Bluesky Facebook Reddit Email

Science News Archive 2015


Page 293 of 402

ASU team unlocks clues in unidentified human remains

Researchers at Arizona State University are working with the University of Tennessee's Anthropological Research Facility to analyze human remains using isotopic analysis. The team aims to determine a person's diet, birthplace, and travel history using oxygen, hydrogen, carbon, nitrogen, strontium, and lead isotopes.

Teachers more likely to label black students as troublemakers

New research finds that teachers' perceptions of student behavior are influenced by race, with black students being labeled as 'troublemakers' more often than white students. This can lead to harsher discipline and perpetuate racial disparities in school discipline.

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.

Millions of liters of juice from 1 grapefruit

Researchers at the Austrian Centre of Industrial Biotechnology successfully produced large quantities of Nootkatone, a natural flavoring substance used in soft drinks and cosmetics. The substance was produced from sugar using genetic engineering in yeast cells, offering an environmentally friendly alternative to chemical synthesis.

New method increases accuracy of ovarian cancer prognosis and diagnosis

Researchers at the University of Utah Health have discovered patterns in DNA anomalies that predict a woman's outcome significantly better than tumor stage, also indicating how well she'll respond to platinum therapy. The new method could lead to personalized prognostic and diagnostic laboratory tests.

What is more rewarding: A soccer goal or prize money?

A study by researchers at the University of Bonn found that brain activity in soccer players is similar when scoring a goal or winning money. Players with more egotistical personalities showed increased activity in learning and reflection regions when goals were scored after passing, not after taking the shot.

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.

New blood test can predict future breast cancer

A new blood test has been developed to predict future breast cancer by analyzing metabolic profiles of over 57,000 people. The test shows a sensitivity of 80% in predicting the likelihood of developing breast cancer within two to five years.

Botox makes unnerving journey into our nervous system

Researchers at University of Queensland found Botox toxin travels through nerves to central nervous system, where it can intoxicate neighboring cells. This discovery has implications for disease treatments and raises questions about the toxin's long-term effects.

Apple iPhone 17 Pro

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

Gene in high-altitude cattle disease sheds light on human lung disease

A genetic mutation in cattle grazing at high altitude leads to a life-threatening condition called brisket disease, characterized by high blood pressure in the lungs. The study sheds light on human lung disease, particularly non-familial pulmonary hypertension in patients with emphysema and pulmonary fibrosis.

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.

Quantization of 'surface Dirac states' could lead to exotic applications

Researchers at RIKEN have successfully demonstrated the integer quantum Hall effect in a new type of film, known as a 3D topological insulator. By quantizing surface Dirac states, they overcame limitations that had hindered previous efforts to harness these materials for low-power consumption electronics.

Seeing the unseen: PET/CT scans reveal worms' hidden life

Researchers used PET/CT scans to study the behavior of lugworms in sediment, revealing how they burrow and interact with their surroundings. This technique provides insights into the ecological models of benthic animals, highlighting the importance of understanding their activities for maintaining ocean health.

Detecting cryptosporidium in China

Researchers developed a lab-on-a-chip device that can diagnose Cryptosporidium infections in as little as 10 minutes, offering potential improvements in treatment outcomes for rural areas in China. The device is easy to use and has diagnostic capabilities comparable to current standards, with the potential to reduce costs and timeframe.

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 potential cause for Alzheimer's: Arginine deprivation

A new Duke University study in mice found that immune cells consuming an important amino acid called arginine may contribute to the development of Alzheimer's disease. Blocking this process with a small-molecule drug prevented characteristic brain plaques and memory loss in mouse models, suggesting a potential new treatment strategy.

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.

Selecting the right tool for the job

In a deadly, rapidly spreading infectious disease like Ebola, traditional randomized clinical trials may be inadequate. Alternative trial designs can provide useful information and are morally justifiable, says a new article in the American Journal of Bioethics.

Harvesting energy from electromagnetic waves

A team of researchers from the University of Waterloo has developed a novel design for electromagnetic energy harvesting based on the full absorption concept, which enables the collection of essentially all electromagnetic energy that falls onto a surface. This technology has vast applications in space solar power and wireless power tr...

The microscopic topography of ink on paper

A team of Finnish scientists has created a nano-scale map of toner ink thickness on paper, revealing that wood fibers receive relatively thin coatings and roughness dictates ink thickness rather than chemical variations.

Study shows novel pattern of electrical charge movement through DNA

Researchers at Arizona State University have identified a new mechanism of charge transport through DNA, differing from previously recognized patterns. The discovery has important implications for the design of functional DNA-based electronic devices and understanding health risks associated with oxidative damage to DNA.

Research details 40 million-year-old family tree of baleen whales

Researchers have created a comprehensive family tree of living and extinct baleen whales stretching back nearly 40 million years. The study estimates that there were over 70 species, with many lineages branching out into unique body shapes and feeding strategies before extinction occurred between 30-23 million years ago.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Queen's researchers in £5 million program to improve bowel cancer survival

Researchers at Queen's University Belfast have launched a revolutionary personalized treatment program to improve bowel cancer survival rates. The S-CORT Consortium will employ state-of-the-art techniques to define the genetic make-up of bowel cancer cells, collected from over 2,000 patients, and develop personalized care plans.

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.

Protecting nature on the fly

Scientists have developed a new method to monitor Europe's nature protection areas by analyzing reflected light signals from laser pulses. The technique allows for the identification of different types of vegetation, including weeds and vehicle tracks, and provides detailed 3D maps of the landscape.

Opioid relapse rates fall after jail release, according to pilot study

A pilot study published in Addiction journal found that extended-release naltrexone significantly reduced opioid relapse rates among mostly heroin-dependent men released from New York City jails. After one month, 88% of participants in the control group relapsed, compared to 38% in the treatment group.

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.

Bone-eating worms dined on marine reptile carcasses

Scientists discovered that a species of bone-eating worm, Osedax, originated at least 100 million years ago and subsisted on prehistoric reptile bones. The discovery suggests that Osedax may have prevented many skeletons from becoming fossilized, affecting our knowledge of extinct marine life.

Fluke 87V Industrial Digital Multimeter

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

Benefits of heroin treatment for drug users

Research suggests heroin assisted treatment can improve outcomes, reduce harm, and lower societal costs for a subgroup of patients who do not benefit from conventional treatments. This approach could provide savings that could be redirected to addiction prevention programs.

Stronger muscles make for healthier bone development

A new study published in the journal Bone found a strong link between lean muscle mass and healthy bone development in children aged six and seven. The research, led by Dr Rebecca Moon, suggests that higher muscle mass is associated with larger, denser bones and reduced risk of osteoporosis.

Syngenta wins 2015 INFORMS Edelman Prize, leading award in analytics, O.R.

Syngenta's use of advanced analytics and operations research led to improved crop production, reducing the time and cost required to develop crops with high productivity. The company's innovative tools have resulted in over $287 million in cost savings and a high probability of delivering a portfolio value exceeding $1.5 billion.

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.

Violent video games not linked to aggression in adults with autism

A study from the University of Missouri found that violent video games do not affect adults with autism spectrum disorder differently than typically developing adults. Over 100 participants, half with autism and half without, showed similar aggression levels after playing violent or nonviolent games for 15 minutes.

Neanderthals manipulated the bodies of adults and children shortly after death

Scientists have discovered that Neanderthals from the French region of Poitou-Charentes performed perimortem corporal manipulations on adults and children, including cutting, beating, and fracturing bones. The bone fragments analyzed show clear signs of these manipulations, which may be related to rituals or cannibalism.

Interactivity tools can boost persuasiveness of websites

Researchers found that interactive tools can boost persuasiveness of websites, particularly modality interactivity, which absorbs users and limits thoughts, while message interactivity increases thoughts and promotes positive attitudes towards the message.

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.

The Lancet Respiratory Medicine: Sleep apnea media alert

The Lancet Respiratory Medicine publishes two Reviews on obstructive sleep apnea, discussing its effects on brain health and cognitive performance. The articles also explore the potential for personalized treatment approaches and emerging diagnostics in managing OSA.

Six questions about HIV/AIDS that deserve more attention

Researchers have been focusing on long-term solutions, but Levy argues that new approaches are needed to prevent infection and disease. He highlights six questions that deserve more attention, including the role of innate immune response, CD8+ T cells, and strategies for an HIV vaccine and cure.

Alcohol may elevate the expression of two enzymes called CYP2E1 and CYP2U1

Researchers found that chronic drinking is associated with higher CYP2E1 and CYP2U1 protein expression in the prefrontal cortex (PFC) and amygdala (AMG), particularly in the AMG. This could lead to interactions between metabolism of drugs and endogenous substrates, altering drug response and brain physiology.

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.

New source of methane discovered in the Arctic Ocean

Scientists at UiT The Arctic University of Norway have discovered a new source of methane in the Arctic Ocean, abiotic methane formed by chemical reactions in the oceanic crust. This finding challenges previous assumptions about the origin of methane and suggests vast systems of methane hydrate throughout the Arctic.