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Top Science News

December 2, 2023
Twin Research Indicates That a Vegan Diet Improves Cardiovascular Health
Nov. 30, 2023 — A recent trial of identical twins comparing vegan and omnivore diets found that a vegan diet improves overall cardiovascular ...
Brittle Stars Can Learn Just Fine -- Even Without a Brain
Nov. 29, 2023 — We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. These shy marine creatures have no brain to speak of -- ...
An Astronomical Waltz Reveals a Sextuplet of Planets
Nov. 29, 2023 — Astronomers have found a key new system of six transiting planets orbiting a bright star in a harmonic rhythm. This rare property enabled the team to determine the planetary orbits which initially appeared as an unsolvable ...
Astronomers Discover Disc Around Star in Another Galaxy
Nov. 29, 2023 — In a remarkable discovery, astronomers have found a disc around a young star in the Large Magellanic Cloud, a galaxy neighboring ours. It's the first time such a disc, identical to those forming planets in our own Milky Way, has ever been found ...
Latest Top Headlines
updated 1:16pm EST
Human Behavior Guided by Fast Changes in Dopamine Levels
Dec. 1, 2023 — A new study shows that dopamine release in the human brain plays a crucial role in encoding both reward and punishment prediction errors. This means that dopamine is involved in the process of learning from both positive and negative experiences, allowing the brain to adjust and adapt its behavior based on the outcomes of these ...
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Scientists Build Tiny Biological Robots from Human Cells
Nov. 30, 2023 — Scientists have created tiny moving biological robots from human tracheal cells that can encourage the growth of neurons across artificial 'wounds' in the lab. Using patients' own cells could permit growth of Anthrobots that assist healing and regeneration in the future with no nead for immune ...
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Lost Brain Function Restored in Mice After Stroke
Nov. 30, 2023 — Researchers have succeeded in restoring lost brain function in mouse models of stroke using small molecules that in the future could potentially be developed into a stroke recovery ...
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Soccer Heading Linked to Measurable Decline in Brain Function
Nov. 29, 2023 — New research links soccer heading -- where players hit the ball with their head -- to a measurable decline in the microstructure and function of the brain over a two-year ...
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A New Possible Explanation for the Hubble Tension
Dec. 1, 2023 — The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values. This so-called 'Hubble tension' poses a puzzle for cosmologists. Researchers are now proposing a new solution: Using an alternative theory of gravity, the discrepancy in ...
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One of the Largest Magnetic Storms in History Quantified: Aurorae Covered Much of the Night Sky from the Tropics to the Polar Regions
Dec. 1, 2023 — An international multidisciplinary team consisting of solar physicists, geophysicists, and historians from nine countries analysed observations of an extreme solar-terrestrial storm reported in historical records from February 1872. Their findings confirm that a moderate sunspot group triggered one of the largest magnetic storms ever recorded, ...
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Meteorites Likely Source of Nitrogen for Early Earth
Dec. 1, 2023 — Micrometeorites originating from icy celestial bodies in the outer Solar System may be responsible for transporting nitrogen to the near-Earth region in the early days of our solar ...
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Discovery of Planet Too Big for Its Sun Throws Off Solar System Formation Models
Nov. 30, 2023 — The discovery of a planet that is far too massive for its sun is calling into question what was previously understood about the formation of planets and their solar ...
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'Bone Biographies' Reveal Lives of Medieval England's Common People -- And Illuminate Early Benefits System
Dec. 1, 2023 — Researchers give medieval Cambridge residents the 'Richard III treatment' to reveal hard-knock lives of those in the city during its famous university's early years. Study of over 400 remains from a hospital cemetery shows spectrum of medieval poverty, and suggests that some of Cambridge University's earliest scholars ended up in penury. ...
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Genomic Study Sheds Light on How Carnivorous Asian Pitcher Plants Acquired Signature Insect Trap
Nov. 30, 2023 — Scientists sequenced the genome of the East Asian pitcher plant, Nepenthes gracilis, a species of carnivorous plant related to Venus flytraps, as well as sundews, beets and ...
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A Mixed Origin Made Maize Successful
Nov. 30, 2023 — Maize is one of the world's most widely grown crops. It is used for both human and animal foods and holds great cultural significance, especially for indigenous peoples in the Americas. Yet despite its importance, the origins of the grain have been hotly debated for more than a century. Now new research shows that all modern maize descends from a hybrid created just over 5000 years ago in central ...
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Inoculation Against Diseased Fields
Nov. 30, 2023 — Farmland often harbors a multitude of pathogens which attack plants and reduce yields. A research team has now shown that inoculating the soil with mycorrhizal fungi can help maintain or even improve yields without the use of additional fertilizers or pesticides. In a large-scale field trial, plant yield increased by up to 40 ...
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Health News
December 2, 2023
From the First Bite, Our Sense of Taste Helps Pace Our Eating
Nov. 22, 2023 — When you eagerly dig into a long-awaited dinner, signals from your stomach to your brain keep you from eating so much you'll regret it -- or so it's been ...
US Men Die 6 Years Before Women, as Life Expectancy Gap Widens
Nov. 14, 2023 — We've known for more than a century that women outlive men. But new research shows that, at least in the United States, the gap has been widening for more than a ...
AI Faces Look More Real Than Actual Human Face
Nov. 13, 2023 — White faces generated by artificial intelligence (AI) now appear more real than human faces, according to new research. In the study, more people thought AI-generated white faces were human than the faces of real people. The same wasn't true for ...
Any Activity Is Better for Your Heart Than Sitting -- Even Sleeping
Nov. 9, 2023 — Replacing sitting with as little as a few minutes of moderate exercise a day tangibly improves heart health, according to new ...
Latest Health Headlines
updated 1:16pm EST
How Does Neonatal Listeriosis Impact Children's Health?
Dec. 1, 2023 — Maternal-fetal listeriosis is a severe disease that can lead to miscarriage, premature birth or serious neonatal infection. But what are the long-term consequences of neonatal listeriosis on the health of surviving infants? A team of scientists and physicians monitored the development of children infected with the bacterium Listeria monocytogenes up to the age of 5, and compared their development ...
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Can Preeclampsia Be Prevented?
Dec. 1, 2023 — Preeclampsia is a mysterious condition that occurs in about one of 10 pregnancies without any early warning signs. After 20 weeks or more of normal blood pressure during the pregnancy, patients with preeclampsia will begin to experience elevated blood pressure and may also have increased levels of protein in their urine due to hypertension reducing the filtering power of the kidneys. Prolonged ...
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Pathogens Use Force to Breach Immune Defenses, Study Finds
Dec. 1, 2023 — New research has revealed a previously unknown process through which pathogens are able to defeat a cell's defense mechanisms with physical force. The discovery represents a potential game-changer in the fight against intracellular pathogens, which cause infectious diseases such as tuberculosis, malaria and ...
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How Pre And Postnatal B-12 Vitamins Improve Breast Milk Vitamin B-12 Levels, Which Supports Infant Brain Development
Dec. 1, 2023 — According to a new study B-12 vitamins increase the presence of the micronutrient in mothers' breast milk, which is especially helpful in countries where it can be difficult to eat what is needed for the body to produce B-12 ...
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Brainstorming With a Bot
Dec. 1, 2023 — Electronic nanomaterials experts have imagined how recent advances in artificial intelligence (AI) and machine learning (ML) could aid scientific brainstorming and ideation. To accomplish this, they have developed a chatbot with knowledge in the kinds of science he's been engaged ...
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To Help Autonomous Vehicles Make Moral Decisions, Researchers Ditch the 'Trolley Problem'
Dec. 1, 2023 — Researchers have developed a new experiment to better understand what people view as moral and immoral decisions related to driving vehicles, with the goal of collecting data to train autonomous vehicles how to make 'good' decisions. The work is designed to capture a more realistic array of moral challenges in traffic than the widely discussed ...
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Scientists Use A.I.-Generated Images to Map Visual Functions in the Brain
Nov. 30, 2023 — Researchers have demonstrated the use of AI-selected natural images and AI-generated synthetic images as neuroscientific tools for probing the visual processing areas of the brain. The goal is to apply a data-driven approach to understand how vision is organized while potentially removing biases that may arise when looking at responses to a more limited set of researcher-selected ...
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Despite Pressures Facing Young Families, Parents Take Precious Moments to Play With Their Babies
Nov. 30, 2023 — Four in five primary caregivers of nine-month-old babies reported cuddling, talking and playing with their little one several times a day, in the first national long-term study of babies in over two ...
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Researchers Have Taught an Algorithm to 'Taste'
Dec. 1, 2023 — Incorporating human tastes into artificial intelligence makes it easier for wine buyers thirsting for the right wine. Researchers have shown that AI can accurately predict individual wine preferences. The researchers expect that nourishing machines with human sensory experiences will continue to ...
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Parental Engagement Positively Associated With Safer Driving Among Young People, UGR Study Finds
Nov. 30, 2023 — The results show that while close supervision may be linked to increased anxiety when driving, it is also associated with a more cautious attitude behind the ...
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Unsafe Lead Levels in School Drinking Water: New Study IDs Building Risk Factors
Nov. 30, 2023 — Civil and environmental engineers have determined the factors that may help identify the schools and daycare centers at greatest risk for elevated levels of lead in drinking water. The most telling characteristic for schools in Massachusetts is building age, with facilities built in the 1960s and 1970s -- nearly a third of the facilities tested ...
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What Makes Sustainable Consumption So Difficult
Nov. 30, 2023 — When it comes to self-discipline, psychological research traditionally focuses on individual responsibility. Some researchers believe this is too short-sighted. Self-discipline doesn't work without effective ...
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Physical/Tech News
December 2, 2023
Telescope Array Detects Second Highest-Energy Cosmic Ray Ever
Nov. 23, 2023 — In 1991, an experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My-God particle, the cosmic ray’s energy shocked astrophysicists. Nothing in our galaxy had the power to produce it, and the particle had more energy ...
AI System Self-Organizes to Develop Features of Brains of Complex Organisms
Nov. 20, 2023 — Scientists have shown that placing physical constraints on an artificially-intelligent system -- in much the same way that the human brain has to develop and operate within physical and biological constraints -- allows it to develop features of the ...
Dwarf Galaxies Use 10-Million-Year Quiet Period to Churn out Stars
Nov. 21, 2023 — If you look at massive galaxies teeming with stars, you might be forgiven in thinking they are star factories, churning out brilliant balls of gas. But actually, less evolved dwarf galaxies have bigger regions of star factories, with higher rates of ...
NASA's Webb Reveals New Features in Heart of Milky Way
Nov. 21, 2023 — The latest image from NASA's James Webb Space Telescope shows a portion of the dense center of our galaxy in unprecedented detail, including never-before-seen features astronomers have yet to explain. The star-forming region, named Sagittarius C ...
Latest Physical/Tech Headlines
updated 1:16pm EST
A Color-Based Sensor to Emulate Skin's Sensitivity
Dec. 1, 2023 — In a step toward more autonomous soft robots and wearable technologies, researchers have created a device that uses color to simultaneously sense multiple mechanical and temperature ...
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Photonic Chip That 'Fits Together Like Lego' Opens Door to Semiconductor Industry
Dec. 1, 2023 — A new semiconductor architecture integrates traditional electronics with photonic, or light, components could have application in advanced radar, satellites, wireless networks and 6G telecommunications. And it provides a pathway for a local semiconductor ...
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Smart Microgrids Can Restore Power More Efficiently and Reliably in an Outage
Nov. 30, 2023 — A new AI model that optimizes the use of renewables and other energy sources outperforms traditional power restoration techniques for islanded microgrids, a new paper ...
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Researchers Develop Novel Deep Learning-Based Detection System for Autonomous Vehicles
Nov. 30, 2023 — Autonomous vehicles require object detection systems to navigate traffic and avoid obstacles on the road. However, current detection methods often suffer from diminished detection capabilities due to bad weather, unstructured roads, or occlusion. Now, a team of researchers has developed a novel Internet-of-Things-enabled deep learning-based ...
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Rocky Planets Can Form in Extreme Environments
Nov. 30, 2023 — Astronomers have provided the first observation of water and other molecules in the highly irradiated inner, rocky-planet-forming regions of a disk in one of the most extreme environments in our galaxy. These results suggest that the conditions for terrestrial planet formation can occur in a possible broader range of environments than previously ...
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New Astrophysics Model Sheds Light on Additional Source of Long Gamma-Ray Bursts
Nov. 29, 2023 — Cutting-edge computer simulations combined with theoretical calculations are helping astronomers better understand the origin of some of the universe's most energetic and mysterious light shows -- gamma-ray bursts, or GRBs. The new unified model confirms that some long-lasting GRBs are created in the aftermath of cosmic mergers that spawn an ...
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Building Blocks for Life Could Have Formed Near New Stars and Planets
Nov. 29, 2023 — While life on Earth is relatively new, geologically speaking, the ingredients that combined to form it might be much older than once thought. The simplest amino acid, carbamic acid, could have formed alongside stars or planets within interstellar ices. The findings could be used to train deep space instruments like the James Webb Space Telescope to search for prebiotic molecules in distant, ...
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Composition of Asteroid Phaethon
Nov. 28, 2023 — Asteroid Phaethon, which is five kilometers in diameter, has been puzzling researchers for a long time. A comet-like tail is visible for a few days when the asteroid passes closest to the Sun during its orbit. However, the tails of comets are usually formed by vaporizing ice and carbon dioxide, which cannot explain this tail. The tail should be visible at Jupiter's distance from the ...
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2D Material Reshapes 3D Electronics for AI Hardware
Nov. 30, 2023 — Researchers demonstrated monolithic 3D integration of layered 2D material into novel processing hardware for artificial intelligence computing. The new approach provides a material-level solution for fully integrating many functions into a single, small electronic chip -- and paves the way for advanced AI ...
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Straining Memory Leads to New Computing Possibilities
Nov. 30, 2023 — A team of researchers developed a new form of computing memory that is fast, dense, and low-power by strategically straining materials that are as thin as a single layer of ...
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Researchers Show an Old Law Still Holds for Quirky Quantum Materials
Nov. 30, 2023 — Long before researchers discovered the electron and its role in generating electrical current, they knew about electricity and were exploring its potential. One thing they learned early on was that metals were great conductors of both electricity and heat. And in 1853, two scientists showed that those two admirable properties of metals were somehow related: At any given temperature, the ratio of ...
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What Was Thought of as Noise, Points to New Type of Ultrafast Magnetic Switching
Nov. 29, 2023 — Researchers discover a new type of ultrafast magnetic switching by investigating fluctuations that normally tend to interfere with experiments as ...
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Environment News
December 2, 2023
Neanderthals Were the World's First Artists, Research Reveals
Nov. 21, 2023 — Recent research has shown that engravings in a cave in La Roche-Cotard (France), which has been sealed for thousands of years, were actually made by Neanderthals. The findings reveal that the Neanderthals were the first humans with an appreciation ...
Evolution of Taste: Early Sharks Were Able to Perceive Bitter Substances
Nov. 13, 2023 — New genetic data show that humans and sharks share bitter taste receptors, even though their evolutionary pathways separated nearly 500 million years ...
'Cooling Glass' Blasts Building Heat Into Space
Nov. 13, 2023 — Researchers aiming to combat rising global temperatures have developed a new 'cooling glass' that can turn down the heat indoors without electricity by drawing on the cold depths of space. The new technology, a microporous glass coating, can lower ...
Found at Last: Bizarre, Egg-Laying Mammal Finally Rediscovered After 60 Years
Nov. 9, 2023 — A long-beaked echidna named after Sir David Attenborough and last seen by scientists in 1961 has been photographed for the first time in an Indonesian tropical forest. An international team of ...
Latest Environment Headlines
updated 1:16pm EST
Unlocking the Secret Strength of Marine Mussels
Dec. 1, 2023 — How do you create strong, yet quick-release connections between living and non-living tissues? This is a question that continues to puzzle bioengineers who aim to create materials that bond together for advanced biomedical applications. Looking to nature for inspiration, this research zeroed in on the marine mussel byssus, a fibrous holdfast, which these bivalve mollusks use to anchor themselves ...
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Harnessing the Power of a Parasite That Can Stop Pain
Nov. 30, 2023 — For the first time, scientists have begun to figure out why the disfiguring skin lesions caused by cutaneous leishmaniasis don't ...
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Study Identifies Key Algae Species Helping Soft Corals Survive Warming Oceans
Nov. 30, 2023 — During a two-year survey of soft corals in the Florida Keys,  scientists identified three species of octocorals that have survived heat waves. While the coral animal itself may be heat tolerant, scientists concluded that the symbiotic algae inside the coral serve as a protector of ...
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Snake Skulls Show How Species Adapt to Prey
Nov. 30, 2023 — By studying the skull shapes of dipsadine snakes, researchers have found how these species of snakes in Central and South America have evolved and adapted to meet the demands of their habitats and food ...
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Consensus Needed on When Global Warming Reaches 1.5°C
Dec. 1, 2023 — A team of scientists has emphasized that -- surprisingly -- there is currently no formally agreed way of defining the current level of global warming relevant to the Paris ...
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New Research Explores Future Limits of Survival and Livability in Extreme Heat Conditions
Nov. 30, 2023 — Researchers have developed a new modeling approach to assess the likelihood of human survivability and liveability during exposure to extreme heat. The new model can be applied in any climate regime and customized with populations that have potential co-morbidities. The approach integrates well-established principles from thermal physiology ...
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Sea Fireflies Synchronize Their Sparkle to Seek Soulmates
Nov. 30, 2023 — In sea fireflies' underwater ballet, the males sway together in perfect, illuminated synchronization, basking in the glow of their secreted iridescent ...
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Illuminating the Benefits of Marine Protected Areas for Ecotourism, and Vice Versa
Nov. 30, 2023 — As California, the U.S. and the world work to make good on commitments to conserve 30% of oceans and lands by 2030, all strategies are on the table -- and under the microscope. When it comes to the ocean, one valuable tool is marine protected areas (MPAs), regions that are defined, designated and managed for long-term conservation. Among other ...
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Decoding Past Climates Through Dripstones
Nov. 30, 2023 — A recent study demonstrates how dripstones can be crucial for reconstructing past climates. The new approach can provide a detailed picture of the climate around early human occupations in South ...
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Antarctica's Ancient Ice Sheets Foreshadow Dynamic Changes in Earth's Future
Nov. 30, 2023 — Identifying how and why Antarctica's major ice sheets behaved the way they did in the early Miocene could help inform understanding of the sheets' behavior under a warming climate. Together, the ice sheets lock a volume of water equivalent to more than 50 meters of sea level rise and influence ocean currents that affect marine food webs and ...
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600 Years of Tree Rings Reveal Climate Risks in California
Nov. 29, 2023 — The San Joaquin Valley in California has experienced vast variability in climate extremes, with droughts and floods that were more severe and lasted longer than what has been seen in the modern record, according to a new study of 600 years of tree rings from the ...
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Landscape Dynamics Determine the Evolution of Biodiversity on Earth
Nov. 29, 2023 — A landmark study into the geological timescale distribution of sediment and nutrients over 500 million years shows that species biodiversity on Earth is driven by landscape ...
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Society/Education News
December 2, 2023
Humans Are Disrupting Natural 'Salt Cycle' on a Global Scale, New Study Shows
Oct. 31, 2023 — A new paper revealed that human activities are making Earth's air, soil and freshwater saltier, which could pose an 'existential threat' if current trends continue. Geologic and hydrologic processes ...
Window to Avoid 1.5°C of Warming Will Close Before 2030 If Emissions Are Not Reduced
Oct. 30, 2023 — Without rapid carbon dioxide emission reductions, the world has a 50% chance of locking in 1.5°C of warming before ...
Increased West Antarctic Ice Sheet Melting 'Unavoidable'
Oct. 23, 2023 — The West Antarctic Ice Sheet will continue to increase its rate of melting over the rest of the century, no matter how much we reduce fossil fuel use, according to new research. A substantial acceleration in ice melting likely cannot now be avoided, ...
Climate-Driven Extreme Heat May Make Parts of Earth Too Hot for Humans
Oct. 9, 2023 — If global temperatures increase by 1 degree Celsius (C) or more than current levels, each year billions of people will be exposed to heat and humidity so extreme they will be unable to naturally cool themselves, according to interdisciplinary ...
Latest Society/Education Headlines
updated 1:16pm EST
Phasing out Fossil Fuels Could Save Millions of Lives
Nov. 30, 2023 — Scientists provide new evidence to motivate rapid fossil fuel phaseout. The science team determined exposure to ambient air pollution and its health impacts using an updated atmospheric composition model, a newly developed relative risk model and recent satellite-based fine particle data. They estimated all-cause and disease-specific mortality and attributed them to emission categories. They show ...
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Money to Burn: Wealthy, White Neighborhoods Losing Their Heat Shields
Nov. 30, 2023 — White, wealthy neighborhoods in the LA area -- and likely around the world -- are about to start feeling the same heat that has plagued poorer, Hispanic neighborhoods for generations. A new study shows the protective effect of income has largely eroded over the past 40 years, as landscape plants can't keep up with the pace of climate ...
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Climate: Why Disinformation Is So Persistent
Nov. 30, 2023 — Melting of glaciers, rising sea levels, extreme heat waves: the consequences of climate change are more visible than ever, and the scientific community has confirmed that humans are responsible. Yet studies show that a third of the population still doubts or disputes these facts. The cause is disinformation spread by certain vested interests. To try and prevent this phenomenon, a team has ...
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Scientists Create Framework to Guide Development and Assessment of Urban Climate Action Plans
Nov. 29, 2023 — With the world projected to be highly urbanized by 2050, cities are encouraged to take urgent climate actions to mitigate and adapt to the threats of climate change. As climate change intensifies and urbanization increases rapidly, local governments are expected now more than ever to lead climate action planning. However, studies show the ...
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Psychological Science Can Help Counter Spread of Misinformation
Nov. 29, 2023 — Debunking, 'prebunking,' nudging and teaching digital literacy are several of the more effective ways to counter misinformation, according to a new ...
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Creativity in the Age of Generative AI: A New Era of Creative Partnerships
Nov. 20, 2023 — Generative AI (e.g., ChatGPT) has propelled AI into the mainstream, raising concerns about job displacement and creative work. Experts now emphasize a need to focus on 'co-creativity,' the human-AI interaction instead. Extensive research is needed for comprehending co-creativity which is crucial for the future development of ...
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How to Stay on Task
Nov. 28, 2023 — Our ability to pay attention to tasks—a key component of our everyday lives—is heavily influenced by factors like motivation, arousal and alertness. Maintaining focus can be especially challenging when the task is boring or ...
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Kids Who Feel Their Parents Are Less Reliable Take Fewer Risks Vital to Learning and Growth
Nov. 27, 2023 — The researchers studied decisions that more than 150 children ages 10 to 13 made while playing games that offered opportunities to risk a little and explore for potential ...
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Remote Collaborations Deliver Fewer Scientific Breakthroughs
Nov. 29, 2023 — Remote teams are less likely to make breakthrough discoveries compared to those who work onsite, according to new research. The researchers' key finding was that, while remote collaboration has the potential to deliver new and creative scientific ideas through easier access to a global knowledge pool, it is harder for such teams to integrate effectively to deliver ...
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Exhaustion Caused by Video Conferencing Demonstrated on a Neurophysiological Level
Nov. 13, 2023 — Using EEG and ECG data, researchers were able to demonstrate that video conferences and online education formats lead to greater fatigue than face-to-face ...
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Contrary to Common Belief, Artificial Intelligence Will Not Put You out of Work
Nov. 2, 2023 — New research is providing insights for business leaders on how work experience affects employees interacting with ...
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Power of the Pictogram: Researcher Finds That Sorted Graphics Make Consumers Feel Optimistic
Oct. 31, 2023 — Sometimes, how the information is presented is as important as the information itself. Graphics, icons, and pictograms are increasingly popular methods of presenting information to consumers in direct, memorable, and easily understandable ...
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