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Science News Archive 2015


Page 11 of 402

Wrap up: Key recommendations from AGA's 2015 guidelines

The American Gastroenterological Association has released six clinical practice guidelines for common gastrointestinal conditions. The guidelines recommend budesonide for microscopic colitis treatment and suggest selectively using antibiotics in acute diverticulitis management. AGA also advises against upper GI biopsies in immunocompro...

Apple iPhone 17 Pro

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

Divorce: On the decline in sub-Saharan Africa

A new study reveals that divorce rates in sub-Saharan Africa have decreased over the past two decades, primarily due to older unions becoming more stable. The research found that as women enter into marriages at an older age, the likelihood of marriage breakdown decreases, resulting in fewer divorces.

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.

UK and Singapore collaborating to address cyber threats

The UK and Singapore are collaborating on six joint research projects to develop new cybersecurity solutions, with a focus on enhancing system resilience. The projects aim to improve the detection of cyber threats and create more robust systems for critical infrastructure.

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.

Nearby star hosts closest alien planet in the 'habitable zone'

Astronomers at the University of New South Wales have discovered three potentially habitable planets around a nearby red dwarf star called Wolf 1061. The middle planet, Wolf 1061c, is located within the Goldilocks zone and may be able to support liquid water and life.

Chewing slowly helps prevent excessive weight gain in children

A study published in Pediatric Obesity found that waiting 30 seconds between bites of food can help children realize they're no longer hungry and prevent overeating. The slow eating approach resulted in significant weight loss among participants, with some students losing up to 5.7% of their initial weight after six months.

Brain plasticity from A to Z

The special issue of Current Opinion in Neurobiology delves into various aspects of brain plasticity, from language development at birth to cognitive flexibility associated with bilingualism. The journal features expert reviews that connect different fields of research and explore the role of artificial intelligence.

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.

Reading the smoke signals

A new study uses laser-based measurements to estimate carbon dioxide emissions from tropical peatland fires, revealing that the amount of CO2 released depends on previous fire history. The research provides valuable insights into the devastating impact of climate change on global warming.

Medical aid in dying: Is Quebec's law too restrictive?

The Quebec law allows medical aid in dying only for people at end-of-life, with a prognosis of six months or less left to the physician's judgment. Vulnerable groups, such as those with depression, may be disproportionately affected by this restrictive approach.

Meta Quest 3 512GB

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

New Scripps Florida compound successfully targets hard-to-treat breast cancer

A new study by TSRI scientists suggests a potent new therapeutic approach for hard-to-treat breast cancers, targeting the enzyme casein kinase 1´ (CK1´), which is overexpressed in many breast cancer types. The study found that a highly selective and potent CK1´ inhibitor, SR-3029, triggers rapid tumor cell death.

Aphids balance their diets by rebuilding plant amino acids

Researchers have discovered that aphids deplete all the amino acids in sugary sap they consume and then break them down to build essential amino acids from scratch. This process allows the insects to survive on an unbalanced diet, similar to other animals with gut microbes or symbionts that provide additional nutrition.

NIST adds to quantum computing toolkit with mixed-atom logic operations

Physicists at NIST have performed logic operations with two atoms of different elements, a hybrid design that could be an advantage in large computers and networks. The experiment demonstrates the feasibility of mixed-atom gates, which rely on entangling ions using custom traps and laser beams.

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.

The building blocks of the future

UCSB researchers are working on developing next-generation materials and design systems with $6 million in National Science Foundation funding. They aim to create higher-performance aircraft engines and more efficient natural gas-based power plants.

Making bicycling safer for kids with ADHD

Researchers found children with ADHD struggle to pay attention and make impulsive decisions while crossing roads on bicycles, putting them at risk of accidents. The study suggests teaching children to look for longer gaps between cars can help compensate for timing deficits.

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.

Men with moustaches outnumber women in medical leadership

A study found that women account for 13% of department leader positions, while moustachioed men account for 19%. The researchers suggest policies like family benefits and flexible scheduling to increase women in leadership without discriminating against men with facial hair.

Implant acts as a countermeasure

Researchers developed molecular prosthetics that can detect complex signals in the immune system to suppress inflammatory responses. The prosthetics were implanted into mice and successfully treated psoriasis, providing a potential early-warning system for prevention.

How brain architecture leads to abstract thought

Using 20 years of fMRI data, researchers found that cognitive function and abstract thought exist as an agglomeration of many cortical sources. They developed a geometry-based method to analyze brain activity, revealing a hierarchy of abstraction related to the connectome structure of the whole human brain.

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.

Natural or manmade quakes? New technique can tell the difference

A new study by Stanford researchers suggests that earthquakes triggered by human activity follow several indicative patterns that could help scientists distinguish them from naturally occurring temblors. The likelihood of large-magnitude manmade, or "induced," earthquakes increases over time, independent of the previous seismicity rate.

Clues on the development of magnetic sensors with pure spin current

A team from Osaka University successfully detected magnetic fluctuations using pure spin current, which can probe spin properties in a sensitive manner without net charge current. This discovery could lead to the development of more efficient and low-energy consumption electronic devices.

Will grassland soil weather a change?

Research reveals that grassland soil microbial communities exhibit seasonal responses to temperature and precipitation changes, with warming treatments having a limited impact. The study highlights the importance of long-term research to understand the effects of climate change on these critical ecosystems.

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.

Preserved embryos illustrate seed dormancy in early angiosperms

Researchers found small, well-preserved seed embryos in fossil seeds dating back to the Early Cretaceous, supporting the idea that early angiosperms were small opportunistic colonizers. The tiny embryo size suggests that seed dormancy allowed these early plants to survive harsh conditions.

Doctors: Epilepsy deaths should be public health priority

Epilepsy is responsible for more US deaths than sudden infant death syndrome (SIDS) or fires, with over 2,750 cases of sudden unexpected death due to epilepsy annually. The disorder affects individuals over 65 years old, with a significant risk of sudden death and underreporting on death certificates.

Penguin cam captures hunt for prey

A study by Deakin University researchers found that little penguins associate with each other to hunt schooling prey, despite not being more successful individually. The birds may trade off solo hunting benefits for improved prey detection and avoidance of predation.

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.

Understanding body language of mice

Harvard Medical School scientists developed a computational technique to analyze mouse movements, organizing them into distinct pose sequences with their own syllables and grammar. This breakthrough solves the problem of objectively studying complex animal behavior without human observers.

'Hunger hormone' may treat severe peripheral artery disease

Researchers from the University of Otago and Japan found that administering ghrelin daily improved blood flow in affected limbs, promoting new blood vessel growth and cell survival. This suggests a potential new treatment for critical limb ischemia, an advanced form of peripheral artery disease.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Number of severe algal blooms in Lake Erie to double, forecast says

A new study predicts that climate change will lead to a doubling of severe algal blooms in Lake Erie over the next 100 years. The study suggests that reducing nutrient inputs may not be enough to prevent these blooms, which could have devastating impacts on the region's drinking water and tourism industries.

Mathematical model suggests select DCIS patients could delay treatment

A mathematical model developed by Duke researchers suggests that active surveillance could be a viable alternative to surgery and radiation for select patients with ductal carcinoma in situ (DCIS). The study found that older women and those with serious health problems may benefit from delayed treatment, while younger women may not. Th...

Research reveals promising novel strategy to target cancer-causing protein

A team of scientists has discovered a mechanism by which tumor cells elevate levels of MDM4, a protein highly expressed in cancer cells. Targeting MDM4 abundance with antisense oligonucleotides (ASOs) impairs tumour growth and increases cell death, offering a promising clinically-compatible therapeutic target for various cancers.

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.

Land use may weaken amphibian's capacity to fight infection and disease

Researchers at Case Western Reserve University found that habitat characteristics explain differences in immune defense traits of frogs between populations. Microbiome differences and altered natural peptide secretions may alter the amphibian's immune defense capabilities. The study suggests that land use changes can influence animal t...

Vessel discovery a major step toward growing kidneys

Researchers at the University of Virginia Health System have identified the stem cells that develop into the blood vessels within the kidney, a critical step toward growing replacement kidneys. By understanding how these vessels form and function, scientists may be able to create functional organs for patients in need.

New species of 'sail-backed' dinosaur found in Spain

A new species of 'sail-backed' dinosaur, Morelladon beltrani, has been found in Spain with notable features such as tall neural spines on vertebrae. The discovery sheds light on the diverse iguanodontoid fauna of southern Europe during the late Barremian period.

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.

Why do chronically lonely teens stay lonely?

A study found that chronically lonely adolescents interpret social inclusion as coincidental and social exclusion as personal failure, leading to increased emotional distress. These self-defeating interpretations can perpetuate loneliness, making it harder for them to take advantage of opportunities for social inclusion.

Early childhood depression alters brain development

Children who suffer from clinical depression as preschoolers have abnormally developed gray matter, affecting emotion regulation and brain maturation. The study found a steeper drop-off in gray matter volume and thickness with increasing depression severity.

Tiny phytoplankton have big influence on climate change

Phytoplankton play a crucial role in the ocean's food web and contribute to climate change by removing carbon from the atmosphere. Research reveals complex patterns of response to changing variables like nutrients, light, and ocean stratification, with predictions that global phytoplankton production will decrease.

Fluke 87V Industrial Digital Multimeter

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

Children's ADHD symptoms and peer relationships influence each other over time

A longitudinal study in Norway found that children with ADHD exhibit poorer social functioning and are more likely to be rejected by peers. The study suggests a reciprocal relationship between ADHD symptoms and peer rejection, where both can influence each other's development. However, the effects of peer rejection on ADHD symptoms dec...

Catastrophic medieval earthquakes in the Nepal

A team of scientists has discovered that strong medieval earthquakes in Nepal triggered massive debris flows that reshaped the landscape over a distance of more than 60 kilometers. The study used 14C radiocarbon dating to determine the timing of sediment deposits and found that they coincide with documented large earthquakes in the reg...