A team of researchers at the University of Connecticut created freeform illuminators that enable flexible illumination design and calibration using a blood-coated sensor. The newly developed technology simplifies microscopy experiments by reducing size, increasing density, and adjusting angle of illumination.
A new study suggests that pregnant women who have dimmed lights and screens for three hours before sleep are less likely to develop gestational diabetes. Dim light exposure before bedtime may help regulate glucose levels, reducing the risk of this common pregnancy complication.
A new study reveals that northern and southern resident orcas differ in their hunting behaviors, with males catching more salmon per hour than females. Southern resident males outperform females by 152%, highlighting a distinct pattern of foraging that may contribute to the population decline.
Researchers from Pusan National University studied compound extreme weather events in northern East Asia and found that a lack of soil moisture led to increased evaporative stress, amplifying heatwaves and triggering compound droughts and heatwaves. Understanding these dynamics is crucial for societal safety.
Researchers have identified a new class of 'good autoantibodies' that neutralize chemokines, reducing inflammation and promoting a favorable disease course in patients with long Covid. The discovery is linked to a lower risk of prolonged symptoms and a milder illness.
A major new study in the journal Nature reveals a 'traffic light' mechanism controlling genetic activity within cells. The research describes how epigenetic changes act as a stop-go signal determining whether a gene should be read, and how this system could potentially be targeted by cancer drugs already in development.
The European Northern Bald Ibis population is well on its way to self-sustainability, thanks to a successful reintroduction project that began over 20 years ago. With good survival and reproduction rates, the population has demonstrated positive future survival probabilities, even in the face of catastrophes.
NASA's Hubble Space Telescope has captured the start of Saturn's spoke season, a mysterious phenomenon that appears across the planet's rings during its equinox. The cause of the spokes remains unknown, but scientists believe they may be linked to Saturn's variable magnetic field and charged particles in the solar wind.
A new approach, called the white phase concept, uses autonomous vehicles to control traffic flow at intersections, reducing fuel consumption and travel time. The system informs human drivers through a clearly identifiable signal, improving safety and efficiency.
Researchers have found that glaciers advanced three times over the past 1,500 years in the Northern Antarctic Peninsula, coinciding with evidence from other studies. The study uses radiocarbon dates from black mosses to constrain past glacier behavior and provides insights into climate history.
A recent study found that China's cleaner heating policies in northern cities, including Beijing and Tianjin, reduced premature deaths from air pollution by 23,000 in 2021 compared to 2015. The stricter policies led to a significant decrease in fine particulate matter (PM2.5) concentrations.
Biologists found songbirds can assess when predation risk from northern pygmy owls is highest and when there's safety in numbers. Mobbing behavior peaked in late summer and autumn when young birds are most vulnerable.
A study by Peking University reveals that late canopy development in Northern ecosystems delays seasonal peak photosynthesis. The mismatch in timing between the two has significant implications for understanding carbon sequestration in these regions.
A team of astrophysicists has successfully measured a gamma-ray burst's hidden energy by utilizing light polarization. The total explosion energy was found to be about 3.5 times bigger than previous estimates, shedding new light on the progenitor star's masses and the evolutionary history of the universe.
A new study uses drone-mounted technology to deter bats from flying into wind turbines, reducing fatalities by 40% and allowing turbines to operate efficiently. The device transmits ultrasonic signals and lights to warn bats of danger, leading them to fly over the turbine and out of harm's way.
Researchers have found that corals in the northern Red Sea have not experienced mass bleaching despite high heat stress due to their acquired temperature tolerance around 7,000 years ago. The region's reefs are expected to be among the last standing by the end of the century under projected warming scenarios.
Researchers used pollen records from four montane conifers to estimate past elevation of northern Tibet Plateau, revealing rapid uplift during the Middle to Late Miocene epochs. The study supports prevailing theoretical models of Tibet Plateau formation and highlights its impact on atmospheric water vapor transport and rainfall patterns.
Researchers at the Max Delbrück Center have successfully generated primordial germ cells from stem cells, a world's first for a large mammalian species. This milestone aims to save the northern white rhino subspecies from extinction through lab-grown egg and sperm cells.
Scientists have successfully created primordial germ cell-like cells (PGCLSs) from induced pluripotent stem cells of the northern white rhino Nabire, paving the way to produce artificial gametes. This breakthrough aims to prevent the extinction of the northern white rhinoceros and increase genetic diversity.
Researchers found that the Southern Hemisphere is stormier than the Northern, with a 24% difference attributed to ocean circulation and mountain ranges in the Northern Hemisphere. The study also shows that storminess has increased since the 1980s, consistent with climate change forecasts.
The Southern Hemisphere is stormier than the Northern due to ocean circulation and mountain ranges in the Northern Hemisphere. Since the 1980s, storminess has increased in the Southern Hemisphere, while the Northern Hemisphere has seen negligible changes.
A new study suggests that sensory deterrents can work in some circumstances and may be part of the solution to reduce bycatch. The authors found that LED lights were the only technology to date found successful in trials across all marine megafauna groups, but also led to increased bycatch in some species.
GSA Bulletin articles explore the nature of China and Tibet's dynamics, and the formation of authigenic carbonates in the northern Okinawa Trough. The study also examines the quantification of megaclasts within mass-transport complexes in the offshore Taranaki Basin.
A new study by Pitt mathematicians uses math borrowed from neuroscience to describe how swarms of synchronous fireflies coordinate their light show. The researchers found that varying distances between fireflies affects the resulting blinks, producing patterns like ripples or spirals.
Researchers have discovered a newly found protein, CTENO189, that controls the unique locomotion of comb jellies. The protein is essential for the rippling movement of their comb plates, which propels them through the water.
Researchers create algorithm VZA-COLD to reduce temporal variation in nighttime light data, enabling continuous global monitoring of human activity and behavior changes. This allows for timely detection of short-term changes, such as power outages after hurricanes or humanitarian efforts during wars.
Researchers found that people wearing masks in China were less likely to engage in deviant behavior, such as running red lights or cheating for money. Mask-wearing was associated with increased moral awareness, leading some individuals to behave more ethically.
A new study reveals that 60% of northern Fennoscandia's grazing land is exposed to multiple pressures, including forestry, tourism, and climate change. This reduces the size and quality of summer grazing areas, with only 4% remaining undisturbed.
A study of 552 older adults found that those exposed to light during sleep were significantly more likely to develop obesity, high blood pressure and diabetes. The study suggests that minimizing light exposure at night can help prevent these conditions.
Researchers tracked shark movements near Miami's city limits, finding they spent significant time near lights and sounds. This suggests sharks may be drawn to shore by land-based activities like fish carcass discarding, potentially impacting their health and survival.
New research reveals that precession played a significant role in driving Northern Hemisphere ice age cycles during the early Pleistocene period. The study suggests that more intense summers caused by precession led to melting of ice sheets, but with less devastating effects before 1 million years ago.
A new study in Northern Sweden found that methane emissions from thawing permafrost can be reduced by a factor of 10 due to changes in hydrology, plant community, and microorganisms. As permafrost thaws, new plant species adapt to drier soil conditions, reducing methane transport and allowing bacteria to break it down.
Researchers found that over 99.6% of caught scallops were in pots with lights, and video footage shows the shellfish piling into the pots. This novel method could be a game-changer for sustainable seafood production and reduce environmental impact.
Researchers revived photoreceptor cells in human macula, responding to bright and dim lights. The study restores communication between retinal cells, transforming brain and vision research.
A new framework for classifying content and trigger warnings has been developed based on analysis of 32 countries and 10 different sectors. The framework categorizes warnings by theme (e.g. violence, language) and media type.
Scientists at DGIST have developed a flexible, stretchable material that lights up brightly when stretched or subjected to an electric field. The new material overcomes design issues in existing devices, offering improved luminescence and potential applications in interactive skin displays and soft robotics.
Researchers at Hiroshima University have created the world's first silicon quantum dot (QD) LED light using waste rice husks, offering an eco-friendly alternative to toxic semiconducting materials. The new method transforms agricultural waste into high-quality LED lights with high luminescence efficiency and low environmental impact.
Researchers have discovered that UV-LED lights can inactivate coronaviruses and HIV within seconds, making them a promising tool for disinfecting public spaces. The study found that repeated exposure to UV light is key to catching virus particles, and the lights are easy to retrofit into existing fixtures.
Researchers have successfully created artificial egg cells from northern white rhino stem cells using induced pluripotent stem (iPS) cells. This breakthrough brings the team closer to achieving their goal of creating artificially generated rhino oocytes, a crucial step towards saving the subspecies from extinction.
A new study reveals a significant shift in the Northern Hemisphere jet stream position, increasing by up to 330 km and speed by 8% during 1871-2011. This shift is linked to warming Arctic winters and decreased temperature gradients, with implications for climate predictions and storm activity.
A Northern Virginia regional consortium will develop and deliver evidence-based trauma treatments for PTSD and associated conditions. The training aims to meet the growing mental health needs in the region.
Researchers discovered a complex relationship between Jupiter's magnetic field, volcanic activity on its moon Io, and the planet's powerful aurorae. The study revealed an electromagnetic 'tug-of-war' lights up aurorae in Jupiter's upper atmosphere.
A new internet-connected lighting system for greenhouses can optimize lighting and reduce electrical costs by up to 33% by predicting sunlight. The system uses sensors and algorithms to adjust light levels, making the most of natural sunlight and minimizing energy waste.
Researchers found that lighted gillnets reduced total fisheries bycatch by 63% and specifically bycatch of sharks, skates, and rays by 95%. The technology also reduced the time it took fishers to retrieve and disentangle nets by 57%, making fishing more efficient.
The project aims to decorate DNA sequences with colourful nano-lights to enable faster read/write processes and novel data encoding concepts. By using unique recognition capabilities of single DNA strands, the consortium plans to develop novel nanomaterials, algorithms, and reader devices for efficient data storage.
Researchers have identified the source of mysterious STEVE light emissions as a narrow region in the magnetosphere, driven by strong waves and particle acceleration. The findings suggest that the ionosphere and magnetosphere may be coupled at lower latitudes, transporting vast quantities of energy and momentum.
Researchers at University of South Australia are developing a world-first product to design traffic lights that absorb kinetic energy, stopping them from crumpling when hit by a vehicle. The technology has the potential to reduce road safety-related costs and injuries worldwide.
Researchers identified brain cells called angular head velocity (AHV) cells that track head motion speed, which improves estimation of own head angular speed when visual cues are available. This study sheds light on the neural mechanisms underlying navigation and self-motion guidance in the brain.
Researchers reviewed the progress of Single-Emissive Layer White Light Emitting Diodes (SEL-WLEDs), highlighting their advantages in low cost, simple process, and material stability. The study proposes perovskite materials as a feasible path to commercialization.
Scientists developed a fluorescent spray that specifically targets and illuminates cancerous tissue, enabling precise tumor detection and removal during surgery. The innovative approach offers a solution to the challenge of distinguishing between healthy tissue and cancerous cells.
A study by University of British Columbia researchers reveals that southern resident killer whales have access to four to six times more Chinook salmon in the Salish Sea than northern residents. This challenges the common notion of a prey shortage for southern residents during summer feeding grounds.
The new system, using over-current driven LED lights, improves image brightness and color consistency, reducing motion blur and variability caused by sunlight. The prototype showed an average decrease of 85% in standard deviation for hue-saturation-value channels compared to auto-exposure settings.
Research by Prof. Lifang Sheng and team reveals the northward movement of Intertropical Convergence Zone (ITCZ) causes heavy autumn rainfall in the northern South China Sea. The ITCZ's shift north is triggered by abnormal equatorial easterlies, which strengthen during La Niña years.
A simple stock assessment model applied to 500 years of catch data shows that northern Atlantic cod biomass is currently around 2% of its earlier level. Annual catches could have been sustained at around 200,000 tonnes if authorities had allowed rebuilding in the 1980s.
A new study found that LED streetlights have a detrimental impact on local insect populations, with moth caterpillar numbers being 52% lower under LED lighting than in unlit areas. The study suggests that this is due to female moths laying fewer eggs in habitats illuminated by streetlights.
Researchers found that electron precipitation from northern lights causes local ozone layer depletions in the mesosphere, potentially impacting climate. The study provides insight into this phenomenon, known as pulsating aurorae, and highlights its significance for global climate change.
Fionnuala Lundy, an Associate Professor at Queen's University Belfast, has received the IADR Distinguished Scientist Award for her groundbreaking research on naturally-occurring antimicrobial peptides. Her work focuses on oral/dental stem cells, pulp regeneration and various oral diseases.
Research from University of Exeter found that light pollution impacts moths' ability to see flower colours, while birds' vision is improved by artificial lighting. The study highlights the need for a nuanced approach to lighting, especially for nocturnal species like moths.
A new study presents a high-efficiency battery system that can be charged using indoor lighting, showcasing an overall energy efficiency of 13.2%. The research team developed a novel electrode material that significantly enhances charging efficiency under dim light conditions.
A new study found that darkening even some windows at night during bird migration periods could reduce bird collisions by 60%. Researchers analyzed data from McCormick Place convention center and found that half of the building's windows being illuminated resulted in 11 times fewer nighttime bird collisions during spring migration.