to be well-tolerated in a phase 1b clinical trial.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNew England Journal of Medicine·DateFeb 22, 2017

BIDMC scientists survey the state of sleep science

Researchers have discovered neural circuits regulating sleep/wake cycles, providing new targets for therapies. The brain's complexity remains a major medical mystery, with ongoing research aiming to develop drugs that mimic orexin to wake people up and address metabolic disease and mood disorders.

SourceBeth Israel Deaconess Medical Center·JournalNeuron·DateFeb 22, 2017

Critters, plants and waste offer a more sustainable supply of catalysts

Researchers are discovering new, eco-friendly catalysts in unexpected places, such as earthworm powder and plants that absorb high levels of metals from soil and water. This shift could reduce traditional animal and plant sources, decrease mining waste, and create more sustainable production methods for medicines, fuels, and electronics.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateFeb 22, 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.

Scientists create a nano-trampoline to probe quantum behavior

Researchers developed an experiment to detect quantum events in ultra-thin films, enhancing understanding of basic phenomena in nano-sized systems. The study uses a novel 'nano-trampoline' setup to measure specific heat and demonstrate the existence of quantum criticality.

SourceBar-Ilan University·JournalNature Communications·DateFeb 22, 2017

Researchers aim to disrupt egg production in dengue- and Zika-spreading mosquito

A team of scientists at UC Riverside has identified five major microRNA expression peaks in the Aedes aegypti fat body following a blood meal. By disrupting these miRNAs, researchers hope to control mosquito reproduction and prevent the spread of diseases transmitted by these mosquitoes. The study provides insight into the regulatory g...

SourceUniversity of California - Riverside·JournalProceedings of the National Academy of Sciences·DateFeb 22, 2017

Study finds prolonged sleep may predict dementia risk

A study found that people who sleep for over nine hours each night have smaller brain volumes and double the risk of developing dementia in ten years. Early detection of cognitive impairment and dementia can lead to better healthcare decisions and improved quality of life.

SourceBoston University School of Medicine·JournalNeurology·DateFeb 22, 2017

Inflammatory disease trigger revealed

Researchers have identified interleukin-1 beta (IL-1) as the trigger for inflammation during necroptosis, a recently described form of cell death. This discovery could lead to new treatments for inflammatory diseases such as psoriasis and inflammatory bowel disease by targeting IL-1.

SourceWalter Reed Army Institute of Research·JournalProceedings of the National Academy of Sciences·DateFeb 22, 2017

Antimicrobial substances identified in Komodo dragon blood

Scientists have detected antimicrobial protein fragments in Komodo dragon blood that help resist deadly infections. Eight peptides from the plasma showed significant potency against bacteria Pseudomonas aeruginosa and Staphylococcus aureus, offering a potential lead for new therapeutics.

SourceAmerican Chemical Society·JournalJournal of Proteome Research·DateFeb 22, 2017
Apple iPhone 17 Pro

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

Wintering ducks connect isolated wetlands by dispersing plant seeds

A study by Utrecht University reveals that wintering mallards play a crucial role in dispersing plant seeds between isolated wetlands. The daily movement patterns of these birds are highly predictable from the landscape they inhabit, and their foraging behavior helps maintain connections between otherwise disconnected plant populations.

SourceUtrecht University·JournalJournal of Ecology·DateFeb 22, 2017

Obesity reprograms muscle stem cells

A new study reveals that obesity reprograms muscle stem cells through DNA methylation changes, impairing insulin sensitivity and metabolism in fully developed muscle cells. The research, conducted by doctoral student Cajsa Davegårdh at Lund University, found that pro-inflammatory genes like IL-32 play a crucial role in this process.

SourceLund University·JournalBMC Medicine·DateFeb 22, 2017

Exercise can significantly improve brain function after stroke

Researchers found that structured physical activity training can improve cognitive deficits in stroke survivors, regardless of rehabilitation program length. Combining aerobic and strength training programs yields the largest cognitive gains, with benefits observed even in patients with chronic stroke.

SourceAmerican Heart Association·DateFeb 22, 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.

Widely accepted vision for agriculture may be inaccurate, misleading

New research suggests agriculture's food demand will likely increase by 25-70%, challenging the widely accepted doubling of global crop and animal production. To meet growing food demands while protecting the environment, researchers propose quantitative targets for both food production and environmental impacts.

SourcePenn State·JournalBioScience·DateFeb 22, 2017

Blood ties fuel cooperation among species, not survival instinct

A new study from the University of Oxford found that cooperative breeding is driven by genetic bonds in family groups, rather than a survival strategy. Species with close familial ties are more likely to form cooperative groups and thrive in harsh environments.

SourceUniversity of Oxford·JournalNature Ecology & Evolution·DateFeb 22, 2017

A problem shared can be a problem doubled

A study found that customers perceive individual service failures differently than group failures, with the latter causing greater annoyance. Service companies can mitigate this effect by taking measures such as dividing groups of customers in critical situations.

SourceFriedrich-Schiller-Universitaet Jena·JournalJournal of Service Research·DateFeb 22, 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.

From rocks in Colorado, evidence of a 'chaotic solar system'

Researchers found a 87 million-year-old signature of resonance transition between Mars and Earth in Colorado rocks, confirming the 'chaotic solar system' theory. This discovery provides a new understanding of the mechanics of the solar system and its impact on climate change over geologic time scales.

SourceUniversity of Wisconsin-Madison·JournalNature·DateFeb 22, 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.

Proteins in your runny nose could reveal a viral infection

Duke researchers have identified a group of proteins detected in specific quantities in the mucous, which are 86 percent accurate in confirming the infection is from a cold or flu virus. The discovery aims to develop a quick, noninvasive test to determine the cause of upper respiratory illness and appropriate treatment.

SourceDuke University Medical Center·JournalEBioMedicine·DateFeb 22, 2017

Nanotechnology and nanopore sequencing

Nanopore sequencing is a modern and promising technique that benefits from the potential advantages of label-free sequencing and long reads. This method analyzes DNA directly taken from cells, enhancing sequencing accuracy. Recent advances in solid-state nanopore sequencing are investigated in a review published in Recent Patents on Na...

SourceBentham Science Publishers·JournalRecent Patents on Nanotechnology·DateFeb 22, 2017

Microhotplates for a smart gas sensor

Researchers at Toyohashi University of Technology developed a microhotplate using SU-8 polymer material, achieving good thermal isolation and mechanical stability. The device displayed high temperature resistance up to 550 °C and low power consumption, making it suitable for miniature smart gas sensor chips.

SourceToyohashi University of Technology (TUT)·JournalJournal of Micromechanics and Microengineering·DateFeb 22, 2017

How migratory birds respond to balmier autumns?

A study on songbird migrants reveals that temperature plays a crucial role in their migratory decisions, as milder autumns trigger restlessness and delay migration. The results have significant implications for the future of bird migration, highlighting the potential impact of changing environmental conditions.

SourceDe Gruyter·JournalAnimal Migration·DateFeb 22, 2017
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.

Don't let work eat into your personal life, Academy urges researchers

The UK Academy of Medical Sciences launches a campaign to promote work-life balance in medical research, highlighting the importance of outside interests on creativity and resilience. The #MedSciLife initiative features personal stories and advice from prominent researchers on balancing work and life.

SourceAcademy of Medical Sciences (UK)·DateFeb 22, 2017

The never-ending story: Chemicals that outlive -- and harm -- us

Exposure to highly fluorinated chemicals has been linked to kidney and testicular cancer, elevated cholesterol, and decreased fertility. The chemicals do not break down and can remain in the environment for thousands of years, contaminating water, air, and food.

SourceGreen Science Policy Institute·JournalEnvironmental Science & Technology·DateFeb 22, 2017

Lemelson-MIT program announces 42 InvenTeam grantees

The Lemelson-MIT Program announced the award of 42 Junior Varsity (JV) InvenTeam grants to promote STEM education among middle and high school students. The initiative provides invention-based activity guides, professional development, and hands-on materials to enhance science, technology, engineering, and mathematics learning.

SourceLemelson-MIT Program·DateFeb 22, 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.

Exposing the realities of eviction

Research by Matthew Desmond and his team reveals that eviction can lead to job loss, destabilizing economically vulnerable individuals. The study sheds light on the causes and consequences of eviction, providing valuable insights into this complex social issue.

SourceU.S. National Science Foundation·DateFeb 22, 2017

Most off-label antidepressant prescriptions lack strong scientific evidence

A recent study published in The BMJ found that nearly all off-label antidepressant prescriptions (around 29%) were not supported by strong scientific evidence. Only 16% of these prescriptions had direct evidence backing the drug's use for the indication, while 40% relied on another drug in the same class with strong evidence.

SourceBMJ Group·JournalThe BMJ·DateFeb 21, 2017

Drug treatment could combat hearing loss

Researchers have discovered a drug combination that can regenerate hair cells in the inner ear, offering a potential new way to treat hearing loss. The treatment involves expanding progenitor cells and stimulating them to become mature hair cells.

SourceMassachusetts Institute of Technology·JournalCell Reports·DateFeb 21, 2017
Meta Quest 3 512GB

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

Radiocarbon dating and DNA show ancient Puebloan leadership in the maternal line

A team of archaeologists and biological anthropologists have discovered that a matrilineal dynasty likely ruled Pueblo Bonito in New Mexico for over 300 years. The study, published in Nature Communications, used radiocarbon dating and ancient DNA analysis to show that the leadership was inherited through the maternal line.

SourcePenn State·JournalNature Communications·DateFeb 21, 2017

Listeria may be serious miscarriage threat early in pregnancy

Researchers found that listeria causes inflammation and collateral damage to the placenta, allowing bacteria to invade the fetus. The study suggests that listeria may be a culprit in some miscarriages without diagnosed cause. Effective antibiotics are available to treat the infection.

SourceUniversity of Wisconsin-Madison·JournalmBio·DateFeb 21, 2017
Celestron NexStar 8SE Computerized Telescope

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

A low-cost mechanical device for minimally invasive surgery

Researchers have developed a new handheld instrument for minimally invasive surgery, providing the same benefits as robot-assisted surgery at a lower cost. The technology could increase access to advanced laparoscopic instruments in rural hospitals and medical centers.

SourceU.S. National Science Foundation·DateFeb 21, 2017

Benefits of testosterone therapy in older men are mixed

A new study published in JAMA and J AMA Internal Medicine found that testosterone therapy improved bone density and strength, as well as reduced anemia in older men with low testosterone levels. However, the therapy had no impact on cognitive function and may worsen plaque in coronary arteries.

SourceYale University·JournalJAMA·DateFeb 21, 2017

Gut bacteria associated with cancer immunotherapy response in melanoma

A study found that patients with metastatic melanoma who responded to PD1 checkpoint inhibitor therapy had a greater diversity of gut bacteria and larger volumes of specific bacteria than non-responders. The researchers also discovered increased immune infiltrates in responders' tumors, correlated to the abundance of a specific bacterium.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateFeb 21, 2017

Study finds testosterone replacement therapy reduces cardiovascular risk

Men treated with testosterone replacement therapy had a 33% lower risk of heart attacks and strokes compared to those who didn't receive hormone therapy. Androgen deficiency is characterized by low testosterone levels, which can cause symptoms like erectile dysfunction and hot flashes.

SourceKaiser Permanente·JournalJAMA Internal Medicine·DateFeb 21, 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.

NIH begins study of vaccine to protect against mosquito-borne diseases

The NIH is conducting a Phase 1 clinical trial to test an investigational vaccine called AGS-v, designed to trigger an immune response to mosquito saliva. The goal is to provide broad protection against mosquito-transmitted diseases such as Zika, malaria, and dengue fever.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateFeb 21, 2017

New approach to measure fluid drag on the body during swimming

A team at the University of Tsukuba has created a novel approach to measure fluid drag on the body during front-crawl swimming, which overcomes previous limitations. The new method, utilizing load cells and underwater motion analysis, allows for accurate determination of active drag and comparison to passive drag states.

SourceUniversity of Tsukuba·JournalJournal of Biomechanics·DateFeb 21, 2017

New insights into the information processing of motor neurons

Scientists at Max Planck Florida Institute for Neuroscience have discovered a novel molecular mechanism behind short-term neuronal plasticity, which may impact motor control. The study found that analog-to-digital facilitation occurs more readily in juvenile brains and depends on Kv3 channel inactivation.

SourceMax Planck Florida Institute for Neuroscience·JournalCell Reports·DateFeb 21, 2017
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.

Testosterone treatments may increase cardiac risks

A new study published in JAMA suggests that testosterone treatments may increase the risk of heart disease in older men. The study found a significant increase in arterial plaque among men aged 65 and older who received testosterone replacement therapy for a year, with a 20% rise in total coronary and noncalcified plaque volumes.

SourceLA BioMed·JournalJAMA·DateFeb 21, 2017

Stanford-developed nanostraws sample a cell's contents without damage

Researchers developed nanostraws that can sample a single cell at a time without damaging it, allowing for long-term non-destructive monitoring of cellular processes. This technique could inform cancer treatments and help develop patient-specific organs by understanding how stem cells evolve.

SourceStanford University·JournalProceedings of the National Academy of Sciences·DateFeb 21, 2017

Discovery could help doctors to spot cardiovascular disease at an earlier stage

Researchers have discovered a new group of apolipoproteins, including apoE, apoC2, and apoC3, that are associated with a stronger link to cardiovascular disease. These findings could lead to improved screening methods and personalized treatments for patients at risk of cardiovascular disease.

SourceNIHR Biomedical Research Centre at Guy’s and St Thomas’ and King’s College London·JournalJournal of the American College of Cardiology·DateFeb 21, 2017

Experimental malaria vaccine offers durable protection against many strains in NIH trial

A Phase 1 clinical trial found that the PfSPZ Vaccine protected 64% of healthy adults from a different malaria strain, while also inducing durable T cell responses. The vaccine showed cross-protection against multiple strains, providing hope for an effective malaria vaccine.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateFeb 21, 2017
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.

Winners, losers among fish when landscape undergoes change

A recent study published in Global Change Biology found that diverse fish populations play a crucial role in maintaining ecosystem balance. Larger fish like suckers and catfish store nutrients, contributing to stream biological productivity. Non-native fish also serve as buffers for ecosystems against environmental change.

SourceUniversity of Washington·JournalGlobal Change Biology·DateFeb 21, 2017

Sophisticated optical secrets revealed in glossy buttercup flowers

Scientists discovered that buttercup petals contain a one-cell thick epidermis with a yellow pigment, which acts as an optical film reflecting light. The starch layer also scatters light, enriching the flower's bright yellow color. This complex anatomy produces a glossy sheen and advantages pollination and seed maturation.

SourceUniversity of Groningen·JournalJournal of The Royal Society Interface·DateFeb 21, 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.

Likelihood of dieting success lies within your tweets

Successful dieters tend to express positive sentiments on Twitter with language related to health and fitness. Their larger social networks and engagement also contribute to stronger support systems, positively impacting dieting compliance. In contrast, unsuccessful dieters often exhibit a negative tone and lack emotional control.

SourceGeorgia Institute of Technology·DateFeb 21, 2017

Improvements in ACL surgery may help prevent knee osteoarthritis

A new review suggests that improved ACL reconstruction techniques can restore normal knee motion and slow degenerative changes associated with osteoarthritis. The placement of a graft on the femur is crucial for preventing cartilage thinning, a key factor in maintaining joint health and function.

SourceWiley·JournalJournal of Orthopaedic Research®·DateFeb 21, 2017

Tune your radio: Galaxies sing when forming stars

A team from the Instituto de Astrofísica de Canarias has found a new method to measure star formation rates in galaxies using radio emission. The study reveals that radio waves are an ideal tracer for estimating star formation rates, unaffected by interstellar dust and not requiring combination with other tracers.

SourceInstituto de Astrofísica de Canarias (IAC)·JournalThe Astrophysical Journal·DateFeb 21, 2017
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.