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Science News Archive November 2018


Page 31 of 42

Patients with untreated hearing loss incur higher health care costs over time

A new study reveals that patients with untreated hearing loss incur significantly higher total health care costs over time, totaling $22,434 per person over a decade. The study found that older adults with untreated hearing loss generated nearly 46% more in total health care costs compared to those without hearing loss.

Embryos remember the chemicals that they encounter

Researchers discover that embryonic cells retain a memory of chemical signals they encounter during development. Exposure to WNT and Activin signaling is necessary for differentiation, and cells can remember previous exposure to these signals, even if the signal is absent at the time of treatment.

Ancient DNA evidence reveals two unknown migrations from North to South America

A study of ancient DNA from 49 individuals in Belize, Brazil, and the Central Andes reveals that most Central and South American ancestry originated from at least three different streams of people entering from North America. The research also detected two previously undocumented genetic exchanges between North and South America.

Apple iPhone 17 Pro

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

Double whammy for grieving spouses with sleep problems

A new study from Northwestern University finds that grieving spouses with sleep problems have a two-to-three times higher risk of chronic immune activation and increased inflammation, making them more susceptible to heart disease or cancer. Cognitive behavioral therapy is highly effective in treating sleep disturbances, and physicians ...

EPSRC announces £8 million capital awards to support early career researchers

The EPSRC has announced a £8 million capital investment in research equipment for 36 UK universities, supporting Early Career Researchers and enhancing their career development prospects. The institutions will use the funds to acquire specific equipment, host internal competitions, or invest in targeted groups or individuals.

Biomimetics: The chemical tricks of our blood

Researchers have created phthalocyanines with a ring structure resembling that of hemoglobin or chlorophyll, which can be switched into different states with green light, affecting their chemical behavior. This discovery opens up new avenues for biomimetics and the development of novel molecules optimized for nature-specific applications.

Factors affecting turbulence scaling

Researchers investigate turbulence scaling in fluids at critical points, finding anisotropy and compressibility impact scaling behavior. Four types of scaling regimes identified, with anisotropy key to determining emerging behavior.

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.

Ragweed may expand its range northward with climate change

A predictive model suggests common ragweed will expand its range into major northeast metro areas due to climate change, affecting millions with hay fever and asthma. The study found potential expansion at the northern margins of its current distribution, particularly in the northeast U.S.

Eye contact reduces lying

A study from the University of Tampere found that direct eye contact with someone can reduce subsequent lying. In an interactive experiment, participants played a lying game on a computer against another person, with the opponent's gaze being either direct or downward towards their screen.

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.

Using mice, Duke researchers identify how allergic shock occurs so quickly

Researchers used mouse models to track the immune cell triggering during anaphylactic shock, revealing a previously unknown mechanism in which dendritic cells mine blood vessels for allergens and rapidly deliver them to mast cells. This finding opens innovative lines of attack against deadly allergic reactions.

A major role for a small organ in the immune response during pregnancy

Researchers found that the thymus, a small organ near the heart, maintains its output of T cells during pregnancy, which is essential for protecting against infection while tolerating the fetus. The study's findings may have implications for understanding autoimmune diseases like multiple sclerosis.

A burst of 'synchronous' light

Researchers at Empa and ETH Zurich have developed a novel quantum light source by arranging perovskite quantum dots into a three-dimensional superlattice. This enables the coherent collective emission of photons, creating ultrafast and bright superfluorescence.

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.

Top 10 chemistry start-ups

These start-ups are using chemistry to fight disease, control agricultural pests, and make safer lithium-ion batteries. The selected companies have ignited investor interest with their groundbreaking ideas.

Breast milk & babies' saliva shape oral microbiome

New research reveals that breastmilk and saliva interact to regulate the oral microbiome of newborn babies, boosting innate immunity. The combination releases antibacterial compounds that inhibit the growth of both harmless and harmful microorganisms.

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.

Self-assembling protein filaments designed and built from scratch

Researchers designed proteins that snap together spontaneously to form long, helical structures, mimicking natural protein filaments. The creation of these self-assembling filaments could lead to the development of new materials, including fibers stronger than spider silk and nano-scale wire circuitry.

Revealing the inner working of magnetic materials

Researchers have developed a new method to calculate the behavior of chromium nitride, a magnetic material used in industry and thermoelectric systems. The study found that spin-lattice coupling causes an anomalous shortening of phonon lifetime, leading to poor heat conductivity.

Cell behavior, once shrouded in mystery, is revealed in new light

University of Missouri researchers have developed a new microscope that allows them to observe individual proteins in an unfrozen sample. This breakthrough enables scientists to predict how cells will behave when new components are introduced, which could lead to the creation of more effective drugs with fewer side effects.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Watch a 3D-engineered human heart tissue beat

Scientists have created a model of the upper chambers of the heart using 3D-engineered human heart tissue, which can serve as a tool for evaluating disease mechanisms and testing new drugs. The tissue is derived from human induced pluripotent stem cells and responds to atrial-selective drugs.

Culture may explain why brains have become bigger

A study published in PLOS Computational Biology suggests that human brain size increased significantly due to cultural factors and information availability. The cumulative cultural brain hypothesis proposes that brains expand to store and manage more information, co-evolving with group size, learning strategies, and life history.

Waking sleeping plants with plasmas

A team of Saudi Arabian scientists has discovered a way to control dormancy in grapes and other fruiting plants by subjecting them to high-tech plasmas. This method may help extend the cultivation of temperate zone crops to milder climates, mitigating problems caused by global warming.

Celestron NexStar 8SE Computerized Telescope

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

Brain activity pattern may be early sign of schizophrenia

Neuroscientists have identified a brain activity pattern that could predict the onset of schizophrenia. The study found abnormal connections in patients who later developed psychosis, which may help diagnose the disease earlier. Researchers are now exploring early interventions to combat symptoms and prevent psychiatric disorders.

UCI scientists simplify and accelerate directed evolution bioengineering method

Researchers have developed a new technique that accelerates and simplifies the directed evolution bioengineering method, allowing for rapid mutation and evolution of genes in yeast cells. This breakthrough enables scientists to perform multiple evolutionary cycles continuously, leading to faster discovery of new proteins and enzymes.

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.

Gatekeeper for poison capsule

A team of researchers has fully unveiled the sophisticated mechanism of bacterial toxins, including the Tc toxin complex used by the plague bacterium and other germs. The study reveals a molecular gatekeeper that controls the poison's exit, offering new insights for developing innovative therapies to combat bacterial infections.

Brain signature of depressed mood unveiled in new study

A new study has identified a common pattern of brain activity linked to feelings of low mood and anxiety, particularly in individuals with a tendency towards depression. The findings could serve as a biomarker for developing new therapies to treat mood disorders.

Success in art may depend on breaking into high-prestige networks

A new study reveals that early access to high-prestige networks is key to an artist's success, with quality determined by display venues and art history ties rather than work itself. Researchers found a dense community of European and North American institutions exchanging artworks within their own high-prestige circles.

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.

A new lens for microscopy has been developed

Physicists at Immanuel Kant Baltic Federal University developed a mini transfocator, a variable focus lens for compact and mobile optical systems. The new design offers submicron resolution and is ideal for studying biological samples under extreme conditions.

Extending the life of low-cost, compact, lightweight batteries

Researchers at MIT have developed a new system to extend the shelf life of single-use metal-air batteries by introducing an oil barrier that protects the aluminum electrode from corrosion. The design has shown a thousandfold improvement in energy loss, enabling batteries to last up to 24 days without degradation.

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.

Otago study calls for sugar tax

A New Zealand study suggests that sugary drinks contribute to an obesogenic environment, leading people to make unhealthy food choices. The researchers recommend implementing a sugar tax to encourage industry reformulation and individual responsibility for healthy consumption.

Spacetime -- a creation of well-known actors?

Some physicists argue that spacetime may emerge from processes closer to reality, such as quarks and hadrons. The concept of spacetime has puzzled humanity for millennia, with some theories suggesting it's a dynamic creation while others propose it's an absolute arena for events.

One million years of precipitation history of the monsoon reconstructed

Scientists have reconstructed the monsoon's precipitation history over the past 1 million years using sediment cores from the eastern Indian Ocean. The results show that the monsoon was weaker during peak ice ages and strongest during interglacial warm periods, with fluctuations in the Earth's axis inclination playing a subordinate role.

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.

Yellowstone streams recovering thanks to wolf reintroduction

Research by Oregon State University scientists shows that large terrestrial carnivores can lead to improved stream structure and function in Yellowstone National Park. The return of wolves and cougars has resulted in increased willow height, canopy cover, and stream-bank stabilization, indicating a recovering riparian/aquatic ecosystem.

Explaining happiness

A study by researchers at the National Research University Higher School of Economics found that people tend to attribute their happiness to internal factors such as personality traits and control over their lives. However, when they are unhappy, they often blame external factors outside of their control.

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.

'Bargaining while black' may lead to lower salaries

Research published by the American Psychological Association reveals that African-American job candidates receive lower salaries when evaluators believe they have negotiated too much. Racially biased individuals often hold negative stereotypes about African-American job seekers as less qualified or motivated than white applicants.

Graphene takes a step towards renewable fuel

Researchers at Linköping University have developed a method to produce graphene with several layers in a controlled process, enabling the conversion of carbon dioxide and water into renewable fuel. The graphene also exhibits superconducting properties when arranged in a special way.

Smoking during pregnancy may lead to childhood eye condition

Maternal smoking is associated with a higher risk of strabismus in children, which can lead to visual impairment and emotional problems. A study of 11 relevant articles found that maternal smoking during pregnancy increases the risk by up to 79 percent.

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.